Occurs when a patient has a very low potassium level
What complex occurs when th ventricles contract?
the heart has ___ valves?
The two semilunar valves are?
pulmonic and aortic valves
Blood returning from the body to the hear enters the?
The _____ vena cava gets it’s blood from the head neck and upper extremities
The _____ is the innermost layer of the heart
_____ ______ ________ is a Condition when the heart cannot meet the demands of the body.
Congestive heart failure
the two entrance valves of the heart.
tricuspid and bicuspid valves
______ is the fibrous outer fluid filled layer that covers the heartand separates it from the contents in the chest cavity.
The EKG records the electrical impulses called.
contraction of the atrium on ekg
contraction of the ventricles on EKG
relaxation of the ventricles on EKG
the right and left atria are know as the
the blood on its way from the left atrium to the left ventricle it goes thro what valve?
the only way to oxygenate the blood id through the ____ and _____ in the lungs
alveoli and capillaries
the heart is separeted by the _____
the speed of the EKG is normally run is?
The color of the ground lead is?
What is the approximate diameter of the coronary arteries?
Another name for the bicuspid valve?
What is the purpose of the gel on the electrode?
the coronary arteries give nurishment to the ____.
The heart is about the size of your____
The heart functions as a ____ to pump blood to all the bodys cells.
If the blood slupply to the myocardium stops the area that doesn’t receive a blood supply ____.
What is the thickest layer of the heart?
The ____ _____ ___ brings blood from below the diaphragm
inferior vena cava
_______ is the only vein that carries high oxygen blood
the term for “rapid heart beat” is
left and right coronary arteries supply blood to the hear, flow is considered insuffcient if it cannot meet the needs of the heart.
The purpose of the _______ is to initate the heart beat and regulate the cardiac cycle
______ heart beats are generated from an impulse orginating some other place than the SA node
SA node is located on the upper wall of the _______
______ fuctions is to generate the stimulus to make the heart beat.