ECG is a method to detect
-
heart attack
-
heartblock
-
coronary thrombosis
-
all of the above
D
Correct answer
Explanation
ECG is used to detect various cardiac conditions including heart attacks (myocardial infarction), heart blocks (conduction abnormalities), and coronary thrombosis (clot in coronary arteries). All of these conditions produce characteristic changes in the ECG pattern.