Step 2 CS Flashcards

0
Q

Likely dx?

21 y.o F presents w/ multiple episodes of L throbbing temporal pain lasting for 2-3 hrs. Prior to onset, she sees flashes of light in her R visual field and feels weakness and nubness on R side of body for few minutes. H/As associated w. nausea & vomiting. Has fam hx of migraines

A

Migraine (complicated)

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1
Q

Ddx?

Likely dx?

21 y.o F presents w/ multiple episodes of L throbbing temporal pain lasting for 2-3 hrs. Prior to onset, she sees flashes of light in her R visual field and feels weakness and nubness on R side of body for few minutes. H/As associated w. nausea & vomiting. Has fam hx of migraines

A
*Migraines (complicated) *
Tension headache
Cluster headache
Pseudotumor cerebri
Trigeminal neuralgia
CNS vasculitis
Partial seizure
Intracranial neoplasm
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2
Q

Migraine (complicated)

Workup?

A
CBC
ESR
CT-head
MRI-brain
LP
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3
Q

Likely dx?
26 y.o M presents with severe R temporal h/a associated with ipsilateral rhinorrhea, eye tearing, and redness. Episodes have occurred at the same time at night for past week and last for 45 minutes.

A

Cluster headache

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4
Q

Ddx?

26 y.o M presents with severe R temporal h/a associated with ipsilateral rhinorrhea, eye tearing, and redness. Episodes have occurred at the same time at night for past week and last for 45 minutes.

A
*Cluster headache*
Migraine
Tension headache
Sinusitis
Pseudotumor cerebri
Trigeminal neuralgia
Intracranial neoplasm
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5
Q

Cluster headache – workup?

A
CBC
ESR
CT-head
MRI-brain
LP
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6
Q

Likely dx?

65 y.o F presents with severe, intermittent R temporal h/a, fever, blurred vision in her R eye and pain in her jaw when chewing.

A

Temporal arteritis (giant cell arteritis)

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7
Q

Ddx?

26 y.o M presents with severe R temporal h/a associated with ipsilateral rhinorrhea, eye tearing, and redness. Episodes have occurred at the same time at night for past week and last for 45 minutes.

A
*Temporal arteritis*
Migraine
Cluster headache
Tension headache
Meningitis
Carotid artery dissection
Pseudotumor cerebri
Trigeminal neuralgia
Intracranial neoplasm
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8
Q

Temporal arteritis – workup?

A
CBC
ESR
CRP
Temporal artery biopsy
Doppler U/S - carotid
MRI-brain
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9
Q

Likely dx?

30 y.o F presents with frontal headache, fever, and nasal discharge. There is pain on palpation of frontal and maxillary sinuses. She has a hx of sinusitis.

A

Sinusitis

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10
Q

Ddx?

30 y.o F presents with frontal headache, fever, and nasal discharge. There is pain on palpation of the frontal and maxillary sinuses. She has a history of sinusitis.

A
*Sinusitis*
Migraine
Tension headache
Meningitis
Intracranial neoplasm
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11
Q

Sinusitis - work up?

A

CBC
XR-sinus
CT-sinus
LP

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12
Q

Likely dx?

50 y.o F presents with recurrent episodes of b/l squeezing headaches that occur 3-4 times a week, typically toward the end of her workday. She is experiencing significant stress in her life.

A

Tension headache

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13
Q

Ddx?

50 y.o F presents with recurrent episodes of b/l squeezing headaches that occur 3-4 times a week, typically toward the end of her workday. She is experiencing significant stress in her life.

A
*Tension headache*
Migraine
Depression
Caffeine or analgesic withdrawal
Hypertension
Cluster headache
Pseudotumor cerebri
Intracranial neoplasm
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14
Q

Tension headache - workup?

A
CBC
Electrolytes
ESR
CT-head
LP
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15
Q

Likely dx?

35 y.o M presents with sudden severe headache, vomitign, confusion, left hemiplegia, and nuchal rigidity.

A

Subarachnoid hemorrhage

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16
Q

Ddx?

35 y.o M presents with sudden severe headache, vomitign, confusion, left hemiplegia, and nuchal rigidity.

A
*Subarachnoid hemorrhage*
Migraine
Meningitis/encephalitis
Intracranial hemorrhage
Vertebral artery dissection
Intracranial venous thrombosis
Acute hypertension
Intracranial neoplasm
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17
Q

Subarachnoid hemorrhage - workup?

A
CT w/o contrast - head
LP
CBC
PT/PRR
MRI/MRA - brain
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18
Q

Likely dx?

25 y/o M presents with high fever, severe headache, confusion, photophobia, and nuchal rigidity. Kernig’s and Brudzinki’s signs are positive.

A
Meningitis
Migraine
Subarachnoid hemorrhage
Sinusitis/encephalitis
Intracranial or epidural abscess
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19
Q

Ddx?

25 y.o M presents with high fever, severe headache, confusion, photophobia, and nuchal rigidity. Kernig’s and Brudzinski’s signs are positive.

A
MENINGITIS
Migraine
Subarachnoid hemorrhage
Sinusitis/encephalitis
Intracranial anscess or epifural abscess.
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20
Q

Meningitis - workup?

A

CBC
CT-head
MRI-brain
LP - CST analyis (cell count, protein, glucose, Gram stain, PCR for antigens, culture)

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21
Q

Likely dx?

18 y.o obese F presents with a pulsatile headache, vomiting, and blurred vision for the past 2-4 weeks. She is taking OCPs.

A

Pseudotumor cerebri

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22
Q

Ddx?

