Vocabulary
a slow heart rate, less than 60 bpm
bradycardia
one of the two lower chambers of the heart
ventricle
name of the valve between the right atrium and right ventricle
tricuspid valve
decreased blood flow or blockage of a coronary artery is called an
ischemia
chest pain that typically occurs as a result of exertion & subsides when one rests
stable angina
circulation of oxygenated blood within an organ or tissue in adequate amounts to meet the cell's needs
perfusion
part of the autonomic nervous system that is referred to as 'rest & digest'
parasympathetic nervous system
name of the vessel that carries deoxygenated blood from the heart to the lungs
pulmonary artery
blood clot that is floating through blood vessels
thromboembolism (embolus)
chest pain that does not always subside even when rest
AMI
blood vessels that carry blood away from the heart
arteries
the amount of blood ejected with each ventricular contraction
stroke volume
name of the container that surrounds the heart
pericardial sac (pericardium)
medical name for a heart attack
acute myocardial infarction (AMI)
medical name for fainting
syncope
swelling in the body closest to the ground
pedal edema (dependent edema)
the complete absence of all electrical activity in the heart
asystole
natural pacemaker of the heart
sinoatrial node (SA node)
chest pain that exists temporarily while the heart is not getting enough oxygen
angina pectoris
medical name for the death of tissue
infarction
a group of symptoms caused by myocardial ischemia; includes angina and AMI
acute coronary syndrome (ACS)
the inside diameter of an artery or other hollow structure (the opening inside a vessel)
lumen
special characteristic of the cardiac muscle not found in any other type of muscle cells
automaticity
Hypertension is when the systolic blood pressure is greater than _____ and a hypertensive emergency is when the systolic blood pressure is greater than _____
130 mmHg; 180 mmHg
disorder in which calcium & fatty materials build up & form a plaque inside the walls of blood vessels, obstructing the flow of blood
Atherosclerosis