Instructional Video8:35
Institute of Human Anatomy

How the Heart Contracts: Understanding the Electrical Activity and Heart Arrhythmias

Higher Ed
In this video, the teacher explains how the heart is able to contract dependably through its natural pacemaker, the SA node, and other specialized cells. The electrocardiogram (ECG) is also discussed as a highly effective method of...
Instructional Video7:35
JJ Medicine

Dysregulation of Cortisol and Aldosterone | Black Licorice and Associated Health Effects

Higher Ed
Black licorice consumption has been linked to hypertension, hypokalemia, heart arrhythmias, edema and lethargy. A recent report by the US FDA has stated that black licorice consumption of more than 56.7 grams per day for 2 weeks can...