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18 Cards in this Set

  • Front
  • Back
HFrEF is characterized by what?
Dilated cardiomyopathy, the ventricles are dilated; dilatation causes thinner muscle and therefore reduced contractility.
Causes
CAD (80%)
HTN
DM
ETOH "alcoholic cardiomyopathy"
VIRAL INFECTIONS
CHEMOTHERAPY
Chemotherapy Agents causing HFrEF
Doxirubacin, Trastuzamab
Clinical findings of HFrEF
s3 murmur, JVD ,dyspnea
peripheral edema
parox nocturnal dyspnea
orthopnea (?how many pillows used at night)
fatigue
Diagnosis
Chest Xray (cardiomegaly-- nonspecific but indicative.... pulmonary edema-- nonspecific but indicative)

BNP - can be falsely low in obese pts, secreted by myocardium, also, elevated in an exacerbation

ECHOCARDIOGRAM - u/s of heart :: dilated chamber, EF percentage,
NYHA Heart failure classifications
class 1 : asymptomatic
class 2: SOB c ADLS
class 3: slightest activity will cause SOB
class 4: SOB at rest
ACC/AHA stages of heart failures
stage A: high risk, no structure or functional abnormalities
Stage B: structural abnormalities, asymptomatic
Stage C: symptoms are now present
Stage D: very severe symptoms even with medical optimization
HFrEF Med Mgmt DIURETICS

Monitor for WHAT when on diuretics
Diuretics

symptom relief only. they do not relieve morbidity and mortality EXCEPT FOR SPIROLACTONE

-loop diuretic (lasix)
-thiazide diuretic (metolazone)
-aldosterone blockers (aldactone)
-sequential nephron blockade

MONITOR WEIGHT & LYTES
HFrEF ACE INHIBITORS ('PRILS)

Monitor for WHAT when on ACE Inhibitors?
1st line therapy for reduced EF: ACE inhibitors

decrease symptoms
reduce ventricular size
increase ejection fraction
decrease risk for IM

MONITOR FOR: Cough, angioedema, hypotension, crt, K+
ARB's (angiotensin receptor blockers) ('sartans)
similar benefits to ACE inhibitors

alt tx to ACE inhibitors

controversy to ACE/ARB combo (inc risk of hyperK+)
risky, no proven benefits to combo
Beta Blockers (olol's)

WARNINGS AND CONTRAINDICATIONS

MONITOR FOR??
Improved systolic function
inc EF 5-10%
reduced symptoms
decreased risk of mortality

NEVER START OR STOP DURING AN EXACERBATION!!!
CONTRAINDICATED IN ASTHMA OR 2nd or 3rd AV BLOCK!!!! (bronchoconstriction, worsens av block)

MONITOR FOR: bradycardia, hypotenion, bronchospasm
aldosterone blockers
reduction in mortality, symptoms, hospitalization

def add to anyone stage 3 or 4 HF

Monitor: K+, BP, Crt
For Afro Americans
Hydralazine with Isosorbide Dinitrate

Reduces hospitalization but NOT mortality
MEDS TO AVOID IN PTs WITH HFrEF !!!
AVOID Thiazolidinediones (DM MED) (ACTOS)

ANTI-ARYTHMICS

NSAIDS
MAKE SURE FLU AND PNA ARE UP TO DATE!!
MAKE SURE FLU AND PNA ARE UP TO DATE
Consider ICD therapy
decreased risk for sudden cardiac death

INDICATIONS: EF < 35 % , survival of > 1 yr
Consider Atrial Synchronized Biventricular Pacing

(different set of indications)
very severe HF increased risk conduction delays

Indications:
NYHA stage 3 or 4 despite max therapies
EF < 35%
Sinus Rhythm
QRS must be wide, greater than 120msec
CARDIAC REHABILITATION

Cardiac rehabilitation (rehab) is a medically supervised program that helps improve the health and well-being of people who have heart problems.

Rehab programs include exercise training, education on heart healthy living, and counseling to reduce stress and help you return to an active life.
improves symptoms and quality of life but does not improve mortality

Cardiac rehabilitation (rehab) is a medically supervised program that helps improve the health and well-being of people who have heart problems.

Rehab programs include exercise training, education on heart healthy living, and counseling to reduce stress and help you return to an active life.