…most important risk factors for poor outcomes. The vast majority of infections with COVID 19 result in mild disease, with symptoms similar to seasonal flu…

…than the right ventricle. This is the result of ventricular adaptation to the resistance that must be overcome by the ventricles. The left ventricle must…

…tissues and organs. A few decades later Cohnheim demonstrated that ligation of the left anterior descending artery in dogs resulted in myoardial infarction. An important…

…in all modern ECG machines. The result is based on the lead with the longest QTc duration (typically leads V2–V3). Causes of prolonged QTc…

…in the myocardium. The electrical potential difference exists between ischemic and normal myocardium and it results in displacement of the ST segment. The ST segment…

…That study spread like a virus through social media and it is likely that it may have resulted in increased mortality due to stopping statins…

…Thus, it is the same electrical vector that results in an r wave in V1 and q wave in V5. The third vector: the ventricular…

…be considered abnormal. A common cause of abnormally large T waves is hyperkalemia, which results in high, pointed and asymmetric T waves. These must be…

…Prolonged and pronounced ischemia leads to right ventricular infarction. Whether infarction develops or not, the dilatation, increased afterload and ischemia results in reduced right ven