Classic Findings

Question 1

EKG in Pericarditis

Answer 1

Diffuse ST elevations and PR depression

Question 2

EKG in Cardiac Tamponade

Answer 2

Electrical alternans - alternating QRS directions beat to beat

Due to pendular swinging of heart within pericardial sac

Question 3

EKG in Hyperkalemia

Answer 3

Peaked T waves

Loss of p waves

QRS widening

PR prolongation

Question 4

HIT type 1 v type 2

Answer 4

1 - heparin directly causes platelet aggregation w/in 48 hrs - NO TX

2- heparin causes antibody-mediated injury to platelets in 3-12 days –> D/C heparin immediately

Question 5

Auer Rods

Answer 5

Seen in AML (especially APL - all trans retinoid acid)

Represent granules and eosinophilic rods

Question 6

T2 signal in frontotemporal region

Answer 6

HSV encephalitis

Question 7

Chancroid v. Lymphogranuloma venerum

Answer 7

Chancroid: painful purulent ulcer w/ shaggy borders and painful lymph nodes at SAME TIME

LV: non-painful papules, vesicles and ulcers w/ painful lymph nodes WEEKS later

Question 8

Rocky Mt Spotted Fever

Answer 8

Rash starting on hands and feet

Fevers, chills, malaise, myalgias, photophobia, N&V, headache

Inc LFTs and thrombocytopenia

Interstitial pneumonitis

Question 9

Still’s Disease

Answer 9

Daily spiking fever

Salmon rash

Arthritis

Inc WBC / inc ferritin