What level of exertion should a patient rate themselves during a walking program post-myocardial infarction?

Patients post-myocardial infarction are generally encouraged to engage in a walking program as part of their rehabilitation process, focusing on a level of exertion that is safe and promotes cardiovascular health without overexerting themselves. Rating exertion as "moderate" aligns with established guidelines for cardiac rehabilitation, where the aim is to gradually improve fitness levels while monitoring for any signs of distress.

Moderate exertion typically allows the patient to maintain a conversation while walking, indicating that they are working hard enough to benefit their heart health but not so hard that they risk excessive fatigue or strain. This approach helps in building endurance and strength gradually, which is crucial for recovery after a myocardial infarction.

In contrast, a strenuous level of exertion would pose a greater risk of complications and is discouraged early in the recovery phase. Very light exertion may not provide the necessary stimulus for cardiovascular improvement, and suggesting that the patient should not begin a walking program at all would delay recovery and prevent them from achieving the physical activity goals that are essential for long-term heart health.