Cardiovascular

Atrial fibrillation (AF or A-fib) is an abnormal heart rhythm characterized by rapid and irregular beating. Often it starts as brief periods o...

Blood flow is the continuous circulation of blood in the cardiovascular system. This process ensures the transportation of nutrients, hormones...

Blood pressure (BP) is the pressure of circulating blood on the walls of blood vessels. ... Normal resting systolic (diastolic) blood pressure...

Cardiovascular disease generally refers to conditions that involve narrowed or blocked blood vessels that can lead to a heart attack, chest pa...

Heart failure (HF), often referred to as congestive heart failure (CHF), occurs when the heart is unable to pump sufficiently to maintain bloo...

Coronary heart disease (CHD) is a disease in which a waxy substance called plaque builds up inside the coronary arteries. These arteries suppl...

Myocardial infarction (MI) or acute myocardial infarction (AMI), commonly known as a heart attack, occurs when blood flow stops to a part of t...

Heart rate is the speed of the heartbeat measured by the number of contractions of the heart per minute (bpm). The heart rate can vary accordi...

Heart rate variability (HRV) is the physiological phenomenon of variation in the time interval between heartbeats. It is measured by the varia...

Premature ventricular contractions (PVCs) are extra, abnormal heartbeats that begin in one of your heart's two lower pumping chambers (ventric...

Thrombosis is the formation of a blood clot inside a blood vessel, obstructing the flow of blood through the circulatory system. When a blood ...