ACSM’s Guidelines For Exercise Testing And Prescription : Chapter 2 Health Screening & Risk Stratification. David Arnall, Ph.D., P.T., FACSM, ES. Reasons To Screen Your Exercising Population. Identify and exclude individuals with medical contraindications to exercise
ACSM’s Guidelines For Exercise Testing And Prescription : Chapter 2 Health Screening & Risk Stratification
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Questions On The PAR-Q To Ask Potential Exercising Persons
1. Has your doctor ever said that you have heart trouble ?
2. Do you frequently have pains in your heart and chest ?
3. Do you often feel faint or have spells of severe dizziness?
4. Has a doctor ever said your blood pressure was too high?
5. Has your doctor ever told you that you have a bone or joint problem such as arthritis that has been aggravated by exercise, or might be made worse with exercise?
6. Is there a good physical reason not mentioned here why you should not follow an activity program even if you wanted to?
7. Are you over age 65 and not accustomed to vigorous exercise?
If the person filling out the PAR-Q answers YES to any of the questions, they are advised to see their physician and find out if they are able to exercise safely in a community exercise program.
If the person filling out the PAR-Q answers NO truthfully to all of the questions, they are reasonably assured that they can have a fitness appraisal evaluation and begin an exercise program as long as they start out slowly and gradually advance the intensity of their exercise.
Coronary Risk Factors To Be Used With ACSM’s Risk Stratification
Family History - MI, coronary revascularization or sudden death before the age of 55 years in the father or other first-degree relative (son, brother) or before the age of 65 years in the mother or other first-degree relative (sister, daughter).
Cigarette Smoking - current use or those who have quit within the last 6 months (other tobacco use - pipe, cigars, etc.)
Hypertension - Blood pressure on two separate occassions > 140/90 or an individual who is on medications for hypertension
Total Serum Cholesterol > 200 mg/dl
Low-Density Lipoproteins > 130 mg/dl
High-Density Lipoproteins < 35 mg/dl
On Lipid Lowering Medications
Impaired Fasting Glucose- > 110 mg/dl measured on 2 separate occassions.
Obesity - Body mass Index > 30 Kg/m2 or waist girth > 100 cm.
There are many health professionals which disagree about what marker of obesity to use. Therefore, use your best clinical judgement when evaluating this risk factor.
Sedentary Lifestyle - Persons who are not involved with a regular exercise program†.
† Persons not accumulating 30 + minutes of exercise on most days/week
Additional Concerns …...
Major Signs & Symptoms Of Cardiopulmonary Disease Are :
Chest Pressure/Pain Or Other Anginal Equivalents
SOB At Rest Or Mild Exercise
Dizziness Or Syncope
Orthopnea Or Paroxysmal Nocturnal Dyspnea
Palpitations Or Tachycardia
Unusual Fatigue Or SOB With Usual Activities
ACSM Risk Stratification
Low Risk- Men under 45 yrs and women under 55 yrs. Who are asymptomatic and have no more than one risk factor (HTN, Obesity, Hypercholesterolemia, Family Hx.)
Moderate Risk - Men > 45 yrs and women > 55 yrs or if these persons have two or more risk factors.
High Risk- Persons with one or more signs or symptoms (ankle edema, orthopnea, SOB, angina, etc.) or known cardiovascular, pulmonary (COPD) or metabolic disease (DM).
Now that the patient has been screened and evaluated as to their potential risk, there are other decisions that the exercise leader must make.
Moderate Exercise : This intensity is defined as any activity that is between 3-6 METs.
An exercise that is equivalent to brisk walking at 3-4 mph.
An exercise that can be comfortably sustained for 45 minutes.
Vigorous Exercise : Activities > 6 METs
A substantial cardiorespiratory challenge sustainable for 20-30 min.
The Two Golden Questions
Does my patient need a physical exam and an exercise test prior to starting an exercise program ?
Does the physician need to be present when I perform the exercise test ?
Does The Patient Need A Physical, An Exercise Test & Does The Physician Need To Be Present ?
What If They Are Already Cardiac Patients ?
Ejection fraction > 50%
No resting or exercise-induced dysrhythmias
Asymptomatic & have no angina with exertion or recovery
Functional work capacity > 7 METs
No clinical depression
Ejection fraction between 40% - 49%
Signs/symptoms including angina at moderate levels of exercise (5-6.9 METs) or in recovery.
Ejection fraction < 40%
Survivor of cardiac arrest/sudden death
Complex ventricular arrhythmia at rest or exercise
Signs/symptoms with low level exercise
Functional capacity < 5 METs
Significant clinical depression
Risk factor stratification can be modified with :
risk factor reduction
lipid lowering drugs, nitrates, -blockers
surgical intervention (CABG, PTCA)
thrombolysis (streptokinase, TPA)
stress reduction - counseling & drugs
With cardiac patients, do I have an algorhythm to determine if they need a physical exam and an exercise test with a physician present prior to undertaking an exercise program ?
The answer is NO !! A physician must examine, test and clear a cardiac patient prior to exercising.