Heart Attack/Mitral valve failure (concepts (cardiac output (stroke volume…
Heart Attack/Mitral valve failure
blockage in the coronary artery due to plaque build up.
60 y/o woman w/ history of obesity and DM 2
respiratory sinus arrythmia (RSA)
inhale: incr. HR
exhale: decr. HR
circulation through the blood vessels
vital role in pumping the
blood throughout the body completely.
blood pressure goes down when heart relaxes
increased blood pressure on the L. Atrium and veins coming from the lungs
fluid build up in lungs
risk of kidney damage
frequent urination; incontinence.
high blood pressure (pulmonary hypertension)
inadequate blood flow to extremities
inadequate blood flow to brain
dysautonomia; failure of the autonomic nervous system.
stroke volume X heart rate = cardiac output (4.7 L)
mean arterial pressure load
average blood pressure during one cardiac cycle
amount of blood pumped in one sitting
resistance of arteries to blood flow
the force the heart has to eject blood against
Dubb;closure of aortic and pulmonary artery at the end of systole
Lubb; closure of bicuspid and tricuspid valve at the start of systole
R/L atria and R/L ventricles
Atroventricular Valve and Semilunar valve
arteries, veins, and capillaries
tricuspid AV valve
pulmonary SL valve
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valve and papillary muscles role
contracting to prevent prolapse during systole
lack of calcium; negative chronotropic drugs