heart%20failure%20-%20acute
HEART FAILURE - ACUTE
Treatment Guideline Chart
Acute heart failure is the rapid or gradual onset of or change in the signs and/or symptoms of heart failure.
It arises as a result of cardiac function deterioration in patients previously diagnosed with heart failure or may also be the first presentation of heart failure.
It is characterized by pulmonary congestion, decreased cardiac output and tissue hypoperfusion.
It is a life-threatening condition that needs immediate medical attention.

Heart%20failure%20-%20acute Signs and Symptoms

Introduction

Heart Failure

  • A clinical syndrome caused by functional or structural impairment of ventricular filling or blood ejection
  • Characterized by either left ventricular hypertrophy or dilation or both

Definition

Acute Heart Failure

  • Rapid or gradual onset of or change in the signs and/or symptoms of heart failure
  • Arises as a result of acute cardiac function deterioration in patients previously diagnosed with heart failure or may also be the first presentation of heart failure
    • Acute heart failure arising from decompensation of chronic heart failure is associated with arrhythmia, uncontrolled hypertension, infection and noncompliance with therapy and diet
  • Cardiac dysfunction may be related to ischemia, arrhythmia, valvular abnormalities, pericardial disease, myocarditis, cardiomyopathy, increased filling pressure or elevated systemic resistance
  • Characterized by pulmonary congestion, decreased cardiac output and tissue hypoperfusion
    • Most acute heart failure patients present with normal or high blood pressure and signs and/or symptoms of congestion instead of low cardiac output
  • Life-threatening condition that needs immediate medical attention
  • May be transient and reversible with resolution of the acute syndrome or may induce permanent damage leading to chronic heart failure

Etiology

Causes of Acute Heart Failure

  • Acute coronary syndrome or its complications (eg rupture of interventricular septum, mitral valve chordal rupture, right ventricular infarction, acute mitral regurgitation)
  • Hypertensive crisis or uncontrolled hypertension
  • Tachyarrhythmia (eg atrial fibrillation, ventricular tachycardia), severe bradycardia or conduction abnormalities
  • Pulmonary embolism
  • Infection (eg infective endocarditis, pneumonia, sepsis)
  • Pericardial tamponade
  • Aortic dissection
  • Surgery and perioperative problems
  • Peripartum or stress-related cardiomyopathy
  • Chronic obstructive pulmonary disease (COPD) exacerbation
  • Cerebrovascular insult
  • Worsening renal failure 
  • Electrolyte disturbances 
  • Noncompliance to diet or drug therapy
  • Medications (nonsteroidal anti-inflammatory drugs [NSAIDs], steroids, cardiotoxic chemotherapeutics, negative inotropic agents)
  • High output states (eg severe anemia, thyrotoxicosis)
  • Fluid overload (eg volume overload causing pulmonary edema in acute kidney injury, iatrogenic causes)
  • Toxic substances (recreational drugs, alcohol)  

Signs and Symptoms

  • Heart failure leads to neurohormonal and circulatory abnormalities producing the following manifestations:
    • Breathlessness/dyspnea at rest or on exertion
    • Decreased exercise capacity or increased time to recover after exercise
    • Unexplained fatigue, tiredness
    • Orthopnea
    • Bendopnea
    • Paroxysmal nocturnal dyspnea (PND) or nocturnal cough
    • Cough or wheezing
    • Palpitations
    • Anorexia, nausea, vomiting, abdominal pain, bloated feeling, early satiety, ascites
    • Peripheral edema, ankle swelling
    • Confusion, disorientation, cognitive decline
    • Weakness, depression (especially in the elderly)
    • Weight gain (>2 kg/week)
    • Weight loss (in advanced heart failure)
    • Syncope
  • More specific signs typical of heart failure include elevated jugular venous pressure, hepatojugular reflux, apical impulse that is laterally displaced and presence of S3 (gallop rhythm)
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