Heart Anatomy
Name the four chambers of the heart
Right atrium, left atrium, right ventricle, and left ventricle
Blood flows from the right atrium to the right ventricle through which valve?
tricuspid valve
What is another name for high blood pressure?
hypertension
Which test measures the electrical activity of the heart?
EKG/ECG
Name a lifestyle change to lower blood pressure
Reducing sodium intake or exercising regularly
What is the muscular layer of the heart called?
myocardium
Which vessels return oxygen-rich blood to the left atrium?
pulmonary veins
Plaque buildup in arteries leading to reduced blood flow is called what?
coronary artery disease (CAD)
This test evaluates heart function during physical activity.
stress test
What type of medication lowers cholesterol levels
Statins
Which valve is located between the left atrium and left ventricle?
mitral valve
Where does oxygen exchange occur in the circulatory system
capillaries
Irregular heart rhythms are called what?
arrhythmias
What does an echocardiogram use to visualize the heart?
ultrasound
This procedure uses a balloon to open blocked arteries.
Angioplasty
Name the vessels that supply oxygenated blood to the heart muscle itself.
coronary arteries
What is the largest artery in the body?
aorta
What happens during a myocardial infarction?
A heart attack caused by a blockage in coronary arteries
Blood pressure readings include these two numbers.
systolic and diastolic pressures
This device regulates abnormal heart rhythms.
Pacemaker
What structure initiates the electrical impulse that sets the heart's rhythm?
sinoatrial (SA) node
What type of blood does the pulmonary artery carry, and where does it go?
deoxygenated blood, and it goes to the lungs
What condition is characterized by the heart not pumping blood effectively?
Heart failure
Which invasive procedure uses a catheter to visualize heart arteries?
Angiography
A surgical procedure that reroutes blood around a blocked artery.
Coronary artery bypass grafting (CABG)