Who Discovered The Heart? We all know how the heart works, pumping blood around our body to all our organs. But this wasn’t always common knowledge, it’s thanks to 16th-century scientist, William Harvey that we discovered the real purpose of the heart. Who first discovered the heart? In Medicine’s 10 Greatest Discoveries, which I co-authored
What Does ST Segment Depression Mean? ST depression refers to a finding on an electrocardiogram, wherein the trace in the ST segment is abnormally low below the baseline. What does a ST segment depression on ECG signify? ST depression in ECG at entry indicates severe coronary lesions and large benefits of an early invasive treatment
What Area Of The Heart’s Electrical Conduction Is Known As The Pacemaker Of The Heart? The cells of the SA node at the top of the heart are known as the pacemaker of the heart because the rate at which these cells send out electrical signals determines the rate at which the entire heart beats
What Area Of The Heart Is Responsible For The Delay Of Conduction Between The Artrium And Ventricles? The AV node acts to delay the impulses by approximately 120ms, to ensure the atria have enough time to fully eject blood into the ventricles before ventricular systole. The wave of excitation then passes from the atrioventricular node