ECG 1a. The ECG above was recorded at the beginning of the treamill exercise test.


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ECG 1b. The ECG above was recorded at the 5th minute of the treadmill exercise test. In lead II, amplitude of the P wave
increased and PR segment showed downsloping depression.


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ECG 2a. The ECG above belongs to a patient with coronary artery disease. During ischemic chest pain, ST segment elevation
developed in inferior leads.


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ECG 2b. After 15 minutes chest pain disappeared and the ECG no longer shows ST segment elevation.


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ECG 3a. The above ECG does not show any ST segment changes immediately before the start of treadmill exercise.


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ECG 3b. After 2 minute and 50 seconds of the start of the exercise test,
ST segment elevation in inferior leads develops.
Generally, observation of ST segment elevation in any lead during treadmill exercise test suggests ischemia in the related
territory of the myocardium.


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ECG 3c. Twenty seconds after termination of the test (recovery period), the
ST elevation in inferior leads still persists.
The persistence of ECG changes even in the recovery period suggests significant ischemia.


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ECG 3d. The ECG above was recorded 2 minutes and 20 seconds after the termination of exercise. ST segment elevation in
inferior leads has disappeared.


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Figure 1. Coronary arteriography was performed immediately after the treadmill exercise test and showed
%99 stenosis in right coronary artery (RCA) .
Usually, the observation of ST segment elevation in any lead during a
treadmill exercise test suggests ischemia in the related territory of the myocardium.






ECG 4. Bidirectional VT during the peak exercise of a patient with CPVT.

Dr. Andrew Krahn has donated the above ECG to our website.

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ECG 5a. The ECG above belongs to a 51 years-old man. It was recorded immediately before the start of the treadmill exercise.


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ECG 5b. After 5 minutes and 28 seconds, the ECG showed
ST segment elevation in inferior leads . The test was terminated
immediately and he was sent to the coronary angiography laboratory. Angiography showed 95% stenosis in the Circumflex (Cx)
coronary artery. Usually, the observation of ST segment elevation in any lead during a treadmill exercise test suggests
ischemia in the related territory of the myocardium.

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