1) change in which segment provides major clue for diagnosis of cardiac ischaemic injury? a) ST segment b) TP segment c) PQ segment d) PR segment 2) What happens to the T wave during myocardial ischemia? a) T wave depression b) T wave inversion c) T wave elevation d) T wave deviation 3) Substernal series of chest pain radiating to inner border of left arm is called a) Myocardial infarction b) Myocardial ischaemia c) Angina pectoris d) Cardiac arrhythmia 4) What happens when myocardial ischaemia is prolonged? a) Myocardial infarction b) Ventricular Hypertrophy c) Cardiac tamponade d) Epicardial perfusion 5) Which process decreases RMP of in infarcted muscle cell? a) Loss of intracellular K+ b) Loss of intracellular Na+ c) Loss of intracellular Ca2+ 6) In Left Ventricular Hypertrophy, the R wave is high in amplitude in which leads? a) V1 b) V5 and V6 c) V3 d) V3 and V4 7) In Right Ventricular Hypertrophy, the R wave is high in amplitude in which leads? a) V5 and V6 b) V3 and V4 c) V1 d) V2 8) Which of the following graphs show myocardial infarction? a) b) c) d) 9) Myocardial infarction differs from angina pectoris, the former is a) Cry of dying myocardial fibres b) Reversible damage to myocardium c) Produced by transient occlusion of coronary arteries d) Aspetic necrosis of myocardium

Myocardial abnormalities

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