Congestive Heart Failure Flashcards
What is Congestive Heart Failure?
The inability of the heart to fill with blood or pump blood
What is another name for CHF?
Pump Failure of the Heart
What does Right Sided HF affect in the body?
Systemic circulation
What occurs in Right Sided HF?
Backflow of blood into SVC and IVC
What are the manifestations of Right Sided HF?
- Jugular Vein Distention
- Anasarca
- Hepatomegaly
- Splenomegaly
What does Left Sided HF affect in the body?
Pulmonary circulation
What occurs in Left Sided HF?
Backflow of blood to the lungs
What are the manifestations of Left Sided HF?
- Pulmonary Congestion
- Rhales and crackles
- Moist cough
- Dyspnea and orthopnea
What does the Left Sided HF cause?
Poor cardiac output
What does poor cardiac output affect?
- Kidneys
- Brain
- Muscles
PATHOPHYSIO OF RAAS
- Low Cardiac Output and Blood Pressure
- Kidneys produce Renin
- Angiotensin converts to A1
- A1 stimulates Lungs to produce Angiotensin Converting Enzyme
- ACE converts A1 to A2
- A2 increases BP and releases aldosterone
- Aldosterone promotes sodium reabsorption and water retention
Renin is converted to Angiotensin
PATHOPHYSIO OF RAAS
- Low Cardiac Output and Blood Pressure
- Kidneys produce Renin
- Renin is converted to Angiotensin
- Angiotensin converts to A1
- ACE converts A1 to A2
- A2 increases BP and releases aldosterone
- Aldosterone promotes sodium reabsorption and water retention
A1 stimulates Lungs to produce Angiotensin Converting Enzyme
PATHOPHYSIO OF RAAS
- Low Cardiac Output and Blood Pressure
- Kidneys produce Renin
- Renin is converted to Angiotensin
- Angiotensin converts to A1
- A1 stimulates Lungs to produce Angiotensin Converting Enzyme
- ACE converts A1 to A2
- A2 increases BP and releases aldosterone
8.
Aldosterone promotes sodium reabsorption and water retention
PATHOPHYSIO OF RAAS
- Low Cardiac Output and Blood Pressure
- Kidneys produce Renin
- Renin is converted to Angiotensin
- Angiotensin converts to A1
- A1 stimulates Lungs to produce Angiotensin Converting Enzyme
- A2 increases BP and releases aldosterone
- Aldosterone promotes sodium reabsorption and water retention
ACE converts A1 to A2
PATHOPHYSIO OF RAAS
- Kidneys produce Renin
- Renin is converted to Angiotensin
- Angiotensin converts to A1
- A1 stimulates Lungs to produce Angiotensin Converting Enzyme
- ACE converts A1 to A2
- A2 increases BP and releases aldosterone
- Aldosterone promotes sodium reabsorption and water retention
Low Cardiac Output an Blood Pressure
PATHOPHYSIO OF RAAS
- Low Cardiac Output and Blood Pressure
- Kidneys produce Renin
- Renin is converted to Angiotensin
4. - A1 stimulates Lungs to produce Angiotensin Converting Enzyme
- ACE converts A1 to A2
- A2 increases BP and releases aldosterone
- Aldosterone promotes sodium reabsorption and water retention
Angiotensin converts to A1
PATHOPHYSIO OF RAAS
- Low Cardiac Output and Blood Pressure
- Kidneys produce Renin
- Renin is converted to Angiotensin
- Angiotensin converts to A1
- A1 stimulates Lungs to produce Angiotensin Converting Enzyme
- ACE converts A1 to A2
- Aldosterone promotes sodium reabsorption and water retention
A2 increases BP and releases aldosterone
What are the manifestations of poor tissue perfusion to the brain?
- Light headedness
- Dizziness
- Syncope
What are the manifestations of poor tissue perfusion to the muscles?
- Weakness
- Fatigue
What is the management of CHF?
- Promote rest
- Position the patient
- Diuretics, limit oral fluids, limit sodium
- Digoxin/Digitalis
How should you position a patient with Right Sided HF?
Low Fowler’s to monitor JVD
How should you position a patient with Left Sided HF?
Upright/sitting to relieve orthopnea
What is the inotropic and chonotropic effect of Digoxin?
- inotropic = strengthens cardiac contractions
- chonotropic = regulates heart rate
What should the nurse WOF when administering Digoxin?
- Bradycardia
- Hypokalemia
What is the normal dosage of Digoxin?
0.8 ng/ml to 2.0 ng/ml
What are the manifestations of Digoxin toxicity?
VANDAG
Visions impaired
Anorexia
Nausea
Diarrhea
Abdominal pain
Green halo visions