Which of the following ECG changes would be seen as a positive myocardial stress test response?

The correct answer is C. ST-segment depression. (A) Hyperacute T waves occur with hyperkalemia. (B) Prolongation of the P R interval occurs with first-degree AV block. (C) Horizontal ST-segment depression of>1 mm during exercise isdefinitely a positive criterion on the exercise ECG test. (D) Patho-logical Q waves occur with…

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Question

Options

AHyperacute T wave
BProlongation of the PR interval
CST-segment depression
DPathological Q wave

How the community answered

(26 responses)

A
4% (1)
C
88% (23)
D
8% (2)

Explanation

(A) Hyperacute T waves occur with hyperkalemia. (B) Prolongation of the P R interval occurs with first-degree AV block. (C) Horizontal ST-segment depression of>1 mm during exercise isdefinitely a positive criterion on the exercise ECG test. (D) Patho-logical Q waves occur with MI.

Topics

#stress test#ST-segment depression#ECG interpretation#ischemia

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