John is a 38-year-old archeologist whose job requires some walking and hiking wh

Question

John is a 38-year-old archeologist whose job requires some walking and hiking when he is collecting data in the field. However, much of his time is spent analyzing artifacts in the laboratory and writing research reports in his office. He is thinking about joining the employee fitness program at work, and therefore contacted you to evaluate his health risk and aerobic fitness level. His last medical examination was 3 months ago. You gave him a GXT using a Bodyguard cycle ergometer and collected the following data:

Client: 38-year-old male
Resting BP: 131/92 mmHg
Resting HR: 71 bpm
Total cholesterol: 210 mg dl-1
Height: 5 ft 10 in. (177.8 cm)
HDL-cholesterol: 30 mg dl-1
Body weight: 180.8 lb (82 kg)
Smoking history: 1 pack per day
Activity interests: cycling
Physical activity: job-related walking/hiking

GXT Data
Stage Min Work rate (kgm min-1) HR BP RPE
1 1 180 110
2 180 115
3 180 119 168/92 7
2 4 360 130
5 360 136
6 360 138 180/90 13
3 7 540 151
8 540 158
9 540 163 215/88 16

1. On the basis of demographic data, evaluate this client's CHD risk profile. Given his CHD risk classification, did a physician need to be present during the GXT?

Explanation / Answer

The client data reveals that he is at a high risk of aquiring CHD. This can be ruled out through the high blood pressure recorded, his smoking habbits, total cholesterol and HDL cholesterol levels of the client. Yes, there is a need of physician to be present during the Graded Exercise Test (GXT).

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