Term
| the three layers of the heart |
|
Definition
endocardium, myocardium, epicardium |
|
|
Term
| the top layer of the heart |
|
Definition
|
|
Term
| the middle layer of the heart |
|
Definition
|
|
Term
| the outermost layer of the heart |
|
Definition
|
|
Term
| the heart is supported by a sling-like sturcture called the |
|
Definition
|
|
Term
|
Definition
|
|
Term
| the atrioventricular valves are |
|
Definition
| tricuspid and bicuspid(mitral) |
|
|
Term
| the SA node is called the |
|
Definition
|
|
Term
| in PQRST what does the P stand for |
|
Definition
| the SA node firing also known as the atrial depolarization |
|
|
Term
| in PQRST what does the QRS stand for |
|
Definition
| ventricular depolarization |
|
|
Term
| in PQRST what does the T stand for |
|
Definition
| ventricular repolarization |
|
|
Term
| purkinje fibers cause what |
|
Definition
|
|
Term
| pathway for cardiac output |
|
Definition
SA node, atrial conducting fibers, AV node, bundle of His, bundle of branches(lt and rt), purkinje fibers |
|
|
Term
the tricuspid valves separates what two structures |
|
Definition
| the rt atrium and the rt ventricle |
|
|
Term
| the bisuspid valve (mitral valve) separates what two sturctures |
|
Definition
| the lt atrium and the lt ventricle |
|
|
Term
|
Definition
| the sequence of events that occurs during one heartbeat |
|
|
Term
| the three stages of the cardiac cyle is |
|
Definition
| atrial systole, venticular systole, diastole |
|
|
Term
|
Definition
the amount of blood pumped by each ventricle in 1min |
|
|
Term
to determine the cardiac output the formula is |
|
Definition
| cardiac output= heart rate X stoke volume |
|
|
Term
|
Definition
| 60 to 80ml per min about 2ounces |
|
|
Term
|
Definition
pt who are in bradycardia "brady-down" |
|
|
Term
| another way to incease stroke volume is by |
|
Definition
| strengthening the force of myocardial contraction without stretching the myocardial fibers |
|
|
Term
| digoxin is the most famous drug of |
|
Definition
|
|
Term
| a (-) inotropic effects is |
|
Definition
| a decrease in the force of contraction |
|
|
Term
a (+) inotropic effect is |
|
Definition
| a increase in the force of contraction |
|
|
Term
|
Definition
| fluid is backed up into the lungs |
|
|
Term
|
Definition
| can't pump adequate blood to the systemic circulation |
|
|
Term
| the cardiac impulse slows as it moves where |
|
Definition
| through the AV node into the bundle of His |
|
|
Term
|
Definition
| the amount of blood pumped by the ventricle per beat |
|
|
Term
| the end diastolic volume refers to |
|
Definition
| the amount of blood in the ventricle at the end of its resting phase |
|
|
Term
| the end-diastolic volume determines |
|
Definition
| how much the ventricle is stretched and is the basis of Starlings law of the heart |
|
|
Term
|
Definition
|
|
Term
|
Definition
|
|
Term
|
Definition
| in the upper posterior wall of the rt atrium |
|
|
Term
|
Definition
| on the floor of the rt atrium near the interatrial septum |
|
|
Term
| the bundle of his breaks down into |
|
Definition
|
|
