First 200 Flashcards
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Low sodium with a lung mass
- Identify
- Treatment
- SIADH
- Treat lung CA, drug Demeclocycline (inibits ADH in distal convoluted tubule), hypertonic saline
(demigod Crook on a cycle)
Foul-smelling sputum with right lower lobe infiltrate
Identify
Aspiration pneumonia
Causes by alcoholism, reflux, dementia, seizures etc
A diabetic infant will have (and why):
- Hypoglycemia / Hyperglycemia
- Hyperviscosity / Hypoviscosity
- Hypoglycemia - High maternal BG has baby making high levels of insulin
- Hyperviscosity - 2/2 polycythemia due to hypoxia caused by maternal high basal metabolic rate (diabetes)
MCD: Child aged 2-5 with flank mass
Wilms tumour
Neutrophil count <500/mm3 and fever following chemotherapy
Identify & treatment
Febrile neutropenia
Blood cultures, admit pt, start emperic abx (3 or 4th gen ceph)
Sudden familial cardiac arrest, possibly african-american
- Most likely diagnosis
- Murmur will increase / decrease with what?
- Hypertrophic cardiomyopathy
2. Decrease with handgrip, Increase with valsalva
MCD: Joint pain with painless lesions and a new sex partner
Disseminated gonococcal infection
Recurrent cheek mass
- Diagnosis
- Which nerve is in danger with surgery
- Recurrent parotid neoplasm
2. Facial nerve
Stepwise treatment for ascites. List the 4
- Sodium and water restriction (2L per day)
- Pot-sparing diuretics eg. Spironolactone
- Loop diuretic (not exceeding 1L per day)
- Frequent tapping
- pt presents (W)ith POT-belly LOnging for TAPPING
MCD: Delayed separation of the umbilical cord with periodontal abscesses
Leukocyte adhesion problems
Pt with pheochromocytoma was given a drug after which BP spikes suddenly
- What drug was given
- Why did this happen
- Beta blocker
- Giving a beta blocker without an alpha blocker causes unopposed alpha stimulation, causing a spike in BP. Make sure to give an alpha first, or give the alpha and beta blockers at the same time
MCD: Kid with pes cavus, absent ankle jerk, gait problems
Friedrich’s Ataxia
Swollen face & body following trauma or infection
- Diagnosis
- Main peptide involved & why its involved
- Angioedema 2/2 C1 receptor dysfunction
2. Bradykinin increases due to the above dysfunction
Bilateral muscle weakness a) with elevated CK or b) with normal CK levels
- Diagnosis
- Diagnostic test
A) With elevated CK levels - hypothyroidism, test TSH levels
B) With normal CK levels - polymyositis, do muscle biopsy
How do statins cause myopathy?
Statins inhibit HMG-CoA reductase which prevents HMG-CoA from converting to mevalonate. Mevalonate is needed for synthesis of CoQ10, which - reduced - leads to myopathy
Where are craniopharyngiomas, and what do they cause
Above sella tursica, compressing the pituitary and optic chiasm
Causes bitemporal blindness (tunnel vision) and headaches
MCD: “String of beads” angiogram of renal artery & bruit over costovertbral angle
Fybromuscular dysplasia (most common 2dary HTN in kids)
Most common cause of corneal blindness in the US?
HSV infection
HIV patient presenting with
1) painful retinal necrosis, fundoscope reveals central retinal necrosis
2) painLESS loss of vision, fundoscope shows fluffy or granular lesions around retinal vessels
What infection?
1) painful - HSV or VZV
2) painless - CMV
- Top HHVs are the painful ones, the lower HHV-5 (CMV) is the poefter causing painless with fluffy findings
MCD: Itching, xanthomatous lesions and hepatomegaly
PBC
Which diseases are linked to anti mitochondrial antibodies? (mnemonic)
People leaving AMA gets out to SEE “C” the STReet
C - celiac disease
S - Sjogrens, scleroderma
T - thyroid, hypo and autoimmune thyroid disease
R - Raynauds
What is CREST syndrome?
C - Calcinosis (calcium deposits in skin, pink-white nodules on skin)
R - Raynaud’s
E - Esophageal dysmotility
S - Sclerodactyly - Joint pain & fibrosis of skin (shiny appearance)
T - Telangiectasias (“Mat-like” patches on face and arms)
Difference between esophageal dysmotility with INCREASED or DECREASED LES tone?
Increased LES tone - think achalasia (also birds beak)
Decreased tone - think scleroderma (possibly as part of CREST)
Based on organ damaged, differentiate between ethylene glycol and methanol poisoning
Ethylene glycol - damages kidneys (damages EGg shaped organs)
Methanol - damages eyes (MMMMMy eyes!!)
What are the 4 things to look for with multiple myeloma?
CRABS
C - Calcium high
R - Renal impairment
A - Anemia
B - Bone pain
Symptoms of iron intoxication
Phase 1 - GI symptoms (bleeding, 30min - 6 hrs)»_space;> Sudden onset (Iron brew will stab through you), upper endo first
Phase 2 - Latent (asymptomatic, 6-24hrs)
Phase 3 - Sudden shock & metabolic acidosis (6-72hrs)
Phase 4 - Hepatotoxicity (12-96hrs)
MCD: Pain with active and passive lifting of arm above the head, hx of repetative movement ABOVE the head (look for painters)
Rotator cuff tendonitis / impingement
- painters pain-T(endonitis)-I(mpinge)-ng
Withdrawel of what drug leads to tonic-clonic seizures?
