Miller Cardio Physiology

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In heart cells, the last cell to depolarize is the ______ cell to repolarize.
The right and left side of the heart are two pumps in ___________.
Autonomic control that decreases heart rate and conduction.
Bundle of His, Bundle Branches, and Purkinje System are _________ cells.
Preload or Afterload: Pressure that the ventricles need to have in order to eject blood.
What channel is open in the upstroke of action potential of conducting and contracting cells?
Increase in the amount of these channels increases the rate of depolarization.
a, c or v wave: atria contracting and pushing blood into the ventricles.
Counting the boxes between R waves, multiplying by 0.04s, taking an inverse, and multiplying by 60 is way to calculate ______ from an EKG.
This neurotransmitter is released by PNS and increases the number of K+ channels.
Velocity of Blood Flow = Flow / ______
This node sets the heart rate at 40-55 beats/min if the SA node fails.
There is a decrease in __________ in heart failure.
This organ has blood flow that is in series with all other organs.
a, c or v wave: passive filling of atria because the AV valve is closed.
This organ gets the most flow per gram tissue because it is a filtration system.
Systole or Diastole: Isovolumic relaxation, Filling of Ventricles, Atrial Contraction
Calcium ATPase is the _______active transporter of Calcium out of the cell.
An increase in _________ is a compensation for heart failure where the systolic function curve shifts back to the left.
a, c or v wave: ventricles contract and push back on the AV valve.
This type of muscle has a plug on SR that is taken out when Calcium binds to the T-tubule membrane.
Change in Pressure = Flow * _________
This organ extracts the most oxygen.
These valves shut at the beginning of Systole. S1.
What type of Calcium channel is open in the upstroke of Pacemaker action potential?
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Autonomic control that innervates only nodal cells and only controls heart rate. It does it through acetylcholine binding to muscarinic receptors.
The ST interval reads zero in EKG because all the cells are ___________.
The long action potential in cardiac muscle prevents the summation of twitches called ___________.
Slowest action potential in the heart is through these modified cardiac myocytes.
Aortic ______ is when the valve does not shut properly and the pressure drop is faster and more significant.
Aortic ______ is when the aorta narrows and ventricles have to generate pressure that is larger than normal.
Fastest action potential in the heart is through these fibers.
Name an electrical event that is not detected on an EKG.
Autonomic control that increases heart rate, conduction, and contractility.
Systole or Diastole: Isovolumic contraction, Ventricular Ejection
An increase in Reynolds number results in increased chance of ________ flow.
What interval is the time between ventricular depolarization and ventricular repolarization?
An increase in _________ is a compensation for heart failure where sympathetic stimulation of veins push more blood back to the heart.
________ Recoil prevents aortic pressure from falling.
What interval is the time between atrial depolarization and ventricular depolarization.
This channel in the pacemaker action potential opens when the membrane becomes more negative and does not inactivate.
These cells set the heart rate at 25-40 beats/min if the AV node fails
What type of Calcium channel is open in the slow depolarization of the Pacemaker action potential?
These organs have capillary beds that are in series.
These valves shut at the beginning of Diastole. S2.
Autonomic control that acts on nodal cells, ventricular muscles, and smooth muscles surrounding blood vessels.
The only way for a signal to get from atrium to ventricles is through this.
Amount of blood ejected by the ventricles.
In neurons, the first cell to depolarize is the ______ cell to repolarize.
This node sets the heart rate at 60-100 beats per minute.

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Created Jan 16, 2011ReportNominate
Tags:miller, physiology