CHF and Acute HF Newman Flashcards
CHF
Salt and water retention. Water in lungs, water in legs. Low ejection fraction
3 extra liters
pitting edema
10-20 liters
leg edema
30 liters
pulmonary edema
Orthopnea occurs at what ejection fraction?
20%
contraindications to heart transplant
over age 64, drug addict, non-compliant
Whats the main CHF drug
ACEi
What must you watch for most with ACEi?
Hyperkalemia
Three causes of acute heart failure
Acute MI, exacerbation of Chronic HF, post-operative
Most common cause of sudden cardiac death is
Ventricular fibrillation
Resting Potential for Na fast action potentials? Threshold
-90, -60 to -70
Resting potential for Slow currents
-40 to -70, threshold is -30 to -40
SA node- P wave AV node- PR interval Septum- Q wave Ventricles- RS Repolarization- T
ok
Bundle Branch Block shows what kinda QRS complex
Wide
Wolf Parkinson Whie
Hank Gathers…supraventricular tacchycardia