Step 2 CS Flashcards
48yo F epigastric pain: DD and workup
- PUD
- Cholecystitis
- Gastritis
- Functional or nonulcer dyspepsia
- Perforated ulcer
- Gastric CA
PUD
Rectal exam, occult blood (PUD)
Upper endoscopy (PUD, Gastric CA, Perforation)
Acute Chole
AST/ALT/Bili/Alk Phos/Lipase (Acute chole)
U/S Abd (acute chole)
HIDA (acute chole)
Gastritis
H.Pylori antibody testing (gastritis)
21yo F RLQ pain: DD and workup
- PID
- Appendicitis
- Ruptured ectopic
- Ruptured ovarian cyst
- Adnexal torsion
- Gastroenteritis
- Abortion
- Endometriosis
Appi
- Rectal exam (Appi)
- CBC (Api)
PID
- Pelvic exam (PID)
- Cervical cultures (PID)
Ectopic
- Urine HCG (ectopic)
- U/S abd/pelvis (GI/GU)
- CT abd/pelvis (GI/GU)
- Laparoscopy (GI/GU)
UTI
5. UA (UTI)
21yo F RLQ pain: PE
Appi
- psoas
- obturator
- rovsing’s
UTI/Pyleo
-CVA tenderness
74yo M with pain in R arm: DD and workup
- humeral fracture
- osteoporosis
- shoulder dislocation
- elder abuse
- rotator cuff tear
Humeral fracture/shoulder dislocation
1. XR: R shoulder/arm AP and lateral
Rotator Cuff tear
2. MRI: shoulder
Osteoporosis
3. DEXA bone scan
21yo M with sore throat: DD and workup
- infectious mononucleosis
- acute HIV infection
- viral pharyngitis
- bacterial pharyngitis
Infectious Mononucleosis
- CBC
- Peripheral Smear
- Monospot
- Anti-EBV antibodies
Bacterial/Viral Pharyngitis
- Rapid streptococcal antigen
- Throat culture
Acute HIV infection
7. HIV antibody and viral load
55yo M with blood in stool: DD and workup
- Colorectal CA
- Hemorrhoids
- Diverticulosis
- Angiodysplasia
- Pseudomembranous Colitis (C. Diff)
- Other infectious colitis
- UC
Colorectal CA
- Rectal exam (occult blood)
- CBC
- Colonoscopy
- Flexible proctosigmoidoscopy
Hemorrhoids
5. Anoscopy
Diverticulosis
- CT abd/pelvis
- Double-contrast (air contrast) barium enema
Infection/Inflammatory Bowel Disease
- Stool for C. Difficile toxin
- Fecal leukocytes
46yo M with chest pain: DD and workup
- Myocardial ischemia or infarction
- Cocaine-induced myocardial ischemia
- GERD
- Aortic Dissection
- Pericarditis
- Pneumothorax
- Pulmonary embolism
- Costochondritis
Myocardial Ischemia
- EKG
- Cardiac enzymes (CPK, CPK-MB, troponin)
- Transthoracic echo (TTE)
- Cardiac catheterization
- Cholesterol panel
Aortic Dissection
- CXR
- Transesophageal echo (TEE)
- CT chest with IV contrast
GERD
8. upper endoscopy
7mo M with 1day h/o fever 101F, runny nose, sick contact brother UTI 1 week ago, attends daycare
DD and workup
- Viral URI
- PNA
- Meningitis
- UTI
- Otitis Media
- Gastroenteritis
- Occult bacteremia
Otitis Media
- Pneumatoci otoscopy
- Tympanometry
Occult Bacteremia
3. CBC with Diff, blood culture
UTI
- UA and urine culture
- Renal U/S
- Voiding cysturethrogram
Meningitis
- LP with CSF analysis
- CT Head
PNA
- CXR
- Bronchoscopy
Viral URI
8. Serum antibody titers
18mo F with 2day h/o fever, pulling R ear, difficulty swallowing, maculopapular facial rash spread to trunk, daycare.
DD and workup
- otitis media
- meningococcal meningitis
- Scarlet fever
- fifth disease or other viral exanthem
- varicella
Otitis Media
- Pneumatic Otoscopy
- Tympanometry
Meningitis
- LP with CSF analysis
- Platelets, PT/PTT, D-dimer, fibrin split products, fibrinogen
- CBC with diff, blood culture, UA and Urine Culture
Scarlet Fever
6. Throat culture
Fifth Disase
7. Parvovirus B19 IgM antibody
Varicella
- Skin Scrapings
- Varicella antibody titer
26yo M presents with 1 week h/o cough, fever, runny nose, sore throat. Extensive sexual history. Productive cough. Stabbing pleuritic pain in R chest. On PE tactile fremitus and decreased breath sounds on R side.
DD and workup
- URI associated cough
- Acute bronchitis
- Pneumonia
- Pleurodynia
- Aspiration
- CXR
- CBC
- Sputum gram stain and culture
- Urine Leginonella antigen, serum Mycoplasma PCR, cold agglutinin measurement
- Bronchoscopy with bronchoalveolar lavage
- Pulse oximetry or ABG
- HIV antibody
54yo F with PMH chronic bronchitis 2/2 smoking history presents with 1mo h/o productive cough with blood streaks, weight loss, exposed to TB at work.
