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Oct. 16 Lecture
Part 2
24
Nursing
Graduate
10/16/2014

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Term
FOR AORTIC STENOSIS WHAT IS THE PAUSE BETWEEN S1 AND WHEN WE START HEARING THE MURMUR?
Definition
ISOVOLUMETRIC CONTRACTION PHASE
Term
FOR AORTIC STENOSIS WHICH PRESURE IS HIGHER?
Definition
THERE IS AN INCREASE IN VENTRICULAR PRESSURE
Term
WHY IS THE VENTRICULAR PRESSURE RISING WITH AORTIC STENOSIS?
Definition
THE BARORECEPTORS. DON'T THINK OF CARDIAC DYNAMICS BEING REGULATED BY PRESURE IN THE VENTRICLES. IT IS REGULATES BY PRESSURE IN THE ARTERIES
Term
WHAT IS OUR B/P GOING TO BE WITH AORTIC STENOSIS?
Definition
NORMAL ALTHOUGH SYSTOLIC MIGHT BE A LITTLE LOW.
Term
FOR AORTIC STENOSIS WHICH PEAK COMES FIRST?
Definition
WE END UP WITH A PEAK IN LVP PRIOR TO PEAK IN AORTIC PRESSURE. THE AORTIC PRESSURES DEVELOP PRESSURES MORE SLOWLY THAN VENTRICULAR PRESSURE.
Term
WHY DOES THE AORTIC PRESSURE WITH AORTIC STENOSIS DEVELOP PRESSURES MORE SLOWLY?
Definition
STENOSIS
Term
HOW DO WE MEASURE THE SEVERITY OF AORTIC STENOSIS?
Definition
MEASURE THE DIFERENCE BETWEEN LVP AND AORTIC PRESSURE DURING PEAK SYSTOLE. THE LARGER THE GRADIENT THE MORE SEVERE THE STENOSIS.
Term
WHAT TYPE OF MURMUR SOUND DO YOU HEAR WITH MITRAL STENOSIS?
Definition
DECRESCENDO/CRESCENDO. THE MURMUR GETS QUIETER AND AT THE END GETS LOUDER.
Term
FOR MITRAL STENOSIS WHAT IS THE SOUND FROM THE ATRIAL KICK?
Definition
WHEN WE HAVE ATRIAL KICK AND MITRAL STENOSIS THERE IS TURBULENT FLOW ALL OVER AGAIN. WE HAVE A DECRESCENDO CRESCENDO.
Term
FOR MITRAL STENOSIS WHAT IS THE ATRIAL PRESSURE DOING?
Definition
IT IS INCREASES THROUGHOUT THE ENTIRE CARDIAC CYCLE.
Term
HOW DO WE MEASURE SEVERITY OF MITRAL STENOSIS?
Definition
THE MORE SEVERE THE STENOSIS THE HIGHER THE LAP.
Term
WHAT IS THE AFTERLOAD WITH AORTIC REGURGITATION?
Definition
IT IS DECREASED SOMEWHERE BETWEEN 45-50 DEPENDING.
Term
IS THERE A DICROTIC NOTCH WITH AORTIC INSUFFICENCY?
Definition
NO BECAUSE THERE IS NO AOV CLOSURE. THERE IS A DECREASE IN AOEDP.
Term
WHAT TYPE OF SOUND DO YOU HEAR WITH A AORTIC INSUFFICIENCY?
Definition
DECRESCENDO MURMUR.
Term
HOW DO WE MEASURE SEVERITY OF MITRAL INSUFFICENCY?
Definition
LEFT ATRIAL PRESSURE.
Term
WHAT IS WRONG WITH THE MITRAL INSUFFICIENCY GRAPH?
Definition
THE V WAVE. MITRAL STENOSIS IS ELEVATED THROUGH ENTIRE CARDIAC CYCLE. THE V WAVE WITH MITRAL INSUFFICENCY IS ONLY ELEVATED DURING VENTRICULAR SYSTOLE. AS INSUFFICIENCY BECOMES MORE AND MORE SEVER THE SLOPE OF THE V LINE IS GOING TO INCREASE.
Term
WHERE IS MORE THAN HALF OF THE ENTIRE BLOOD VOLUME LOCATED AT?
Definition
IN THE SYSTEMIC VENOUS CIRCUIT.
Term
HOW MUCH CO DOES THE LUNGS RECEIVE?
Definition
LUNGS RECEIVE AS MUCH BLOOD AS ENTIRE REST OF BODY ADDED TOGETHER. IT IS 100% OF CO.
Term
HOW DO WE GET REDISTRIBUTION OF CO?
Definition
VASODILATE ACTIVE BEDS AND VASOCONSTRICT INACTIVE BEDS.
Term
WHICH AREA OF THE BDY HAS THE GREATEST AMOUNT OF TOTAL CROSS SECTIONAL AREA?
Definition
THE CAPILLARIES
Term
WHERE IS THE PRESSURE DROP GREATEST AMONG?
Definition
THE ARTERIOLES. THAT IS THE SITE OF VASCULAR RESISTANCE
Term
DOES THE VENOUS SYSTEM HAVE TO HAVE MUCH LOWER PRESSURE THAN THE CAPILLARIES?
Definition
YES. IF NOT YOU END UP WITH RETROGRADE FLOW.
Term
WHAT IS THE FORMULA FOR VOLTAGE?
Definition
CURRENT X RESISTANCE V = IXR
Term
TALKING ABOUT FLOW OF ELECTRONS THROUGH A WIRE. WHAT DETERMINES THE FLOW?
Definition
THE VOLTAGE. HOW MUCH FLOW DO I HAVE DEPENDS UPON RESISTANCE.
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