Author: Johnson Francis

Our heart has four chambers and four valves. The valves are named as mitral valve, tricuspid valve, aortic valve and pulmonary valve. They prevent backflow of blood and

Blood vessels supplying oxygenated blood to the heart muscle are known as coronary arteries. The two important coronary arteries are the right coronary artery and the left main

Cardiac arrhythmia – Disorders of the heart rhythm Disorders of the heart rhythm are known as cardiac arrhythmia. Cardiac arrhythmia can be very mild insignificant disorders like an

Coarctation of aorta is a localized narrowing of the largest blood vessel of the body supplying oxygenated blood. It usually occurs in the upper part of the chest

Stress echocardiography is echocardiography done when the heart is under stress with exercise or medications. Echocardiography is imaging of the heart using ultrasound waves. An ultrasound beam is

Atrioventricular node (AV node) is an important part of the electrical conduction system of the heart. Normal functioning of the heart needs regular signal generation and transmission. Signal

Bradycardia and its causes Bradycardia just means a slowing of the heart rate. Slow heart rates are quite common in sleep as the body’s energy requirements are low. It

Angina pectoris is the medical term used to denote chest pain due to reduced blood supply to the heart muscle. It can also result due to a mismatch

Aneurysms are localized bulges in a blood vessel or chamber of the heart. Aneurysms can occur in almost any blood vessel and can be dangerous if they are

Ambulatory blood pressure monitoring Some fluctuation of blood pressure during daily activities are usual in all individuals. Blood pressure is lower during sleep at night. But some individuals