Electricity
The range of normal heart rates
What is 60-100 bpm
The chamber where deoxygenated blood first enters the heart
A cardiac event where any of the coronary arteries is occluded, causing portions of the heart muscle to die.
What is a Myocardial Infarction? (MI)
The blood vessel under the most pressure.
What is an artery?
The percentage of water in plasma
What is 90%
The pacemaker of the heart.
What is the SA Node?
The muscular layer of the heart wall.
What is the myocardium?
A condition where fluid surrounds the heart, preventing it from fully contracting.
What is pericardial tamponade?
Systolic BP minus Diastolic BP
What is pulse pressure?
The term meaning formation of red blood cells.
The ion most responsible for depolarization of an action potential.
What is Sodium (Na+)
Result of cardiac muscle becoming enlarged (usually from HTN) causing higher pressure in the chambers and an inability to fully eject the typical amount of blood out of the chambers.
What is congestive heart failure?
A condition of the cardiovascular system that can result in ascites and esophageal varices.
What is portal hypertension?
The type of vessel that capillaries connect to.
What are venules?
The most numerous white blood cell in circulation
What are Neutrophils?
The phase represented by P waves on an EKG
What is Atrial Depolarization
The artery connected distally to the axillary artery.
What is the brachial artery?
A condition meaning lack of oxygen resulting in tissue damage, but not yet irreversible tissue death.
What is ischemia?
The artery that primarily supplies the left atria and some of the left ventricle.
What is the Circumflex Artery?
The name for the cells in bone marrow that give rise to platelets
What are megakaryocytes
The connection between the left and right atria, to ensure they contract together. Disruption can cause atrial fibrillation.
What is Bachmann's Bundle
The purpose of the pericardium.
What is to anchor the heart to the chest wall
The effect of hyperkalemia on the heart.
What is decreased contractility?
The middle artery found on the aortic arch.
What is the Left Common Carotid?
A condition causing increased RBCs, platelets, and blood viscosity.
What is polycythemia?