| A | B |
|---|
| SA NODE | 60 TO 100 B/M |
| AV NODE | 40 TO 60 B/M |
| PURKINJE FIBERS | 20 TO 40 B/M |
| POLARIZED | INSIDE OF CELL NEGATIVE |
| DEPOLARIZED | INSIDE OF CELL POSITIVE |
| SA NODE | LOCATED IN UPPER RIGHT ATRIUM |
| SA NODE | PACEMAKER |
| AV NODE | FLOOR OF RIGHT ATRIUM |
| AV NODE | 0.03 SECONDS |
| SA NODE | 0 SECONDS |
| AV JUNCTION | 0.04 SECONDS |
| BUNDLE BRANCHES | INTERVENTRICULAR SEPTUM |
| BUNDLE BRANCHES | 0.17 SECONDS |
| PURKINJE FIBERS | VENTRICULAR MYOCARDIUM |
| PURKINJE FIBERS | 0.20 TO 0.22 SECONDS |
| MYOCARDIAL CELLS | WORKING OR MECHANICAL CELLS |
| PACEMAKER CELLS | SPECIALIZED ELECTRICAL CONDUCTION CELLS |
| AUTOMATICITY | THE ABILITY OF PACEMAKER CELLS TO CREATE AN ELECTRICAL IMPULSE WITHOUT BEING STIMULATED |
| EXCITABILITY | ABILITY OF CARDIAC MUSCLE CELLS TO RESPOND TO AN EXTERNAL STIMULUS |
| CONDUCTIVITY | ABILITY OF CARDIAC MUSCLE CELLS TO RECEIVE AN ELECTRICAL IMPULSE AND CONDUCT IT TO AN ADJOINING CARDIAC CELL |
| CONTRACTILITY | ABILITY OF MYOCARDIAL CELLS TO SHORTEN, CAUSING CARDIAC MUSCLE CONTRACTION |
