Approach to Chest Pain

Question 1

4 potential major immediate threats to life with chest pain

Answer 1

MI
Aortic dissection
Pneumothorax
PE

Question 2

What are 3 possible consequences of an inferior STEMI

Answer 2

Sinus bradycardia +/- varying degrees of heart block
Hypotension
Mitral regurgitation

Question 3

Aortic dissection

Answer 3

Tear into inner wall of aorta
Block tracks between intima and media
Then propagates potentially obstructing branches downstream resulting in ischemic injury to whatever they supply

Question 4

ECG changes with acute pericarditis

Answer 4

Usually diffuse ST elevation
Can be associated with PR depression (elevation in aVR)
No reciprocal changes
Morphology of the ST segment