what is the trigger for angina pectoris? (points : 0.5) course hero

by Christop Brekke 7 min read

Anything that causes your heart muscle to need more blood or oxygen supply can result in angina. Risk factors include physical activity, emotional stress, extreme cold and heat, heavy meals, drinking excessive alcohol, and cigarette smoking. What are the symptoms of angina pectoris? These are the most common symptoms of angina:

Full Answer

What is the trigger for angina pectoris?

Angina is caused by reduced blood flow to the heart muscle. Blood carries oxygen, which the heart muscle needs to survive. When the heart muscle isn't getting enough oxygen, it causes a condition called ischemia. The most common cause of reduced blood flow to the heart muscle is coronary artery disease (CAD).

What is angina pectoris * 1 point?

Angina, also known as angina pectoris, is chest pain or pressure, a symptom of coronary heart disease, usually due to insufficient blood flow to the heart muscle (myocardium). Angina is usually due to obstruction or spasm of the arteries that supply blood to the heart muscle.

What causes angina pectoris Class 11?

Angina Pectoris is a medical term for chest discomfort or pain as a result of coronary heart disease. It occurs when the heart does not receive sufficient blood, most probably due to one or more arteries of the heart getting blocked.

What is angina pectoris Class 11?

Angina pectoris: It is Cardiac pain/ chest pain that is caused by myocardial ischemia. It is also called angina pectoris. Myocardial ischemia occurs when blood flow to your heart is reduced, preventing the heart muscle from receiving enough oxygen. Ischemia is mainly due to hypoxia (lack of oxygen).

What is angina pectoris PDF?

Abstract. Introduction Angina pectoris is a medical condition that occurs when your heart receives a decreased amount of oxygenated blood. Often, this occurs due to deposits of cholesterol clogging the blood vessels that carry blood to your heart.

What are the three types of angina pectoris?

There are three types of angina:Stable angina is the most common type. It happens when the heart is working harder than usual. ... Unstable angina is the most dangerous. It does not follow a pattern and can happen without physical exertion. ... Variant angina is rare. It happens when you are resting.

What is angina pectoris in Shaalaa com?

Angina pectoris: It is the condition in which there is the pain in the chest which results from a reduction in blood supply to cardiac muscle due to narrowed and hardened coronary arteries.

What are the four types of angina?

Types of AnginaStable angina.Unstable angina.Microvascular Angina.Vasospastic or variant angina.

What is angina in biology?

Angina is chest pain caused by insufficient blood flow and oxygen to part of the heart muscle. Arteries that supply blood to the heart may be narrowed by fatty plaques and this (and oxygen supply) reduces blood flow.

What is atherosclerosis Class 11?

-Atherosclerosis is the disease that occurs in the wall of the artery which develops due to abnormalities. It is an abnormality in the functioning of the arteries of the heart.

How does myocardial infarction develop?

Myocardial infarction (MI) usually results from an imbalance in oxygen supply and demand, which is most often caused by plaque rupture with thrombus formation in an epicardial coronary artery, resulting in an acute reduction of blood supply to a portion of the myocardium.

What is cardiac output in anatomy?

Cardiac output (CO) is the amount of blood pumped by the heart minute and is the mechanism whereby blood flows around the body, especially providing blood flow to the brain and other vital organs.