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Exercise Measurement Including Heart Rate & Blood Pressure Lab Report essay assignment
Step 1: How to prep for 12 lead EKG set up:
- Roughen up skin with towel
- Clean skin with alcohol wipes
- Attach 10 electrodes in correct placement
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V1 4th intercostal (right)
V2 4th intercostal (left)
V3 Between V2 & V4
V4 Mid clavicular (mid-collarbone)
V5 5th intercostal space (anterior axillary line)
V6 5th intercostal (mid axillary line)
Step 2: Resting EKG
- Allow subject to rest for a few minutes before printing EKG tracing Subject is a 23 year old male
- Take resting blood pressure: 115/67 mmHg
Step 3: Identify subject within group to perform stress test
- The group will prep the subject (see above for directions)
- Allow the subject to rest for a few minutes and take a resting blood pressure when printing out the resting EKG tracing
- Exercise measurements should include heart rate, blood pressure, EKG, and rating of perceived exertion (RPE). Measure and record BP and RPE at the end of each stage; you will also need to record HR.
Step 4: End of EKG Test and Clean Up
- Once the test is complete have your subject do a brief cool-down. Make sure to keep your client connected to the EKG.
- After the cool-down have the subject sit quietly as you record recovery blood pressure. Print the resting EKG every few minutes during recovery.
- Remove leads from subject once their resting blood pressure has returned to the pre-exercise blood pressure values and you have printed a final, clean EKG.
Step 5: Review of EKG
- Review your subject’s EKG tracings and note any abnormalities during rest or during exercise.
- Do you notice any trends? Anything abnormal?
Positive stress test =
- Changes in the ECG show a low oxygen supply to the heart.
- You develop trouble breathing or chest pain.
- Your HR or BP fails to increase adequately during exercise
- High blood pressure
- Can cause the small blood vessels within the heart to be compressed causing a reduction in the amount of blood flow to the heart muscle. If the reduction in blood flow is great enough, the heart muscle will become ischemic (causing the ECG to be abnormal, i.e., ST-segment depression) and the patient may experience chest pain.
A positive stress test may mean coronary heart disease, however, not all patients who have a positive stress test have coronary heart disease, and you may require further testing.
Bruce Protocol
| Stage | Time (min) | Grade (%) | Speed (mph) | HR (bpm) | BP (mmHg) | RPE |
| 1 | 0-3 | 10 | 1.7 | 78 | 125/78 | 6 |
| 2 | 3-6 | 12 | 2.5 | 83 | 135/89 | 7 |
| 3 | 6-9 | 14 | 3.4 | 94 | 140/90 | 9 |
| 4 | 9-12 | 16 | 4.2 | 105 | 150/99 | 11 |
| 5 | 12-15 | 18 | 5.0 | 135 | 144/93 | 15 |
| 6 | 15-18 | 20 | 5.5 | 159 | 151/99 | 18 |
| 7 | 18-21 | 22 | 6.0 | 187 | 160/100 | 18 |
Individual EKG from above:
- You counted 21 boxes from R to R wave for our subject. Calculate their resting heart rate.
- Basic EKG Interpretation (ST-segment depression, elevation, normal):
- Resting blood pressure and interpretation (high, low, normal):
Stress Test EKG:
Subject is a 23 year old male with normal resting BP (115/67 mmHg) and HR. He reported no symptoms during his stress test until the last stage, complain of leg fatigue, terminating his test. After testing, his recovery BP was 130/72. Here is our subject’s stress test EKG:
- Report start of test, middle of test, and peak exercise heart rates and interpret (abnormalities, heart rate increase, decrease, stay the same):
- Basic ECG Interpretation (ST-segment depression, elevation):
- Symptoms reported during stress testing:
- Reason for ending the test:
- Blood pressure during rest, peak exercise, and recovery:
- Blood pressure response to exercise:
- Does your client have a positive or negative stress test, explain:
