Standard Stress test (Bruce Protocol) Te'd to BP cuff and EKG for baseline and
recording Warm up - Slow pace - 0% Grade Stage 1 - 1.7 MPH 10% Grade State 2 - 2.5
MPH 12% Grade Stage 3 - 3.4 MPH 14 % Grade Stage 4 - 4.2 MPH 16% Grade Stage 5 -
5.0 MPH 18% Grade Stage 6 - 5.5 PH 20% Grade
Stage 7 - 6.0 MPH 22% Grade
Gradual cool down stage
Progress Stage every 3 minutes
Aim for 85% heart rate or Fatigue
Desired Heart Rate Formula - Solution (220-Age) x .85 = Desired HR
Borg Scale of Perceived Exertion - Solution 6 - No Exertion
7-8 - Very, Very light
9-10 - Very Light
11-12 - Fairly Light
13-14 - Somewhat Hard
15-16 - Hard
17-18 - Very Hard
19-20 - Very Very Hard
Bicycle Stress Test - Solution Less Severe
40 W for Women - Increasing +15W every 2 minutes
50 W for Men - Increasnig 15-30W every 2 minutes
,Requires more Leg strength
Requires Less room and is cheeper
Ergometery Stress Test - Answer For patients with a lower body disability
Arm Cycle to crank
Increase workload every 2 miuntes
Avoid cardiac stimulants, and fast morning of
Modified Bruce Stress Test - Answer For sedimentary patients who cant tolerate a
normal Stress Test
3 Minute Stages
Stage 1- 1.7MPH 0% grade
Stage 2 - 1.7 MPH 5% Grade
Stage 3 - 1.7 MPH 10% Grade
Stage 4- 2.5 MPH 12% GRADE
Stage 5 - 3.4 MPH 14% Grade
Stage 6 - 4.2 MPH 16% Grade
Stage 7 - 5.0 MPH 18% Grade
Naughton Stress Test Protocol- Answer For more sedimentary Patients who cant
tolerate
Contant 2 MPH speed and 3.5% Grade increase starting at 0%
Warm up stage - 1.0 MPH - 0% Grade (1-2 Minutes)
Stage 1 - 2.0 MPH 0% Grade
Stage 2 - 2.0 MPH 3.5% Grade (SO ON)
Avoid Beta Blockers and Alcohol 24 hours before test
Goal to obtain 80-90% HR
, Duke Treadmiill score and Score interpretation - Answer Lower the score higher risk of
CAD
(excercise Time Minutes) - (5 X ST deviation) - (4X Anginal Index)
> +5 -97% survival no risk for CAD
-11-(-4) - 90% Survival, intermidate risk for CAD,
-25 -(-11)- 65% Survival, High Risk for CAD
Anginal Index - Answer 0 - No Angina
1 - Non Limiting Angina
2 - Excercise limiting Angina
Termination for stres test - Answer SBP > 220
VT > 30 seconds
Cyanosis or Pallor
ST elevation of 1 MM or > in 2 in leads W/O prior Q waves
ST depression of 2MM or > in 2 cotinguous leads
Patient Rquest to stop
Angina
Machine problems
Dizziness or Presyncope
Drop in systolic BP > 10mmHg w/ ischimia signs
Pharmalogical Stress Test - Answer CAD patients that are unable to exercise, have a
pacemaker, or abnormal EKG
Injected with a radioactive tracer
- Technetium-99m Stestambi (cardiolite)
-Technetium99m- Tetrofosmin (myoview)
Vasodialator is injected
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