Exercise intolerance is inability, or decreased ability, to perform physical exercise, at the expected level/duration of someone w/ a specific physical condition.

• Primary Sx of chronic diastolic heart failure
• Dysfunctions involving pulmonary, cardiovascular, or neuromuscular systems
• Behavioral causes, also playing a part in it

• Unusual SOB
• Mylagia (muscle pain)
• Tachypnea (abnormally rapid breathing)
• Tachycardia (HR exceeding normal range)
• Increasing muscle weakness while exercising
• After exercising, experience unusually severe:
  • Pain
  • Severe headache
  • Nausea
  • Vomiting
  • Dizziness
  • Occasional muscle cramps
  • Extreme fatigue
  • Other negative effects