(ECG, EKG) The standard ECG 12 provides various derivatives of the cardiac electrical activity that reflect the electrical potential differences between positive and negative electrodes; the electrodes are placed at the extremities and the chest wall. Six of these derivatives are arranged perpendicularly (they use frontal leads I, II and III as well as limb leads aVR, aVL and aVF), six are arranged horizontally (precordial leads V1, V2, V3, V4,…

September 3, 2018

What is Cardiology

October 13, 2014

The cardiovascular system encompasses the heart, blood vessels and nearly 5 liters of blood, that is constantly moved throughout the  blood viens, and vessels. Its primary responsibility is transporting oxygen, hormones and nutrients, throughout the the body. The heart, which is the size of a closed fist, must pump over 5 liters of blood throughout the body every minute. Cardiology is a medical discipline focused on dealing with heart disorders. This…