Hypokalemia causes U waves in the ECG seen as a positive wave just after ... A posterior wall MI shows ST depression, not elevation in leads V1 and V2 with an R:S ratio greater that 1 in lead ...
The six precordial leads are called leads V1, V2, V3, V4 ... T wave and U wave. Interval: The time between two specific ECG events. The intervals commonly measured on an ECG include the PR ...
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