Heart Failure Flashcards
1
Q
What 3 neurohormonal systems are activated in HF?
A
SNS, RAAS, ANP
2
Q
Major determinants of afterload?
A
Systolic BP
Size of ventricle
3
Q
4 drugs that save lives in HF
A
BAAS: Beta blockers, ARBs, ACE-I, Spironolactone
4
Q
What is the ejection fraction of chronic HF?
A
Normal
5
Q
What is the fluid volume in chronic HF?
A
Hypervolemia because RAAS has been activated
6
Q
What 4 things turn on RAAS?
A
RULT: Reduced renal perfusion, Upright posture, Low Na+ diet, Thermal stress (heat)
7
Q
Urine Na/K ratio of compensated HF?
A
> 1.0
8
Q
Urine Na/K ratio of decompensated HF?
A
<1.0
9
Q
Best treatment for CHF?
A
ACE-I
10
Q
Side effects of ACE-I?
A
Hyperkalemia, dry cough
11
Q
What else could you use in someone with CHF who is volume overloaded?
A
Diuretics- more effective when pts are supine