18 y.o obese F presents with a pulsatile headache, vomiting, and blurred vision for the past 2-4 weeks. She is taking OCPs.

A
PSEUDOTUMOR CEREBRI
Tension headache
Migraine
Cluster headache
Meningitis
Intracranial venous thrombosis
Intracranial neoplasm
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23
Q

Pseudotumor cerebri - workup?

A

Urine hCG
CBC
CT-head
LP - opening pressure and CSF analysis

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24
Likely dx? 57 y/o M c/o daily pain in the R cheek over the past month. The pain is electric and stabbing in character and occurs while is shaving. Each episode lasts 2-4 minutes.
Trigeminal neuralgia
25
Ddx? 57 y/o M c/o daily pain in the R cheek over the past month. The pain is electric and stabbing in character and occurs while is shaving. Each episode lasts 2-4 minutes.
``` TRIGEMINAL NEURALGIA Tension headache Migraine Cluster headache TMJ dysfunction Intracranial hypertension ```
26
Trigeminal neuralgia - workup?
CBC ESR MRI-brain
27
Likely dx? 81 y.o M presents with progressive confusion over the past several yrs togerther w. forgetfulness and clumsiness. He has a hx of hypertension, DM, and two strokes w/ residual L hemiparesis. His mental status has clearly worsened after each stroke (stepwise decline in cognitive fxn).
Vascular (multi-infarct) dementia
28
Ddx? 81 y.o M presents with progressive confusion over the past several yrs togerther w. forgetfulness and clumsiness. He has a hx of hypertension, DM, and two strokes w/ residual L hemiparesis. His mental status has clearly worsened after each stroke (stepwise decline in cognitive fxn).
``` VASCULAR ("multi-infarct") DEMENTIA Alzheimer's disease Normal pressure hydrocephalus Chronic subdural hematoma Intracranial tumor Depression B12 depression Neurosyphillis Hypothyroidism ```
29
Vascular (multi-infarct) dementia - workup?
``` CBC VDRL/RPR Serum B12 TSH MRI-brain CT-head LP - CSF analysis (rare) ```
30
Likely dx? 84 y.o F brought by her son c/o forgetfulness (e.g. forgets phone numbers, loses her way back home) along w. difficulity performing some of her daily activities (e.g. bathing, dressing, managing money, using the phone). The problem has gradually progressed over the past few years.
Alzheimer's disease
31
Ddx? 84 y.o F brought by her son c/o forgetfulness (e.g. forgets phone numbers, loses her way back home) along w. difficulity performing some of her daily activities (e.g. bathing, dressing, managing money, using the phone). The problem has gradually progressed over the past few years.
``` ALZHEIMER'S DISEASE Vascular dementia Depression Hypothyroidism Chronic subdural hematoma Normal pressure hydrocephalus Intracranial neoplasm B12 deficiency Neurosyphillis ```
32
Alzheimer Disease - Workup? 84 y.o F brought by her son c/o forgetfulness (e.g. forgets phone numbers, loses her way back home) along w. difficulity performing some of her daily activities (e.g. bathing, dressing, managing money, using the phone). The problem has gradually progressed over the past few years.
``` CBC VDRL/RPR (neurosyphillis) Serum B12 (B12 deficiency) TSH (hypothryoidism) MRI - brain (vascular dementia) CT-head LP - CSF analysis (rare) ```
33
Likely dx? 72 y.o M presents with memory loss, gait disturbamce, and urinary incontinence for the past 6 months.
Normal pressure hydrocephalus
34
Ddx? 72 y.o M presents with memory loss, gait disturbamce, and urinary incontinence for the past 6 months
``` NORMAL PRESSURE HYDROCEPHALUS Alzheimer's disease Vascular dementia Chronic subdural hematoma Intracranial neoplasm Dpression B12 deficiency Neurosyphillis Hypothyroidism ```
35
Workup? 72 y.o M presents with memory loss, gait disturbamce, and urinary incontinence for the past 6 months
``` CT-head LP-opening pressure (NPH) Serum B12 (B12 defic.) VDRL/RPR (neurosyphillis) TSH (hypothyroidism) ```
36
Likely dx? 55 y.o M presents w/ rapidly progressive change in mental status, inability to concentrate, and memory impaiment for the past two months. His sx are associated w/ myoclonus and ataxia.
Creutzfelt-Jacob disease
37
Ddx? 55 y.o M presents w/ rapidly progressive change in mental status, inability to concentrate, and memory impaiment for the past two months. His sx are associated w/ myoclonus and ataxia.
``` CREUTZFELDT-JAKOB DISEASE Vascular dementia Lewy body dementia Wernicke's encephalopathy Normal pressure hydrocephalus Chronic subdural hematoma Intracranial neoplasm Depression Delirium B12 deficiency Neurosyphillis ```
38
Workup? 55 y.o M presents w/ rapidly progressive change in mental status, inability to concentrate, and memory impaiment for the past two months. His sx are associated w/ myoclonus and ataxia.
``` CBC, electrolytes, calcium Serum B12 - B12 deficiency VDRL/RPR - neurosyphillis MRI-brain (preferred) CT-head EEG LP-CSF analysis Brain biopsy ```
39
Likely dx? 70 y/o insulin-dependent diabetic M presents with episodes of confusion, dizziness, palpation, diaphoresis, and weakness.
Hypoglycemia
40
Ddx? 70 y.o insulin-dependent diabetic M presents w/ episodes of confusion, dizziness, palpation, diaphoresis, and weakness.
``` HYPOGLYCEMIA Transient ischemic attack Arrhythmia Delirium Angina ```
41
Workup? 55 y.o M presents w/ rapidly progressive change in mental status, inability to concentrate, and memory impaiment for the past two months. His sx are associated w/ myoclonus and ataxia.
