A change of heart
How much blood does the heart pump in a minute?
5.25 liters per minute
What are the three layers of the heart?
Epicardium, Myocardium, and Endocardium
What is congestive heart failure?
It is not pumping effectively
Why is aspirin used when someone is suspected to be having a heart attack?
To thin the blood
What do the P waves in the heart beat represent?
Depolarization of the atria
The thoracic cavity is also known as
mediastinum
What is pericarditis
Inflammation or infection of the pericardium
Coronary arteries become clogged with ____ and cause heart attacks
plaque
If left untreated coronary artery disease can lead to...
A heart attack (myocardial infarction)
What does the QRS waves in a heart represent?
Depolarization of the ventricles
Where does the blood from the veins go
TO the heart
The right side of the heart pumps deoxygenated blood to the lungs. What kind of circulation is this?
Pulmonary circulation
What is the leading cause of death worldwide?
Coronary Artery Disease
Cardiac arrest occurs when the heart suddenly stops beating due to an....
An electrical malfunction
What is it when the heart rate is slower than normal?
Bradycardia
Where does the blood from the arteries go
AWAY from the heart
How many coronary arteries are there in the heart?
2
What is it called when doctors use dye to see the blockages of the coronary arteries?
coronary angiogram
In extreme cases of heart failure what device will be used while waiting for a transplant?
Ventricular Assist Device (VAD)
What is it when the heart rate is faster than normal?
Tachycardia
What is the term for when exercise increases the size of the individual cells without increasing the numbers in the heart?
Hypertrophy
The larger anterior interventricular artery (LAD)
What is the procedure that inserts a balloon in the artery to put in a stent?
Angioplasty
What does an electrocardiogram do
Able to record the electrical signal of the heart
What is happening when the heart fibrillates?
It is not contracting normally.