Reasons for Fatigue in Patient with Heart Failure

• have orthopnea or paroxysmal nocturnal dyspnea?

• have sleep apnea?

• have other reasons for disturbed sleep such as drug effects?

• have chronic gastrointestinal blood loss associated with aspirin therapy?

• have anemia due to other causes (chronic disease and/or comorbid conditions)?

• have comorbid conditions that cause fatigue?

• dehydrated from overdiuresis and/or have hypokalemia?

• having adverse effects due to beta-blockers?

• depressed and/or anxious?

• have poor oxygen delivery due to impaired cardiac function?

• deconditioned?

• obese with poor nutrition?

• show poor adherence with the therapeutic plan?