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Limits Of Excercise Tolerance: Cardiac Stress Test

iStock_000008974586XSmallIndication suggesting that the limits of exercise tolerance have been crossed:

• Dizziness/giddiness
• Recurrent and excessive fatigue
• Unusually heavy sweating
• Rapid or irregular heartbeats
• Unusual shortness of breath
• Pain in arm, chest, jaw or back, during or immediately after exercise.

Any of the above sign is an indication to stop immediately and consult the doctor regarding the problems encountered during exercise.

Do not exercise, if any the following problems are present:

• Acute systemic illness or fever
• Resting pulse rate greater than 120 per minute
• Severe uncontrolled blood pressure
• Severe uncontrolled diabetes.

Diabetics taking insulin, because of the risk of hypoglycaemia, and its catastrophic consequences, should avoid activities such as aerial sports or underwater diving.

Is a Cardiac Stress Test/Treadmill Test (TMT) Necessary before Starting an Exercise Schedule?

It is safer to have a stress test if any one of the following criteria is present:

• Age > 35 years
• Type 2 diabetes of > 10 years’ duration
• Type I diabetes of > 15 years’ duration
• Presence of any additional risk factor for coronary artery disease (smoking,
high cholesterol, high blood pressure, obesity and stress)
• Presence of eye or kidney problems • Peripheral vascular disease.

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