``` Glucose CBC, electrolytes Echocardiography ECG MRI-brain Doppler U/S - carotid ```
42
Likely dx? 55 y.o F presents with gradual altered mental status and headache. Two weeks ago she slipped, hit her head on the ground, and lost consciousness for two minutes.
Subdural hemotoma
43
Ddx? 55 y.o F presents with gradual altered mental status and headache. Two wks ago she slipped, hit her head on the ground, and lost consciousness for two minutes.
SUBDURAL HEMATOMA SIADH (causing hyponatremia) Creutzfeldt-Jakob disease Intracranial neoplasm
44
Workup? 55 y.o F presents with gradual altered mental status and headache. Two wks ago she slipped, hit her head on the ground, and lost consciousness for two minutes.
Electrolytes (hyponatremia) CT-head MRI-brain LP
45
Likely dx? 68 y.o M presents with a two-month hx of cring spells, excessive sleep, poor hygiene, and a 7 kg weight loss, all following wife's death. He can't enjoy time with his grandchildren and reluctanly admits to thinking he has seen his dead wife in line at supermarker or standing in the kitchen making dinner.
Normal bereavement
46
Ddx? 68 y.o M presents with a two-month hx of cring spells, excessive sleep, poor hygiene, and a 7 kg weight loss, all following wife's death. He can't enjoy time with his grandchildren and reluctanly admits to thinking he has seen his dead wife in line at supermarker or standing in the kitchen making dinner.
``` NORMAL BEREAVEMENT Adjustment disorder w/ depressed mood Major depressive disorder w/ psychotic featurs Schizofaffective disorder Depressive disorder NOS ```
47
Workup? 68 y.o M presents with a two-month hx of crying spells, excessive sleep, poor hygiene, and a 7 kg weight loss, all following wife's death. He can't enjoy time with his grandchildren and reluctanly admits to thinking he has seen his dead wife in line at supermarker or standing in the kitchen making dinner.
``` Physical exam Mental status exam TSH (hypothyroidism) CBC Urine tox ```
48
Likely dx? 42 y.o F presents with a 4 week hx of excessive fatigue, insomnia, and anhedonia. She states that she thinks constantly about death. She has suffered five similar episodes in past, th first in her 20s, and has made 2 previous suicide attempts. She further admits to increased EtOH use in the past month.
Major depressive disorder
49
Ddx? 42 y.o F presents with a 4 week hx of excessive fatigue, insomnia, and anhedonia. She states that she thinks constantly about death. She has suffered five similar episodes in past, th first in her 20s, and has made 2 previous suicide attempts. She further admits to increased EtOH use in the past month.
MAJOR DEPRESSIVE DISORDER Substance-induced mood disorder Dysthymic disorder
50
Workup? 42 y.o F presents with a 4 week hx of excessive fatigue, insomnia, and anhedonia. She states that she thinks constantly about death. She has suffered five similar episodes in past, th first in her 20s, and has made 2 previous suicide attempts. She further admits to increased EtOH use in the past month
``` Physical exam Mental status exam Blood alcohol level TSH CBC Urine toxicology ```
51
Workup? 26 y/o F presents with a 3 kg weight loss over past 2 months, accompanied by early morning awakening, excessive guilt, and psychomotor retardation. No triggers for depressive epsde but reports several weeks of increased energy, sexual promiscuity, irresponsible spending, and racing throught approx. 6 mths before her presentation.
Bipolar I disorder
52
Ddx? 26 y/o F presents with a 3 kg weight loss over past 2 months, accompanied by early morning awakening, excessive guilt, and psychomotor retardation. No triggers for depressive epsde but reports several weeks of increased energy, sexual promiscuity, irresponsible spending, and racing throught approx. 6 mths before her presentation.
``` BIPOLAR I DISORDER Bipolar II disorder Cyclothymic disorder Major depressive disorder Schizoaffective disorder ```
53
Workup? 26 y/o F presents with a 3 kg weight loss over past 2 months, accompanied by early morning awakening, excessive guilt, and psychomotor retardation. No triggers for depressive epsde but reports several weeks of increased energy, sexual promiscuity, irresponsible spending, and racing throught approx. 6 mths before her presentation.
Physical exam Mental status exam Urine toxicology
54
Likely dx? 19 y/o M c/o receiving msgs from his TV. He reports that he didn't have many friends in HS. In college, he started to suspect his roommate of bugging the phone. In the same time frame, he stopped going to classes b/c he felt that his professors were saying horrible things about him that noone else noticed. He rarely showered or left his room and has recently been hearing a voice from his TV set telling him to "guard"against the evil empire.
Schizophrenia
55
Ddx? 19 y/o M c/o receiving msgs from his TV. He reports that he didn't have many friends in HS. In college, he started to suspect his roommate of bugging the phone. In the same time frame, he stopped going to classes b/c he felt that his professors were saying horrible things about him that noone else noticed. He rarely showered or left his room and has recently been hearing a voice from his TV set telling him to "guard"against the evil empire.
