Heart Failure - Its Causes and Signs

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Heart Failure - Its Causes and Signs
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Definition
Heart disappointment (circulatory disappointment)
is the powerlessness of the heart to pump
adequate blood, oxygen and supplements to the
different parts of the body to get together their
metabolic needs.
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• Heart disappointment is not an illness condition
• It is a disorder which comes about because of
  other pathophysiological conditions occurring in
  different parts which put expanded request on the
  heart.
• Heart disappointment can be intense or endless.

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Causes of Left ventricular failure

• Myocardial infarction (coronary artery
  occlusion)
• Valvular defects
• Pregnancy (when there is an underlying disease)
• Anaemia
• Rheumatic fever
• Pericarditis

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Causes of Left ventricular failure

• Hypertension
• Arrhythmias
• Syphilitic heart disease
• Obesity
• Prolonged dietary deficiency e.g. beri beri
• Pulmonary heart disease due to disorders of the
  lungs e.g. chronic obstructive pulmonary disease
  (COPD)

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Causes of Left ventricular failure

• Paget's disease
• Hyperthyroidism
• Transfusion or infusion overloading
• Emotional stress.

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Causes of Left ventricular failure

• Paget's disease
• Hyperthyroidism
• Transfusion or infusion overloading
• Emotional stress.

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Signs and symptoms of LHF

• Fatigue
• Dyspnoea (difficult breathing) on exertion
• Coughing
• Orthopnoea
• Mental confusion
• Paroxysmal nocturnal dyspnoea (cardiac asthma)

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Signs and symptoms of LHF

• Anorexia (loss of appetite for food)
• Decreased tolerance to exercise
• Pulmonary rales
• Reduced urinary output (oliguria)
• Rapid irregular pulse

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