Alprazolam (short acting benzo)
MCD: Neonate with bilateral cataracts, hypoglycemia and jaundice
Caused by?
What if it was cataracts WITHOUT jaundice?
Galactosemia
Caused by galactose-1-phosphate uridyl transferase deficience
Without jaundice - galactokinase deficiency
Granulations seen in ear with pain and drainage
Diagnosis?
Cause?
Treatment?
Malignant Otitis Externa
Pseudomonas Aeruginosa
Systemic ciprofloxacin
Post-op patient with sudden onset nausea, vomiting, hypotension, hypoglycemia AND hx of steroid use?
Acute adrenal insufficiency
How do VIPomas present?
- Mass in the head of pancreas
- Watery diarrhea
- Signs of hypokalemia (leg cramps)
- Decrease of amount of stomach acid
Which component of the DTaP vaccine usually causes seizures?
Pertussis
Buzz words: Enlarged cardiac silhouette which pushes up the left main bronchus
Diagnosis?
Reason / Preceding event?
Treatment?
Rheumatic heart fever
Mitral valve stenosis
Surgery
How to differentiate between ARDS and cardiogenic pulm edema?
With ARDS, PCWP will be LESS than 18mmHg. With cardiogenic pulm edema, it will be MORE.
Tremor that increases with directed movement in elderly pt
Diagnosis?
Tests?
Treatment?
Essential tremor
MRI of brain & spine
Primidone or propranolol
Which are unique to either Parkinson’s or Essential Tremor
Unilateral presentation
Head tremor
Resting tremor
Immediate of tremor with movement
PD
ET
PD
ET
Inappropriate behaviour, fidgety male with worsening balance
Diagnosis?
Tests?
Treatment?
Huntingtons
Genetic testing / CT scan of brain shows atrophy of caudate & putamen
Symptomatic
Infection followed by ascending paralysis
Diagnosis?
Tests?
Treatment?
GBS
Albumino-cytologic dissociation (elevated protein with normal cell count) in CSF
IVIG / plasmaphoresis
Patient with paranoid schizophrenia - firstline treatment?
Side-effects?
Last-line treatment? Why?
Risperidone (atypical antipsychotic)
Typical antipsychotics - EPS (extrapyramidal) like laryngospasm
Clozapine - causes agranulocytosis
What is the pathology for PROXIMAL vs. DISTAL weakness?
Proximal - think muscle (myopathies, MG)
Distal -think nerve (GBS, ALS etc)
Best way to diagnose acoustic neuromas?
MRI with gadolinium
Most common cause of comorbidities and mortality following SAH?
Vasospasm with symptomatic infarction & ischemi
Difference between partial complex seizures and partial seizure with secondary generalization?
Partial with sec. generalization has TONIC-CLONIC acitivity. Partial complex does not.
Pt presenting with ascites and new onset abdominal disconfort and/or AMS
- Most likely diagnosis
- Diagnosis
- Treatment
- Complications
- SBP
- Paracentesis - PMN of >250 and ascites (SAAG score of more than 1.1 means portal hypertension)
- Abx
4.
Pt presents with chronic diarrhea, abdominal pain and weight loss
- Most likely diagnosis
- How to diagnose
- Crohn’s
2. Labs: Anemia, reactive thrombocytosis. Colonoscopy
Does nitroglycerin dilate veins or arteries?
Veins
Pt presents with hx of alcohol & smoke with long-standing palpable cervical lymph node
- Most likely diagnosis
- How to diagnose
- Squamous cell carcinoma of the mucosa of the head
2. Biopsy & panendoscopy to find primary
Preterm baby presents with fever & vomiting in the first 2 weeks
- Most likely diagnosis
- How to diagnose
- Necrotizing enterocolitis
2. XRay shows pneumatosis intestinalis
Pt presents with hx of HIV and dry cough with exertional dyspnea. Chest xray is fuzzy in the lower lobes
- Most likely diagnosis
- How to diagnose
- Treatment
- PCP
- Xray
- TMP-SMX with steroids
Pt presents with bleeding metatstatic lesion in the brain with distant hx of melanoma
- Most likely origin
- Malignant melanoma (if he has ANY history of melanoma)
Pt presents with acute onset hemolysis following sulfa drugs
- Most likely diagnosis
- How to diagnose
- G6PD deficiency
2. Blood smear shows bite cells,
Pt presents withblunted calicies on IVP, recurrent UTI’s and focal parenchymal scarring
- Most likely diagnosis
- Chronic pyolonephritis
Pediatric pt presents with hip pain following a URI
- Most likely diagnosis
- How to diagnose
- Treatment
- Transient synovitis
- Hip will be flexed, abducted and externally rotated
- Ibuprofen and weightbearing restriction
4 factors to differentiate septic arthritis from transient synovitis
- Fever > 102
- WBC count > 12K
- ESR > 40
- Refusing weight bearing
Remember : take FeWER risks with SA
Pt presents with hx of alcoholism and AMS with fruity breath
- Most likely diagnosis
- How to diagnose
- Treatment
- Acute hepatic encephalopathy
- High ammonia
- Lactulose
Young pt presents with acute onset CHF
- Most likely diagnosis
- How to diagnose
- Coxsackie B
2. Hepatomegaly, S3, pleural effusion
Reed Sternberg cells means..?