SCHIZOPHRENIA Schizoid or schizotypal personality disorder Schizophreniform disorder Psychotic disorder 2/2 to general medical condition Substance induced psychosis Depression w/ pyschotic features
56
Workup? 19 y/o M c/o receiving msgs from his TV. He reports that he didn't have many friends in HS. In college, he started to suspect his roommate of bugging the phone. In the same time frame, he stopped going to classes b/c he felt that his professors were saying horrible things about him that noone else noticed. He rarely showered or left his room and has recently been hearing a voice from his TV set telling him to "guard"against the evil empire.
``` Mental status exam Urine toxicology TSH CBC Electrolytes ```
57
Ddx? 28 y.o F c/o seeing bugs crawling on her bed over the past 2 days and reports hearing loud voices when she is alone in her room. She has never experiened sx such as these in past. Recently ingested unknown substance.
``` SUBSTANCE INDUCED PSYCHOSIS Brief psychotic disorder Schizophreniform disorder Schixpphrenia Psychotic disorder 2/2 to general medical condition ```
58
Likely dx? 28 y.o F c/o seeing bugs crawling on her bed over the past 2 days and reports hearing loud voices when she is alone in her room. She has never experiened sx such as these in past. Recently ingested unknown substance.
Substance induced psychosis
59
Workup? 28 y.o F c/o seeing bugs crawling on her bed over the past 2 days and reports hearing loud voices when she is alone in her room. She has never experiened sx such as these in past. Recently ingested unknown substance.
``` Urine toxicology Mental status exam TSH CBC Electrolytes, BUN/Cr, AST/ALT ```
60
Likely dx? 48 y.o F presents w/ a 1 week hx of auditory hallucinations, stating, " I should kill myself". She also reports 2 weeks hx of weight loss, early morning awakening, decr. motivations and overwhelming feelings of guilt.
Schizoaffective disorder.
61
Workup? 48 y.o F presents w/ a 1 week hx of auditory hallucinations, stating, " I should kill myself". She also reports 2 weeks hx of weight loss, early morning awakening, decr. motivations and overwhelming feelings of guilt.
``` Mental status exam Beck Depression Inventory TSH CBC Electrolytes ```
62
Ddx? 48 y.o F presents w/ a 1 week hx of auditory hallucinations, stating, " I should kill myself". She also reports 2 weeks hx of weight loss, early morning awakening, decr. motivations and overwhelming feelings of guilt.
``` SCHIZOAFFECTIVE DISORDER Mood disorder w/ psychotic fx Schizophrena Schizophreniform disorder Psychotic disorder 2/2/ to a general medical condition. ```
63
Likely dx? 35 y.o F presents intermittent episodes of vertigo, tinnitus, nausea, and hearing loss over the past week.
Meniere's disease
64
Ddx? 35 y.o F presents intermittent episodes of vertigo, tinnitus, nausea, and hearing loss over the past week.
``` MENIERE'S DISEASE Vestibular neuronitis Labrynthitis Benign positional vertigo Acoustic neuroma ```
65
Workup? 35 y.o F presents intermittent episodes of vertigo, tinnitus, nausea, and hearing loss over the past week.
CBC VDRL/RPR (syphillis is cause of Meniere's disease) MRI-brain
66
Likely dx? 55 y.o F c.o dizziness for the past day. She feels faint and has severe diarrhea that started 2 days ago. She takes furosemide for her hypertension.
Orthostatic hypotension 2/2 dehydration
67
Ddx? 55 y.o F c.o dizziness for the past day. She feels faint and has severe diarrhea that started 2 days ago. She takes furosemide for her hypertension.
``` ORTHOSTATIC HYPOTENSION 2/2 dehydration Vestibular neuronitis Labrynthitis Benign position vertigo Vertebrobasilar insufficiency ```
68
Workup? 55 y.o F c.o dizziness for the past day. She feels faint and has severe diarrhea that started 2 days ago. She takes furosemide for her hypertension.
Orthostatic vital signs CBC Electrolytes Stool exam (occult blood, fecal leukocytes)
69
Likely dx? 65 y.o M presents with postural dizziness and unsteadiness. He has hypertension and was started on HCT 2 days ago.
Drug induced orthostatic hypotension
70
Ddx? 65 y.o M presents with postural dizziness and unsteadiness. He has hypertension and was started on HCT 2 days ago.
``` DRUG INDUCED HYPOTENSION Vestibular neuronitis Labyrinthitis Benign positional vertigo Brain stem or cerebellar tumor Acute renal failure ```
71
Workup? 65 y.o M presents with postural dizziness and unsteadiness. He has hypertension and was started on HCT 2 days ago.
``` Orthostatic vital signs CBC Electrolytes BUN/Cr MRI-brain ```
72
Likely dx? 44 y.o. F c/o dizziness on moving her head to the left. She feels that the room is spinning around her head. Tilt test results in nystagmus and nausea.
Benign positional vertigo
73
Ddx? 44 y.o. F c/o dizziness on moving her head to the left. She feels that the room is spinning around her head. Tilt test results in nystagmus and nausea.
BENIGN POSITIONAL VERTIGO Vestibular neuronitis Labyrinthitis Meniere's disease
74
Workup? 44 y.o. F c/o dizziness on moving her head to the left. She feels that the room is spinning around her head. Tilt test results in nystagmus and nausea.
MRI-brain | Audiogram
75
Likely dx? 55 y.o, F c/o dizziness that started this morning. She is nauseated and has vomited once in the past day. She had a URI 2 days ago and has experienced no hearing loss.
