Term
|
Definition
interventricular septum
both ventricles and bundle branches
apex of the heart |
|
|
Term
|
Definition
right posterior artery
SA/AV node
bundle of his |
|
|
Term
|
Definition
posterior R ventricle
diaphragmatic margin of both ventricles |
|
|
Term
| Right posterior descending |
|
Definition
posterior interventricular septum
inferior left ventricle |
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|
Term
|
Definition
after filling
end diastolic volume
increae stretch increase SV |
|
|
Term
|
Definition
| resistence the L vent. pushes against to empty chamber |
|
|
Term
|
Definition
| rate and intensity of heart contraction |
|
|
Term
|
Definition
ease with which the heart recieves blood
decreased compliance higher EDP
increased compliance lower EDP |
|
|
Term
|
Definition
vagus nerve
lowers tonic rate
ach |
|
|
Term
|
Definition
sympathetic chain
increases tonic firing
catecoimines NE ephidrines |
|
|
Term
|
Definition
| withdraw of vagus parasympathetic stim increases HR |
|
|
Term
| nerual control of trained person |
|
Definition
| increase invagus PS stim decreases resting HR |
|
|
Term
|
Definition
respond to changes in blood pressure
increase BP causes blood vessel stretch
lowers HR vasodialtion lowers BP |
|
|
Term
|
Definition
| Before exercising your heart rate increases because norepinephrine from sympathetic system is released, as well as epinephrine from adrenal gland |
|
|
Term
|
Definition
raise to the power of 4
decrease by 1/2 lowers flow by 16 fold |
|
|
Term
|
Definition
hypoxia
adenosine
increased temp
CO2
acidity
MG and K ions
all associated with increased muscular metabolism |
|
|
Term
|
Definition
vasoconstrictor
adrengic fibers |
|
|
Term
|
Definition
Vasodialtion
cholinergif fibers |
|
|
Term
|
Definition
increases HR
increased BP
Increase CO
increase venous Resist
due to symp outpowering |
|
|
Term
|
Definition
mechanical compression increase VR
increase HR
decrease TPR-vasodialation
increase CO
increase SV
increase Arterial P-contractility and VR increase before TPR decrease |
|
|
Term
|
Definition
| based on circulations ability to meet metabolic demands |
|
|
Term
|
Definition
CAD
obstruction w/o damage to heart tissue |
|
|
Term
|
Definition
CHD
obstruction w damage to the heart |
|
|
Term
| prinzmetal/varient angina |
|
Definition
ST elevation
occurs at rest often in AM
releived with activity due to vasodialtions
caused by spasm
releived with nitro |
|
|
Term
|
Definition
predictable
onset with exertion
often occurs at certain HR |
|
|
Term
|
Definition
symptoms in the absence of demands
higher mortality morbidity
a deterioration of stable angina
at rest abnormal response to activity |
|
|
Term
| cardiac muscle disfunction |
|
Definition
most common cause of CHF
inability to pump
left vent cant accept blood
supplemental O2 alter body position |
|
|
Term
|
Definition
not being treated with meds
dont passivly increase VR |
|
|
Term
|
Definition
treated with meds
passivley increaseing VR can reduce symptoms |
|
|
Term
|
Definition
congestion to lungs
presents with systemic edema |
|
|
Term
|
Definition
Congestion in systemic circulation
dyspnea cough |
|
|
Term
| cheyne stokes respiration |
|
Definition
| decompensation of normal breatrhing patterns |
|
|
Term
|
Definition
>120/80
HTN
Left vent hypertrophy
left vent less compliant
increase LVEDP load L atria |
|
|
Term
|
Definition
vent dialtion
no hypertrophy or vent wall thickning
increased LVEDV and LVEDP
decreases SV increases HR to compensate
s3-s4 gallop, cardiomegaly, murmur due to valve regurgitation |
|
|
Term
| hypertrophic cardiomyopathy |
|
Definition
increased mass without dialtaion
impairs vent filling
increase LVEDP |
|
|
Term
| restrictive cardiomyopathy |
|
Definition
| decreased filling due to rigid tissue decreased compliance |
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|
