ECG teaching

Question 1

what does complete coronary occlusion look like on ECG

Answer 1

on initial ECG - St elevation after 1-3 days - q waves

Question 2

what does partial coronary occlusion look like on an ECG

Answer 2

Initial ECG - ST depression t wave inversion

ECG at 3 days - no q wave

Question 3

What is MI type 1

Answer 3

plaque rupture with thrombus

Question 4

what are MI type 2

Answer 4

• vasospasm or endothelial dysfunction
• fixed atherosclerosis and supply-demand imbalance
• supply imbalance alone