Vestibular neuronitis
76
Ddx? 55 y.o, F c/o dizziness that started this morning. She is nauseated and has vomited once in the past day. She had a URI 2 days ago and has experienced no hearing loss.
``` VESTIBULAR NEURONITIS Labyrinthitis Meniere's disease Benign positional vertigo Vertigo associated w/ cervical spine disease/injury Vertebrobasilar insufficiency ```
77
Workup? 55 y.o, F c/o dizziness that started this morning. She is nauseated and has vomited once in the past day. She had a URI 2 days ago and has experienced no hearing loss.
CBC Electrolytes Electronystagmography MRI/MRA-brain
78
Likely dx? 55 yo F c/o dizziness that started this morning and of "not hearing" well. She feels nauseated and has vomited once in the past day. She had a URI 2 days ago.
Labyrinthitis
79
Ddx? 55 y.o, F c/o dizziness that started this morning. She is nauseated and has vomited once in the past day. She had a URI 2 days ago and has experienced no hearing loss.
``` LABYRINTHITIS Vestibular neuronitis Meniere's disease Acoustic neuroma Vertebrobasilar insufficiency ```
80
Workup? 55 yo F c/o dizziness that started this morning. She is nauseated and has vomited once in the past day. She had a URI 2 days ago and has experienced no hearing loss.
Audiogram Electronystagmography MRI/MRA-brain
81
Likely dx? 26 yo M presents after falling and losing consciousness at work. He had rhythmic movements of the limbs, bit his tongue, and lost control of his bladder. He was subsequently confused (as witnessed by his colleagues)
Seizure, grand mal -- complex tonic-clonic seizure
82
Ddx? 26 yo M presents after falling and losing consciousness at work. He had rhythmic movements of the limbs, bit his tongue, and lost control of his bladder. He was subsequently confused (as witnessed by his colleagues).
``` Complex tonic-clonic seizure Convulsive syncope Substance abuse/overdose Malingering Hypoglycemia ```
83
Workup? 26 yo M presents after falling and losing consciousness at work. He had rhythmic movements of the limbs, bit his tongue, and lost control of his bladder. He was subsequently confused (as witnessed by his colleagues)
``` CBC, electrolytes, glucose Urine toxicology EEG MRI-brain CT-head LP-CSF analysis ECG ```
84
Likely dx? 55 yo c/o falling after feeling dizzy and unsteady. He experienced transient LOC. He has hypertnesion and is on numerous anti-BP deugs.
Drug-induced hypotension (causing syncope)
85
Ddx? 55 yo c/o falling after feeling dizzy and unsteady. He experienced transient LOC. He has hypertnesion and is on numerous anti-BP drugs.
``` DRUG-INDUCED ORTHOSTATIC HYPOTENSION Cardiac arrhythmia Syncope (vasovagal, other cuases) Stroke MI Pulmonary embolism ```
86
Workup? 55 yo c/o falling after feeling dizzy and unsteady. He experienced transient LOC. He has hypertnesion and is on numerous anti-BP drugs.
``` Orthostatic vital signs CBC Electrolytes CT-head ECG V/Q scan CT- chest w/ IV contrast ```
87
Likely dx? 65 yo M presents after falling and LOC for a few seconds. He had no warning prior to passing out but recently had palpitations. His past hx includes coronary artery bypass grafting (CABG).
Cardiac arrhythmia (causing syncope)
88
Ddx? 65 yo M presents after falling and LOC for a few seconds. He had no warning prior to passing out but recently had palpitations. His past hx includes coronary artery bypass grafting (CABG).
``` CARDIAC ARRHYTHIMA (CAUSING SYNCOPE) Severe aortic stenosis Syncope (other causes) Seizure Pulmonary embolism ```
89
Workup? 65 yo M presents after falling and LOC for a few seconds. He had no warning prior to passing out but recently had palpitations. His past hx includes coronary artery bypass grafting (CABG).
``` ECG Holter monitoring CBC, electrolytes Glucose Echocardiography CT-head ```
90
Likely dx? 68 yo M presents following a 20 minute episode of slurred speech, R facial drooping and numbness, and R hand weakness. His sx had totally resolved by the time he got to the ER. Has a hx of HTN, DM, and heavy smoking.
Transient ischemic attack (TIA)
91
Ddx? 68 yo M presents following a 20 minute episode of slurred speech, R facial drooping and numbness, and R hand weakness. His sx had totally resolved by the time he got to the ER. Has a hx of HTN, DM, and heavy smoking.
``` TIA Hypoglycemia Seizure Stroke Facial nerve palsy ```
92
Workup? 68 yo M presents following a 20 minute episode of slurred speech, R facial drooping and numbness, and R hand weakness. His sx had totally resolved by the time he got to the ER. Has a hx of HTN, DM, and heavy smoking.
``` CBC Glucose Electrolytes ECG CT-head MRI-brain Doppler U/S - carotid Echocardiography EEG ```
93
Likely dx? 68 yo M presents with slurred speech, R facial drooping and numbness and R hand weakness. Babinski's sign is (+) on the right. Has hx of HTN, DM, and heavy smoking.
Stroke
94
Ddx? 68 yo M presents with slurred speech, R facial drooping and numbness and R hand weakness. Babinski's sign is (+) on the right. Has hx of HTN, DM, and heavy smoking
``` STROKE TIA Seizure Intracranial neoplasm Subdural or epidural hematoma ```
95
Workup? 68 yo M presents with slurred speech, R facial drooping and numbness and R hand weakness. Babinski's sign is (+) on the right. Has hx of HTN, DM, and heavy smoking.
