Cardiology

Question 1

mediastinal widening on Chest X-Ray

Answer 1

aortic dissection

Question 2

false lumen on CT Scan

Answer 2

aortic dissection

Question 3

shortened PR interval and delta waves on ECG

Answer 3

Wolff-Parkinson-White syndrome

Question 4

Pancarditis, arthritis, erythema marginatum are a triad for which condition?

Answer 4

Rheumatic fever

Question 5

1-3 days post-MI histology:

Answer 5

Extensive coagulative necrosis, neutrophils (associated with fibrinous pericarditis)

Question 6

0-24hr post-MI histology findings:

Answer 6

Early coagulative necrosis, neutrophils, wavy fibres, hypercontraction of myofibrils. High risk of ventricular arrhythmia, HF and cardiogenic shock

Question 7

3-14 days post-MI histology:

Answer 7

macrophages + granulation tissue at margins. High risk of free wall rupture, papillary muscle rupture and LV pseudoaneurysm

Question 8

2 weeks to several months post-MI histology:

Answer 8

contracted scar complete. Associated with Dressler syndrome, HF, arrhythmias, mural thrombus