Hodgkin lymphoma
Pt presents with bone mets and hypercalcemia
- Most likely diagnosis
- How to treat 1) acute vs. hypercalcemia due to 2) malignancy or 3) extra production of vit. D
- Tumour secretion of PTHrP
- IV saline & furosemide
- Bisphosphonates
- Corticosteroids
Why are CCBs contraindicated in STEMIs?
It causes PERIPHERAL VASODILATION and cause REFLEX TACHYCARDIA
African American Pt presents with bone pain
- Most likely diagnosis (2)
- How to diagnose & differentiate the top 2
- Septic arthritis or osteonecrosis
- SA - will have fever and joint tenderness with NO weightbearing - caused by staph or salmonella
Osteonecrosis won’t have these things
How would the following birth-traumas present?
- Erb-Duchenne
- Klumpke’s
- Fractured clavicle
- Absent Moro, waiter’s tip
- Horner’s with ipsilateral hand paralysis
- You can feel the fracture, decreased arm movement
What is the OD symptoms of
- Vitamin A
- Vitamin D
- Vitamen K
- Iron
- Aspirin
- Lead
- A - pseudotumour cerebri, irritability and vomiting (A-list for VIP)
- D - anorexia, nausea, vomiting, HA, polyuria/dipsia (D is draining)
- K - hyperbilirubinemia (in kids)
- Iron - corroding the GI (with related symptoms), hypotension
- Aspirin - fever, tinnitus, metabolic acidosis with vomiting
- Lead - ataxia, seizures, abd pain and encephalopathy
Pt presents with drug-induced interstitial nephritis
- Most likely presentation
- Most likely drug involved
- Treatment
- Fever, rash, joint pain. Possibly sterile pyuria.
- PCNs, cephs and sulfa
- Stop offending drug
Pt presents with CP radiating to the back and a lower BP in the left arm
- Most likely diagnosis
- How to diagnose
- Treatment
- Aortic dissection
- TEE
- Control HTN, stage dissection
Pt presents with hx of running or hiking now a multi-week hx of forefoot pain
- Most likely diagnosis
- How to diagnose
- Treatment
- Morton’s neuroma
- Squeezing 3 & 4th metatarsels together produces a ‘click’ with plantar pain
- Support and padded shoes; if this fails, surgery
Pt presents with kidney stones and hx of Crohn’s
- Most likely type of stone
Oxalate
Paget’s disease - what are the calcium, phosphate and AP levels?
Calcium & phosphate - normal
AP - high
First line treatment for longterm bipolar / mania?
‘shhh, quiet! LOL! Lame…’
Quetiapine, lithium, olanzapine, lamotrigine
Pediatric Pt presents with rash & hematuri 2 weeks after infection
- Most likely diagnosis
- Complications
- Treatment
- Henoch-schonlein purpura
- Intussusception
- Steroids & monitoring of renal function
Common meds that cause hyperkalemia (4)
ACEI, NSAIDs, K-sparing diuretics like spironolactone and amiloride
What is the most common cause for purpura in krimpies
Senile purpura - caused by perivascular connective tissue atrophy
Causes for hyponatremia
- With hypovolemia (2)
- With euvolemia (3)
- With hypervolemia (3)
- GI losses, renal losses
- SIADH, psychogenic polydipsia, hypothyroidism
- CHF, cirrhosis, CKD
Asthma-like symptoms in someone who has a hx of heart disease who has never had asthma
- What should be at the top of the ddx?
- What should the next step be?
Aspirin sensitivity syndrome - pts taking aspirin for the heart condition shows asthma like symptoms…
Start leukotriene-receptor antagonist
Baby with olive shaped mass in RUQ
Pyloric stenosis
How does pleural fluid pH determine chest tube placement?
If pH is below 7.2, CT needs to be placed
Pt presents with a LOT of vomiting in the first trimester
- Most likely diagnosis
- What to rule out
- Treatment
- Hyperemesis gravidarum
- Rule out hydatidiform mole or choriocarcinoma with b-HCG levels
- Supportive
Pediatric Pt presents with sustained rotation of his neck to one side, resisting movement. Possible neck swelling.
- Most likely diagnosis
- Next step (to rule out what..?)
- Acquired torticollis
2. Xray to rule out cervical spine fracture or dislocation (due to atlantoaxial sublaxation)
The difference between scarlet fever and kawasaki?
Scarlet fever has a 3-5 day fever span, and the rash goes away by 6 days.
Kawasaki’s fever lasts at least 5 days
Pt presents with sudden onset hypotension and massive rise in LFTs
- Most likely diagnosis
Ischemic hepatic injury