CORONARY HEART DISEASE Flashcards
liknked to blood supply
ischaemia
inadequate blood supply to an organ or part of the body, especially the heart muscles
function of the coronary artery
main function of the coronary arteries is to ensure that the heart muscle receives an adequate and continuous supply of oxygen and nutrients, as the heart itself requires a significant amount of oxygen to function properly.
infarction
death of tissue resulting from a failure of blood supply
deprivation of oxygen
causes of myocardial ischemia
Atherosclerosis
Embolus
Vasospasm in the coronary arteries
Vasculitis
atherosclerosis
a progressive condition characterized by the buildup of fatty deposits, cholesterol, and other substances on the inner walls of arteries
pneumonic is BAD HEART
risk factors of atherosclerosis
BMI
AGE
DIABETES
HYPERTENSION
ETHANOL
ALTERED LIPIDS
RELATIVES
TOBACCO
which type of cholesterol is accumulated in atherosclerosis
LDLs
difference in function between the HDLs and the LDLs
HDL is often referred to as “good cholesterol” because its primary function is to remove excess cholesterol from the bloodstream and transport it to the liver for excretion while LDL is often known as “bad cholesterol” because its primary function is to transport cholesterol from the liver to the cells and tissues
do the cells die during ischaemia?
no, as condition could be reversed if oxygen is supplied, but if the condition persists for long enough, the cells could die
The extent of damage depends on the duration and severity of the ischemic event.
involved in cholesterol synthesis
what is the mechanism of action of statins
Inhibition of the enzyme HMG CoA Reductase
some conditions that form part of the acute coronary syndrome
unstable angina
Non-ST Elevation Myocardial Infarction (NSTEMI)
ST Elevation Myocardial Infarction (STEMI)
coronary artery thrombosis
myocardial ischaemia
angina
type of chest pain or discomfort that occurs when there is reduced blood flow to the heart muscle
difference between stable and unstable angina respectively
Predictable chest pain or discomfort that occurs with physical exertion or stress and is relieved with rest or medication while unstable angina is Chest pain or discomfort that occurs at rest or with minimal exertion and is more severe, prolonged, or unpredictable. It may signal an impending heart attack.
name 3 symptoms of angina
chest pain
heavy weight on chest
diaphoresis