Cardiac Rehabilitation Phase II and III Exercise Guidelines
Cardiac rehabilitation is a structured program designed to support recovery, improve fitness, and reduce the risk of future cardiovascular events. In Australia, Phase II and Phase III exercise guidelines are widely applied across hospital outpatient programs, community health centres, and private clinics to promote safe and effective rehabilitation.
Phase II: Supervised Outpatient Rehabilitation
Phase II typically begins shortly after hospital discharge, often 1–6 weeks post-cardiac event or surgery. It focuses on safe reintroduction to exercise under close monitoring.
- Duration and Frequency: 2–3 supervised sessions per week for 6–12 weeks.
- Exercise Intensity: Low-to-moderate intensity, often prescribed at 40–70% of VO₂ max or 50–70% of HRR (heart rate reserve). The Borg Rating of Perceived Exertion (RPE 11–13) is frequently used.
- Aerobic Training: Walking, stationary cycling, or treadmill exercise, typically 20–40 minutes per session.
- Resistance Training: Light resistance (30–50% of 1RM) for major muscle groups, 1–2 sets of 10–15 repetitions, 2–3 times per week.
- Monitoring: ECG telemetry, blood pressure checks, and symptom tracking ensure patient safety during early recovery.
The goal is to build confidence, improve cardiovascular fitness, and educate patients about lifestyle changes.
Phase III: Community or Maintenance Exercise
Phase III is less supervised and occurs in community, gym, or home-based settings. It focuses on long-term lifestyle integration and independent exercise.
- Duration and Frequency: At least 150 minutes per week of moderate-intensity aerobic exercise, spread over most days.
- Exercise Intensity: Moderate-to-vigorous intensity (RPE 12–15) as tolerated, progressing safely from Phase II levels.
- Aerobic Training: Walking, swimming, cycling, or group exercise programs tailored to patient preference.
- Resistance Training: Progression to 2–3 sets of 10–15 reps, moderate resistance (40–60% of 1RM), 2–3 times per week.
- Flexibility and Balance: Stretching and functional balance training included, particularly for older adults.
- Monitoring: Patients are encouraged to self-monitor with heart rate devices and symptom awareness, while clinicians provide periodic reviews.
The aim of Phase III is to maintain fitness, reduce cardiovascular risk factors, and support sustainable lifestyle changes.
Clinical Considerations
- Individualisation: Programs must be tailored to the patient’s medical history, medications, and functional capacity.
- Education: Nutrition, stress management, and smoking cessation support are integrated into exercise programs.
- Safety: Patients should be advised to stop exercise immediately if they experience chest pain, severe breathlessness, or dizziness.
Conclusion
Phase II and Phase III cardiac rehabilitation exercise guidelines provide a structured pathway from hospital recovery to long-term health maintenance. With supervised early training and gradual progression to independent activity, patients in Australia can rebuild strength, reduce risks, and regain confidence in daily life.