``` CBC Electrolytes PT/PTT CT-head MRI-brain (preferred) Doppler U/S - carotid Echocardiography ```
96
Likely dx? 33 yo F presents with ascending loss of strength in lower legs over the past 2 weeks. She had a recent URI.
Guillain- Barre syndrome
97
Ddx? 33 yo F presents with ascending loss of strength in lower legs over the past 2 weeks. She had a recent URI.
``` GUILLAIN BARRE SYNDROME Multiple sclerosis Polymyositis Myasthenia gravis Peripheral neuropathy Tumor in the vertebral canal ```
98
Workup? 33 yo F presents with ascending loss of strength in lower legs over the past 2 weeks. She had a recent URI.
``` CBC Electrolytes MRI-brain scan CPK (polymyositis) LP - CSF analysis EMG Nerve conduction studies Tensilon edrophonium test Serum B12 ```
99
Likely dx? 30 yo F presents w. weakness, loss of sensation, and tingling in her L left leg that started this morning. She also experiencing R eye pain, decreased vision, and double vision. She reports feeling "electric shocks" down her spine upon flexing her hand.
Multiple sclerosis
100
Ddx? 30 yo F presents w. weakness, loss of sensation, and tingling in her L left leg that started this morning. She also experiencing R eye pain, decreased vision, and double vision. She reports feeling "electric shocks" down her spine upon flexing her hand.
``` MULTIPLE SCLEROSIS Stroke Conversion disorder Malingering CNS tumor Neurosyphillis Syringomyelia CNS vasculitis ```
101
Workup? 30 yo F presents w. weakness, loss of sensation, and tingling in her L left leg that started this morning. She also experiencing R eye pain, decreased vision, and double vision. She reports feeling "electric shocks" down her spine upon flexing her hand.
``` CBC ESR VDRL/RPR MRI-brain, spine LP-CSF analysis Retinal evoked potentials ```
102
Likely dx? 55 yo M presents w/ tingling and numbness in his hands and feet (glove and stocking distribution) for the 2 months. He has hx of DM, HTN, and alcoholism. There is a decreased soft touch, vibratory, and position sense in the feet.
Diabetic peripheral neuropathy
103
Workup? 55 yo M presents w/ tingling and numbness in his hands and feet (glove and stocking distribution) for the 2 months. He has hx of DM, HTN, and alcoholism. There is a decreased soft touch, vibratory, and position sense in the feet.
``` DIABETIC PERIPHERAL NEUROPATHY Alcoholic peripheral neuropathy B12 deficiency Hypocalcemia Hyperventilation Paraproteinemia/myeloma ```
104
Workup? 55 yo M presents w/ tingling and numbness in his hands and feet (glove and stocking distribution) for the 2 months. He has hx of DM, HTN, and alcoholism. There is a decreased soft touch, vibratory, and position sense in the feet.
``` HBA1C ESR Calcium Serum B12 Urinanalysis Serum and urine protein electrophoresis ```
105
Likely dx? 40 yo F presents with occasional double vision and droopy eyelids at night with normalization by morning.
Myasthenia gravis
106
Ddx? 40 yo F presents with occasional double vision and droopy eyelids at night with normalization by morning.
``` MYASTHENIA GRAVIS Horner's syndrome Multiple sclerosis Intracranial neoplasm cimpressing CN III, IV, or VI Amyotrophic lateral sclerosis ```
107
Workup? 40 yo F presents with occasional double vision and droopy eyelids at night with normalization by morning.
``` Tensilon (edrophonium) test Serum ACH receptor antibodies CXR CT-chest MRI-brain EMG ```
108
Likely dx? 25 yo M presents with hemiparesis after a tonic-clonic seizure that resolved within a few hours.
Todd's paralysis
109
Ddx? 25 yo M presents with hemiparesis after a tonic-clonic seizure that resolved within a few hours.
``` TODD'S PARALYSIS TIA Stroke Complicated migraine Malingering ```
110
Workup? 25 yo M presents with hemiparesis after a tonic-clonic seizure that resolved within a few hours.
``` CBC Electrolytes EEG MRI-brain Doppler U/S - carotid ```
111
Likely dx? 56 yo obese F c/o tingling and numbness of her thumb, index finger, and middle finger for 5 months. Her sx are constant, have progressively worsened, and are relieved with rest. She works as a secretary. She has a hx of fatigue a 20 lb (9 kg) weight gain over the same period.
Carpal tunnel syndrome
112
Ddx? 56 yo obese F c/o tingling and numbness of her thumb, index finger, and middle finger for 5 months. Her sx are constant, have progressively worsened, and are relieved with rest. She works as a secretary. She has a hx of fatigue a 20 lb (9 kg) weight gain over the same period.
CARPAL TUNNEL SYNDROME 2/2 TO HYPOTHYROIDISM Overuse injury of median nerve Medial epicondylitis
113
Workup? 56 yo obese F c/o tingling and numbness of her thumb, index finger, and middle finger for 5 months. Her sx are constant, have progressively worsened, and are relieved with rest. She works as a secretary. She has a hx of fatigue a 20 lb (9 kg) weight gain over the same period.
Phalen's maneuver and Tinel's sign Nerve conduction studies TSH CBC
114
Likely dx? 40 yo F c/o feeling tired, hopeless, and worthless and of having suicidal thoughts. She lost her job and has been having dights with husband about money.
Depression.
115
Ddx? 40 yo F c/o feeling tired, hopeless, and worthless and of having suicidal thoughts. She lost her job and has been having dights with husband about money.
CBC TSH HIV/STD testing Beck Depression Inventory
116
Likely dx? 44 yo M presents with fatigue, insomnia, and nightmares about a murder that he witnessed in a mall 1 year ago. Since then, he has avoided the mall and has not gone out at night.
Posttraumatic stress disorder
117
Ddx? 44 yo M presents with fatigue, insomnia, and nightmares about a murder that he witnessed in a mall 1 year ago. Since then, he has avoided the mall and has not gone out at night.
``` PTSD Depression Generalized anxiety disorder Psychotic or delusional disorder Hypothyroidism ```
118
Workup? 44 yo M presents with fatigue, insomnia, and nightmares about a murder that he witnessed in a mall 1 year ago. Since then, he has avoided the mall and has not gone out at night.
CBC TSH Urine toxicology Beck Depression Inventory
119
Likely dx? 55 yo M presents with fatigue, weight loss, and constipation. He has fam hx of colon cancer.
Colon cancer.
120
Ddx? 55 yo M presents with fatigue, weight loss, and constipation. He has fam hx of colon cancer
``` COLON CANCER Hypothyroidism Renal failure Hypercalcemia Depression ```
121
Workup? 55 yo M presents with fatigue, weight loss, and constipation. He has fam hx of colon cancer
``` Rectal exam, stool for occult blood. CBC Electrolytes, BUN/Cr, calcium AST/ALT Colonoscopy TSH Barium enema CT-abdomen/pelvis ```
122
Likely dx? 40 yo F presents with fatigue, weight gain, sleepiness, cold intolerance, constipation, and dry skin.
HYPOTHYROIDISM
123
Ddx? 40 yo F presents with fatigue, weight gain, sleepiness, cold intolerance, constipation, and dry skin.
Hypothyroidism Depression Diabetes Anemia
124
Workup? 40 yo F presents with fatigue, weight gain, sleepiness, cold intolerance, constipation, and dry skin.
TSH, FT3, FT4 CBC Fasting glucose HBA1C
125
Likely dx? 30 yo obese F presents with fatigue and daytime sleepiness. She snores heavily and naps 3-4 time per day but never feels refreshed. She also has hypertension.
Obstructive sleep apnea
126
Ddx? 30 yo obese F presents with fatigue and daytime sleepiness. She snores heavily and naps 3-4 time per day but never feels refreshed. She also has hypertension
OBSTRUCTIVE SLEEP APNEA Hypothyrodism Chronic fatigue syndrome Narcolepsy
127
Workup? 30 yo obese F presents with fatigue and daytime sleepiness. She snores heavily and naps 3-4 time per day but never feels refreshed. She also has hypertension
``` CBC TSH Nocturnal pulse oximetry ** Polysomnography ECG ```
128
Likely dx? 20 yo M presents with fatigue, thirst, increased appetite, and polyuria.
Diabetes mellitus
129
Ddx? 20 yo M presents with fatigue, thirst, increased appetite, and polyuria.
DIABETES MELLITUS Atypical depression Primary polydipsia Diabetes insipidus
130
Workup? 20 yo M presents with fatigue, thirst, increased appetite, and polyuria.
``` Glucose tolerance test HBA1C UA CBC Electrolytes, BUN/Cr, glucose ```
131
Likely dx? 35 yo M policeman c/o feeling tired and sleepy during the day. He changed to the night shift last week.
Shift work sleep disorder
132
Ddx? 35 yo M policeman c/o feeling tired and sleepy during the day. He changed to the night shift last week
SHIFT WORK SLEEP DISORDER Sleep apnea Depression Anemia
133
Workup? 35 yo M policeman c/o feeling tired and sleepy during the day. He changed to the night shift last week
CBC Nocturnal pulse oximetry Polysomnography
134
Likely dx? 30 yo M presents with night sweats, cough, and swollen glands of 1 month's duration. He recently emigrated from the African subcontinent.
Tuberculosis
135
Ddx? 30 yo M presents with night sweats, cough, and swollen glands of 1 month's duration. He recently emigrated from the African subcontinent.
``` Tuberculosis Acute HIV infection Lymphoma Leukemia Hyperthyroidism ```
136
Workup? 30 yo M presents with night sweats, cough, and swollen glands of 1 month's duration. He recently emigrated from the African subcontinent.
``` PPD/Quantiferon Gold CBC CXR Sputum Gram stain, acid fast stain, and culture HIV antibody TSH, FT4 ```
137
Likely dx? 45 yo F presents w/ excessive sweating, unintentional weight loss, palpitations, diarrhea, and shortness of breath.
Hyperthyroidism
138
Ddx? 45 yo F presents w/ excessive sweating, unintentional weight loss, palpitations, diarrhea, and shortness of breath.
HYPERTHYROIDISM Pheochromocytoma Carcinoid syndrome Tuberculosis
139
Workup? 45 yo F presents w/ excessive sweating, unintentional weight loss, palpitations, diarrhea, and shortness of breath.
``` TSH, FT4 24 hr urinary catecholamines (pheochromocytoma) 5-HIAA (carcinoid) CBC PPD ```
140
Likely dx? 25 yo F presents with a 3 week hx of difficulty falling asleep. She sleeps 7 hrs per night w/o nightmares or snoring. She recently began college and is having trouble w/ her boyfriend. She drinks 3-4 cups of coffee a day.
Stress-induced insomnia
141
Ddx? 25 yo F presents with a 3 week hx of difficulty falling asleep. She sleeps 7 hrs per night w/o nightmares or snoring. She recently began college and is having trouble w/ her boyfriend. She drinks 3-4 cups of coffee a day.
STRESS INDUCED INSOMNIA Caffeine induced insomnia Insomnia w/ circadiam rhythm sleep disorder Insomnia related to major depressive dsorder
142
Workup? 25 yo F presents with a 3 week hx of difficulty falling asleep. She sleeps 7 hrs per night w/o nightmares or snoring. She recently began college and is having trouble w/ her boyfriend. She drinks 3-4 cups of coffee a day.