DD and workup
- Pulmonary TB
- lung CA
- Lung abscess
- Atypical PNA
- Typical PNA
- COPD exacerbation
- Wegener’s granulomatosis
- CBC
- C-ANCA
- Blood cultures
- PPD
- Sputum: gram stain, AFB smear, routine cultures, mycobacterial cultures, cytology
- CXR: PA and lateral
- CT chest
- Bronchoscopy
- Lung biopsy
52yo F with 3wk h/o jaundice, light stools, dark urine, RUQ pain dull intermittent.
DD and workup
- Extrahepatic biliary obstruction
- Pancreatic CA
- Choledocholithiasis
- Chonangiocarcinoma
- Carcinoma of the ampulla
- sphincter of oddi dysfunction - Viral hepatitis
- Acetaminophen liver toxicity
- Alcohol hepatitis
- Primary Biliary Cirrhosis
- AST/ALT/bilirubin/alk phos
- CBC (chronic liver dx –> splenomegaly –> low platelets)
- PT/PTT (coagulopathy 2/2 liver failure)
- Viral hepatitis serologies
- Acetaminophen level
- Abd U/S
- Abd CT
- MRCP/ERCP
Neurological Exam
- Mini-mental status exam
- CNs 2-12: visual acuity, H test, facial sensation + motor, auditory, “ahhh”, twist head, tongue protrusion
- Motor exam
- Sensory Exam: sensation, sterognosis, graphesthesia, 2 point discrimination
- DTRs
- Gait: tandem, walk on heels and toes
- Cerebellum: finger-nose, heel-shin, rapid hand mvmts
- Romberg sign
Mini-mental status exam (folstein)
- Orientation to time, place
- Name 3 objects, ask patient to repeat all 3
- Serial 7’s from 100 to 5, spell WORLD backwards
- Ask to recall 3 objects from before
- Name objects: pencil, watch, phone
- Repeat “no ifs, and or buts”
- Follow 3 step command: put paper in R hand.. etc.
- Obey the following: CLOSE EYES
- Write a sentence
- Copy a design
65yo F with 1yr h/o difficulty remembering after death of husband, progressively worse. Problems with daily activities, frequent falls, weakness in LUE 2/2 stroke
DD and workup
- Alzheimer’s Disease
- Vascular dementia
- Depression
- Hypothyroidism
- Vitamin B12 deficiency
- Subdural hematoma
- CBC (Vit B12 def macrocytic anemia)
- Electrolytes, Calcium, glucose, BUN/Cr (metabolic probs can cause cognitive dysfunction)
- Serum B12, TSH, RPR (reversible causes)
- CT head or MRI brain (mass, hematoma, stroke, normal pressure hydrocephalus)
- EEG
56yo M PMH DM last 25yrs presents with episodes of palpatations and diaphoresis after missing meals, inability to maintain erection, loss of sensation in stocking-like distribution
DD and workup
- Insulin-induced hypoglycemia
- Peripheral neuropathy: diabetic or alcoholic
- Multiple myeloma
- Diabetic autonomic neuropathy, vascular disease or med-induced ED
Diabetes
- Serum glucose, HbA1c
- UA, urine microalbumin, BUN/Cr
- Nerve conduction studies
Erectile dysfunction
- Genital Exam
- Doppler U/S penis
Multiple Myeloma
4. CBC, SPEP
53yo M with intermittent dizziness last 2 days. Room spinning around him. Episodes last 20mins, progressively worse. Hearing loss in L ear started yesterday. +N/V
DD and Workup
- Meniere’s disease (episodic vertigo, low-freq hearing loss, tinnitus, aural fullness. Caused by syphilis and head trauma)
- Orthostatis hypotension 2/2 dehydration (diarrhea and loop diuretic use)
- Benign Paroxysmal Positional Vertigo (transient vertigo with changes in head movement, no hearing loss)
- Labyrinthitis (2/2 viral infection, hearing loss, tinnitus, virtigo continuous lasts days-week)
- Perilymphatic fistula (hearing loss 2/2 trauma, virtigo lasts seconds)
- Acoustic Neuroma
- Dix-Hallpike maneuver (BPPV)
- VDRL/PRP (r/o syphilus –> Meniere’s disease)
- Audiometry (hearing function)
- MRI brain (central vestibular lesions)
- Brain stem auditory evoked potentials (help dx central vestibular disease)
- electronystagmography
Depression Screening
SIG EM CAPS Sleep Interest Guilt Energy Mood Concentration Appetite Psychomotor agitation/retardation Suicidal Ideation
46yo M c/o fatigue last 3 months started after unsuccessful attempt to save friend after car accident, multiple past sexual partners
DD and workup
- Depression SIG EM CAPS
- Adjustment d/o with depressed mood
- hypothyroidism
- OSA
- PTSD
- HIV infection (h/o STDs)
- CBC (r/o anemia)
- TSH (r/o hypothyroidism)
- Ambulatory nocturnal oximetry (r/o OSA)
- polysomnography (Dx OSA)
- HIV antibody (r/o HIV infection)
- MRI brain (intracranial mass)
32yo F c/o fatigue and weakness for 5mo, increases during the day, domestic abuse by husband, reports polyuria/polydypsia/nocturia.
DD and workup
- Domestic Violence
- Depression
- DM
- Diabetes insipidus
- Anemia
- Myasthenia Gravis
- Hypothyroidism
Anemia
1. CBC, iron level, TIBC, ferritin, serum B12 (investigate anemia)
Diabetes Mellitus
- UA
- Serum glucose, HbA1c
Hypothyroidism
5. TSH
Central DI
- Electrolytes (hypernatremia)
- MRI brain (mass lesions in central DI)
- DDAVP nasal spray test “vasopressin challenge test”