Hypokalemia and its effect on the heart

This is an ideal video to understand the effect of hypokalemia on the heart. Beginning of the video deals with normal potassium activity and maintenance. Later, it teaches the cardiac effects of hypokalemia along with the treatment options. Timeline 0:00 Introduction 0:05 Definition 0:10 Normal level of potassium 1:00 Mechanism of maintenance of potassium 1:21 Hypokalemia 1:46 Most common cause 2:08 Symptoms 2:20 Effect on action potential 2:45 Effect on heart 3:57 ECG changes 4:15 Treatment