``` Polysomnography Mental status exam Urine toxicology CBC TSH ```
143
Likely dx? 26 yo F presents with sore throat, fever, severe fatigue, and loss of appeitite for the past week. She also reports epigastric and LUQ discomfort She has cervical lymphadenopathy and a rash. Her boyfriend recently experienced similar sx.
Infectious mononucleosis
144
Ddx? 26 yo F w/ sore throat, fever, severe fatigue, and loss of appetite for the past week. She also reports epigastric and LUQ discomfort. She has a cervical lymphadenopathy and a rash. Her boyfriend recently exprienced similar sx.
``` INFECTIOUS MONONUCLEOSIS Hepatitis Viral or bacterial pharyngitis Acute HIV infection Secondary syphillis ```
145
Workup? 26 yo F w/ sore throat, fever, severe fatigue, and loss of appetite for the past week. She also reports epigastric and LUQ discomfort. She has a cervical lymphadenopathy and a rash. Her boyfriend recently exprienced similar sx.
``` CBC w. peripheral smear Monospot test Throat cx AST/ALT/bilirubin/Alkaline phosphotase HIV antibody and viral load Anti-EBV antibodies VDRL/RPR ```
146
Likely dx? 26 yo M presents with sore throat, fever, rash, and weight loss. Has a hx of IV drug abuse and sharing needles.
HIV, acute retroviral syndrome
147
Ddx? 26 yo M presents with sore throat, fever, rash, and weight loss. Has a hx of IV drug abuse and sharing needles.
``` HIV - acute retroviral syndrome Infectious mononucleosis Hepatitis Viral pharyngitis Streptococcal tonsillitis/scarlet fever Secondary syphilis ```
148
Workup? 26 yo M presents with sore throat, fever, rash, and weight loss. Has a hx of IV drug abuse and sharing needles.
``` CBC w/ peripheral smear HIV antibody and viral load CD4 count Monospot test Throat cx VDRL/RPR AST/ALT/Bilirubin/Alk Phosphotase ```
149
Likely dx? 46 yo F presents with fever and sore throat.
Pharyngitis (viral or bacterial)
150
Ddx? 46 yo F presents with fever and sore throat.
PHARYNGITIS (VIRAL OR BACTERIAL) Mycoplasma pneumonia Acute HIV infection Infectious mononucleosis
151
Workup? 46 yo F presents with fever and sore throat.
Throat swab for culture and rapt streptococcus antigen Monospot test (mono) CBC Serological test (cold agglutinin test for Mycoplasma pneumonia) HIV antibody and viral load
152
Likely dx? 30 yo M presents with SOB, cough, and wheezing that worsen in cold air. He has had several such episodes in the past 4 months.
Asthma
153
Ddx? 30 yo M presents with SOB, cough, and wheezing that worsen in cold air. He has had several such episodes in the past 4 months.
``` ASTHMA GERD Bronchitis Pneumonitis Foreign body ```
154
Workup? 30 yo M presents with SOB, cough, and wheezing that worsen in cold air. He has had several such episodes in the past 4 months.
``` CBC CXR Peak flow measurement PFTs Metacholine challenge test (asthma vs bronchitis) ```
155
Likely dx? 56 yo F presents with SOB and productive cough that has lasted for at least 3 months for over the past 2 years.
COPD-chronic bronchitis
156
Ddx? 56 yo F presents with SOB and productive cough that has lasted for at least 3 months for over the past 2 years.
COPD - CHRONIC BRONCHITIS Bronchiectasis Lung cancer Tuberculosis
157
Workup? 56 yo F presents with SOB and productive cough that has lasted for at least 3 months for over the past 2 years.
``` CBC Sputum gram stain and culture CXR PFTs CT-chest PPD ```
158
Likely dx? 58 yo M presents with 1 week of pleuritic chest pain, fevers, chills, and cough with purulent yellow sputum. He is a heavy smoker with COPD.
Pneumonia
159
Ddx? 58 yo M presents with 1 week of pleuritic chest pain, fevers, chills, and cough with purulent yellow sputum. He is a heavy smoker with COPD.
``` PNEUMONIA COPD-exacerbation (bronchitis) Lung abscess Lung cancer Tuberculosis Pericarditis ```
160
Workup? 58 yo M presents with 1 week of pleuritic chest pain, fevers, chills, and cough with purulent yellow sputum. He is a heavy smoker with COPD.
``` CBC Sputum gram stain and cx CXR CT-chest ECG PPD ```
161
Likely dx? 35 yo F presents with 2 wks of nonproductive cough. Three weeks agoshe had a sore throat and a runny nose.
Atypical pneumonia
162
Ddx? 25 yo F presents with 2 wks of nonproductive cough. Three weeks agoshe had a sore throat and a runny nose.
``` ATYPICAL PNEUMONIA Reactive airway disease URI-associated cough ("postinfectious) Postnasal drip GERD ```
163
Ddx? 25 yo F presents with 2 wks of nonproductive cough. Three weeks agoshe had a sore throat and a runny nose.
``` CBC Induced sputum gram stain and cx CXR IgM detection for Mycoplasma pneumonia Urine Legionella antigen ```
164
Likely dx? 65 yo M presents with worsening cough for the past 6 months accompanied by hemoptysis, dyspnea, weakness, and weight loss. Heavy smoker.
Lung cancer
165
Ddx? 65 yo M presents with worsening cough for the past 6 months accompanied by hemoptysis, dyspnea, weakness, and weight loss. Heavy smoker.
``` LUNG CANCER Tuberculosis Lung abscess COPD Vasculitis (eg Wegener's granulomatosis) Interstitial lung disease CHF ```
166
Workup? 65 yo M presents with worsening cough for the past 6 months accompanied by hemoptysis, dyspnea, weakness, and weight loss. Heavy smoker.
``` CBC Sputum gram stain, cx, and cytology CXR CT-chest PPD ANCA Bronchoscopy Echocardiography ```