Exam 2 Flashcards
Extrinsic Blood Clot Pathway
Release of Tissue Plasminogen Activator—> Prothrombin Activator Complex
Phase 0
- Caused by rapid influx of Na+ (depolarization)
- Inc. in Na+ permeability
Phase 1
- Dec. in Na+ permeability
- Inc. in K+ permeability
Phase 2
- Inc. in Ca++ permeability
- Ca++ influx
- Dec. in K+ permeability
Phase 3
- relative inc. in K+ permeability
- efflux of K+
- Repolarization
Gap Junctions
Allow for electrical activity to pass from one cell to the next
P Wave
Atrial Depolarization
QRS Complex
Ventricular Depolarization
T wave
Ventricular Repolarization
1st Degree Block
Increase in PR interval
Slowing in trio to ventrical
2nd Degree Block
Some P waves are not followed by a QRS complex
3rd Degree Block
No relationship between P waves and QRS complex
____ is released by the _____ at high altitudes and stimulates the production of RBCs
Erythropoietin, Kidneys
Cardiac Output
Heart Rate x Stroke Volume
Stroke Volume
mL pumped per beat