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Med Tech Cardio

A&P of the heart

thickest layer of the heart myocardium
receives oxygenated blood from the lungs left atrium
received blood from the left atrium left ventricle
smooth layer of cells that line the inside of the heart endocardium
Valve located between the left atrium and left ventricle Bicuspid(Mitral)
Valve located between the right atrium and right ventricle Tricuspid
what is it called when the heart rests? diastole
what is it called when the heart contracts systole
valve located between the left ventricle and aorta aortic valve
valve located between the right ventricle and pulmonary artery pulmonary valve
double layer membrane that lines the outside of the heart pericardium
group of nerve cells located in the right atrium SA Node
The electric impulse travels from the SA node to the _____ AV Node
The electric impulse travels from the AV node to the _____ Bundle of HIS
The electric impulse travels from the Bundle of HIS to the Right and Left bundle branches
The electrical impulse travels from the right and left bundle branches to the Purkinje Fibers
The electrical impulse starts? At the SA node
What does PMI stand for? Point of Maximal Impulse
Where is the PMI? 5th intercostal space midclavicular line, left of the sternum
Muscular wall that separates the heart into a right and a left side septum
Three main kinds of blood cells RBC's, WBC's, & Thrombocytes
Blood vessels that carry blood away from the heart are called? Arteries
Blood vessels that carry blood to the heart are called? Veins
Smallest branches of arteries are called Arterioles
Smallest branches of veins are called Venules
Connect arterioles with venules Capillaries
Red blood cells are called Erythrocytes
White blood cells are called Leukocytes
Aother name for thrombocytes Platelets
Main function of the leukocytes? Fight infection
How do leukocytes fight infection Phagocytosis- Engulf, digest and destroy pathogens
The sound heard when taking a blood pressure is called? Korotkoff sound
When taking an Apical Pulse you hear? The opening and closing of the heart valves.
What is S1 and S2? The sound made by the opening and closing of the valves
What is the range for a normal heart rate? 60-100 beats per minute
A heart rate of 45 is called? Bradycardia
A heart rate of 120 is called? Tachycardia
What is the name of the instument used to take a blood pressure? Sphygomanometer
When you palpate a pulse what are you feeling? An artery
When you take a pulse or a bp what part of the heart is the blood coming from? The left ventricle
What is a blood pressure? The force of blood against an arterial wall
What are the names of the blood proteins necessary for clotting? Prothrombin and Fibrinogen
What is the name of the protein that carries oxygen? Hemoglobin
What is unique about Hemoglobin? It gives blood it's red color.
What vein has more oxygen than the rest of the veins in the body? Pulmonary vein
What blood cell lives approximately 120 days? RBC's
What blood cell lives 3-9 days? WBC's
The right side of the heart pumps blood to the ? LUNGS
The outer layer of the heart is the? Epicardium
The left side of the heart pumps blood to the? Body
What is the function of the Coronary Vessels? Provide oxygen to the myocardium
What vessel delivers oxygen to the myocardium? Coronary Arteries
What collects the deoxygenated blood in the myocardium? Coronary Veins
What coronary artery is the largest and considered the "widow maker"? Left coronary artery
What are the three largest coronary arteries? R and L coronary arteries and the circumflex
Created by: Ms. Blair