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20 Cards in this Set

  • Front
  • Back
Pulmonary System
Low pressure system
Systemic Circ System
High pressure circ
A-V valve location
Between atrium and ventricles
Tricuspid Valve
Between right atrium and the right ventricle
Bicuspid Valve
Between left atrium and left ventricle
When do av valves open
ventricular diastole
When do av valves close
ventricular systole
Where are pulm sl valves located
between right ventricle and right pulm artery
Where are the aortic sl valves located
between the left ventricle and the aorta
Where is the av node located
The crux = at the two anatomic grroves at post side of heart
What happens with damage to chordae tendinae or paillary muscles
Backflow of blood into atrium leading to prolapse or regurgitation during ventricular systole
What is a regurgitation
It's a problem with closure, valve is not closing properly
Mitral regurgitation affects what
It's an av valve so it affects (closure), and av valves close during ventricular systole
Aortic regurgitation affects what
It's an sl valve -regurg, so it affects closure during ventricular diastole
What is stenosis
It affects opening of the valve, decreasing amount of blood coming through
what is mitral stenosis
It is a problem of blood flow though an open valve (av valves open on ventricular diastole)
When does blood flow to the myocardium
Blood enters the coronary arteries on diastole
What is preload
Degree of myocardial stretch before contractions(at diastole) left ventricular edv
What is preload based on
Amount of venous return and ejeciton fraction
What may cause contractility to increase(meds)
calcium or epinephrine