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Exercise Testing
Cardiovascular & Pulmonary Disease
| Question | Answer |
|---|---|
| What is/are the purpose of exercise testing? | diagnoses, prognosis, identify cause of functional or capacity limitations, establish baseline or assess progress |
| What is likely to provoke ventricular arrythmias during a stress test? | ischemia or hypoxia to the ventricles |
| What is likely to provoke atrial arrythmias during a stress test? | stimulants (epinephrine/norepinephrine) |
| When is it good to use a 6-minute walk test? | someone with a low tolerance for exercise |
| What are the ABSOLUTE contraindications to ANY exercise testing? | acute MI, unstable angina, uncontrolled arrythmias; active endocarditis, myocarditis or pericarditis; severe aortic stenosis [symptomatic], decompensated HF, acute pulmonary embolism, acute aortic dissection, physical disability precludes safe testing |
| What are the RELATIVE contraindications to ANY exercise testing? | obstructed L coronary artery, mod-severe aortic stenosis, tachyarrhythmias, acquired or advanced heart block, recent stroke or TIA, mental impairment, resting severe HTN, uncorrected medical condition |
| What are the potential cardiac complications with exercise testing? | brady/tachyarrythmias, acute coronary syndromes, heart failure, HTN, syncope and shock |
| What are the potential non-cardiac complications with exercise testing? | musculoskeletal trauma, soft tissue injury, severe fatigue, dizziness, fainting, body aches, delayed feelings of illness |
| What is the difference between the Bruce protocol and Modified Bruce protocol? | the Modified Bruce protocol has 2 added stages in the beginning for people who are less fit and may not make it past the 2nd stage of the Bruce protocol |
| Explain the Balke Protocol Ramp Test. | patient is instructed to walk at a constant speed with increasing grade every 1 minute, for 10 minutes |
| Explain the Step Test. | 6 stages, each stage is 3 minutes with a work load increase of 0.5 KP; cadence is kept at the same cadence of 60 or 80 rpm the entire test |
| Explain the Ramp Test. | 6 stages, each stage is 1 minute with an increase in work load 0.5 KP; cadence of 60 or 80 rpm |
| How much work is moderately vigorous exercise in METs? | 3.5-4 METs |
| How much work is vigorous exercise in METs? | 6-16; slow jog-running 6 min mile/10 mph |
| What is 1 MET? | amount of energy a person uses per kg BW at rest |
| What is a normal response to treadmill exercise? | systolic BP increases, diastolic remains the same (+/- 10 mmHg); rapid response to workload, heart adjusts quicky to cessation of exercise |
| What are the two normal responses to exercise that may take hours to go back to threshold? | Cardiac output and resting venous tone |
| What does it mean is diastolic pressure drops more than 10 mmHg? | cardiac output is decreased |
| About how many bpm should HR fall in the first minute of recovery? | >12 bpm |
| How much should HR increase per 1 MET of increased workload? | 10 bpm |
Created by:
mcush1
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