EKG PART 1. Matching
| The cell is more positive, a reversal od changes at the cell membrane so that he inside of the cell becomes positive in relation to the outside. |
| How many seconds is a small box and a big box on a EKG |
| Purkinje system firing rate |
| What happens when stroke volume decreases? |
| The systemic vascular resistance will increase to maintain blood pressure and heart rate will increase |
| What might pulseless paradox mean? |
| Tamponade, adhesive pericarditis and sever ling disease and advanced heart failure |
| The hearts two sets of valves |
| Atrioventricular and semilunar |
| Describe the s2 heart sound |
| produced by the closure of the aortic and pulmonary valves |
| Relative refractory period |
| a period in the cardiac cycle when a sufficently strong stimulous may produce depolarization |
| The middle layer of arteries and veins |
| Tunica media it consists of elastic fibers and muscle |
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