anp lab 7 heart dynamics

What does the intrinsic conduction system do

what does the intrinsic conduction system consist of

what do autorythmic cardiac cells do

mass of autorythmic cells located in the right atrial wall near the entrance of the superior vena cava 

mass of autorhythmic cells located in the inferior portion of the internal septum abouve the tricuspid valve 

autorhythmic cells located in the inferior part of the interatrial septum the only electrical connection between atria and ventricles 

Two branches resulting from a splitting of the AV bundle conveys impulses down the interventricular septum

Fibers that run through the interventricular septum, penetrate the heart apex, turn superiorly and ramify in the ventricular walls 

what does the P wave represent 

what does the QRS complex represent

the doe the T wave represent

tracing on an ECG that results from the movement of the depolorization wave from SA node through Atria. it lasts about 0.08 Secs. atrial contraction follows

Tracing on an ECG that results from the ventricular depolorization. Atrial repolorization also occurs during this time. Lasts about 0.08 sec ventricular contraction follows

Tracing on an ECG caused by ventricular repolorization. It lasts about 0.10 secs ventricular relaxation follows

what does the cardiac cycle include 

what do heart valves do in response to differences in pressure on thier two sides

what are the 3 phases of the cardiac cycle

describe the flow of blood into the atria at the start of ventricullar filling
are the valves open or closed at this point

where does the blood go after it passes the AV valve

at this point is the pressure higher or lower in the ventricles

what happens when the atria contract

what happens to interventricular pressure when the ventricles contract

what happens to the AV valves when the ventricles contract 

what does rising ventricular pressure open

what happens when semi lunar valves are forced open 

what happens during isovolumetric relaxation

what does blood do during isovolumetric relaxation

what happens to the semilunar valves during isovolumetric relaxation

describe the ventricles after the semilunar valves close during isovolumetric relaxation 

what have the atria been doing while the ventricles have been contracting and relaxing during isovolumetric relaxation

what happens to the AV valves when atrial pressure exceeds ventricular pressure 

describe the contraction of the atria 

describe the contraction of the ventricles

what do pressure changes reflect 

what does blood move along

describe the pressure gradient blood moves along

what do pressure changes cause

what does the opening and closing of the heart valves result in 

what is cardiac output 

what 2 variable is cardiac output related to

what si the equation for cardiac output 

what is heart rate 

what is the average heart rate 

what is stroke volume

what is the average stroke volume 

what is stroke volume 

what is the equation for stroke volume

what is the equation for stroke volume using average values

what is end diastolic volume (EDV) 

what is end systolic volume (ESV)