Congestive heart failure: Difference between revisions

(Created page with "==Background== ===NYHA Classes=== 1) No Sx 2) Sx with every day activity 3) Severely limits activity 4) Sx at rest All classes = 5 yr mortality ~ 60% Classes III,IV = 1 ...")
 
No edit summary
Line 1: Line 1:
==Background==
==NYHA Classes==
 
 
===NYHA Classes===




Line 13: Line 10:
4) Sx at rest
4) Sx at rest


All classes = 5 yr mortality ~ 60%
 
Classes III,IV = 1 yr mort up to 70%
 
== ==
 


==Work-Up==
==Work-Up==




1. CBC
* Key Historical Questions
 
* History of heart failure?
2. ECG
* Have you been taking your meds?
 
* Any recent changes in medication?
3. CXR
* SOB while: lying flat, walking, middle of night?
 
* CP?
4. Chem 7
* Syncope?
 
* Studies
5. BNP?
* CBC (r/o anemia), chemistry
 
* ECG
6. If CP --> R/O
* CXR
 
* Troponin?
* BNP?
 
* <100 (90% Sn)
==DDX==
* > 500 (87% Sp)
 
* Elevated in:
 
* Elderly, kidney failure, PE
1. 'Neglected' chronic CHF
* Decreased in:
 
* Obese
2. MI
DDX
 
3. HTN Crisis
 
4. Acute valvular insuff
 
* endocarditis
* MV dysfx
* aortic dissection
* prothetic valve dyfx
5. Brady/tachy arrythmia
 
 
===Causes Decomp===
 
 
1. Medical noncompliance
 
2. Dietary noncompliance
 
3. Arrythmia
 
4. Infection
 
5. Anemia
 
6. Renal dysfx


7. ACS
* Cardiovascular
* ACS
* Acute valve dysfunction
* Aortic Dissection
* Dysrhthymia
* Endocarditis
* Hypertensive crisis
* Pericardial tamponade
* Pulmonary
* COPD
* PE
* PNA
* Other
* Pure volume overload
* Renal failure
* Post-transfusion
* Sepsis
===Causes of Decompensation===


8. Hyperthyroid
9. PE


* Medical noncompliance
* Dietary noncompliance
* ACS
* Dysrhythmia
* Uncontrolled HTN
* Infection
* Anemia
* Thyrotoxicosis
* PE
   
   


Line 82: Line 70:




1. CAD
* CAD
 
* HTN
2. HTN
* Cardiomyopathy
 
* Valvular
3. Cardiomyopathy
* High-output
 
* Post-partum
4. Valvular
 
   
   


Line 95: Line 81:




UNLOAD+
* UNLOAD+
 
* Upright Position
Upright Position
* Nitrates
 
* Consider nitroprusside if NTG ineffective
Nitrates
* Lasix  
 
* Oxygen
Lasix
* ASA
 
* Digoxin
Oxygen
* Indicated for a fib rate control
 
* ACEI
ASA
 
Dig (if indicated)
 
   
   


Enalapril
* Enalaprilat 0.004mg/kg as IVB or 1mg gtt over 2hr
 
* Avoid in pregnancy, hyperK+
BiPAP
* BiPAP
 
   
   


Line 140: Line 121:


9. Inadequate outpt support
9. Inadequate outpt support
10. (new-onset CHF of unclear etiology @Harbor)


   
   


==See Also==
See Also
 


Cards: CHF Meds
Cards: CHF Meds
Line 155: Line 133:




7/2/09  DONALDSON (adapted from Lampe)
EB Medicine, UpToDate, DONALDSON (adapted from Lampe)





Revision as of 23:38, 1 March 2011

NYHA Classes

1) No Sx

2) Sx with every day activity

3) Severely limits activity

4) Sx at rest


Work-Up

  • Key Historical Questions
  • History of heart failure?
  • Have you been taking your meds?
  • Any recent changes in medication?
  • SOB while: lying flat, walking, middle of night?
  • CP?
  • Syncope?
  • Studies
  • CBC (r/o anemia), chemistry
  • ECG
  • CXR
  • Troponin?
  • BNP?
  • <100 (90% Sn)
  • > 500 (87% Sp)
  • Elevated in:
  • Elderly, kidney failure, PE
  • Decreased in:
  • Obese

DDX

  • Cardiovascular
  • ACS
  • Acute valve dysfunction
  • Aortic Dissection
  • Dysrhthymia
  • Endocarditis
  • Hypertensive crisis
  • Pericardial tamponade
  • Pulmonary
  • COPD
  • PE
  • PNA
  • Other
  • Pure volume overload
  • Renal failure
  • Post-transfusion
  • Sepsis

Causes of Decompensation

  • Medical noncompliance
  • Dietary noncompliance
  • ACS
  • Dysrhythmia
  • Uncontrolled HTN
  • Infection
  • Anemia
  • Thyrotoxicosis
  • PE


Underlying Etiology

  • CAD
  • HTN
  • Cardiomyopathy
  • Valvular
  • High-output
  • Post-partum


Treatment

  • UNLOAD+
  • Upright Position
  • Nitrates
  • Consider nitroprusside if NTG ineffective
  • Lasix
  • Oxygen
  • ASA
  • Digoxin
  • Indicated for a fib rate control
  • ACEI


  • Enalaprilat 0.004mg/kg as IVB or 1mg gtt over 2hr
  • Avoid in pregnancy, hyperK+
  • BiPAP


Disposition

Admission Criteria (AHCPR '00)

1. ACS

2. Pulm edema/resp distress

3. O2 sat < 90% on room air

4. Severe complicating illness

5. CHF refractory to outpt therapy

6. Anasarca

7. Symptomatic hypotension or syncope

8. Arrythmia (e.g. new a. fib)

9. Inadequate outpt support


See Also

Cards: CHF Meds


Source

EB Medicine, UpToDate, DONALDSON (adapted from Lampe)