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Doctor insights on: Stress Test Maximum Heart Rate

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How precise is a stress test when my heart rate didn't go very high?

How precise is a stress test when my heart rate didn't go very high?

Stress test: It depends on what the test was and how much work load you achieved. If you did a very high work load and still had a low heart rate, that's good. If only low load, low rate not much information. ...Read more

Dr. Heidi Fowler
3,099 doctors shared insights

Stress (Definition)

Stress affects most people in some way. Acute (sudden, short-term) stress leads to rapid changes throughout the body. Almost all body systems (the heart and blood vessels, immune system, lungs, digestive system, sensory organs, and brain) gear up to meet perceived danger. These stress responses could prove beneficial in a critical, life-or-death situation. Over time, however, repeated stressful situations put a strain on the body that may contribute to physical and psychological problems. Chronic (long-term) stress can have real health consequences and should be addressed like any other health concern. Fortunately, research is showing that lifestyle changes and stress-reduction techniques can help people learn ...Read more


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Went for thread mill stress test . At 85% heart rate it is ok but at 110% slightly positive . How do you interpret this result .

Went for thread mill stress test . At 85% heart rate it is ok but at 110% slightly positive .  How do you interpret this result .

Need more data: If one exercises for 9 minutes or more on a standard bruce protocol stress test, even if one has known coronary disease, the prognosis is excellent. However, decisions concerning further testing, such as a stress echo test or an angiogram, take into consideration the presence or absence of angina (chest pain) during the test, the amount of abnormality on the ekg during the test and other factors. ...Read more

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What do you recommend if I had 2 stress test done a exercise one and a thallium one on both my heart rate dropped wha could cause it?

What do you recommend if I had 2 stress test done a exercise one and a thallium one on both my heart rate dropped wha could cause it?

Thallium?: You said "thallium" but perhaps you meant adenosine or lexiscan? - these two agents are used to perform a stress test in which you don't have to exercise, thus in contrast to your first one. Both agents can cause the heart rate to drop as a side effect which has no prognostic significance. ...Read more

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Had a stress test done and my target heart rate was 190 but when injected with lexiscan my heart only did 175 is that good or bad?

Had a stress test done and my target heart rate was 190 but when injected with lexiscan my heart only did 175 is that good or bad?

Max predicted HR...: Exercise stress testing requires that the patient reach 85% of maximum predicted heart rate. Maximum predicted heart rate is given by equation (220-age). If adequate heart rate is not achieved then pharmacologic (lexiscan) stress test can be performed. ...Read more

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Cardiology:Can people have a normal heart even though they reach the maximum heart rate on an treadmill stress test quickly?

Cardiology:Can people have a normal heart even though they reach the maximum heart rate on an treadmill stress test quickly?

Yes: If you reach your target quickly it means you are not conditioned. You need to exercise more and build up your endurance. Marathon runners never reach their "target." ...Read more

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Is it safe to run at slow pace, although heart rate goes into 90% range (190+) after 10 min. Resting heart rate, BP and stress test are all normal. ?

Is it safe to run at slow pace, although heart rate goes into 90% range (190+) after 10 min. Resting heart rate, BP and stress test are all normal. ?

Running pace: Yes. Remember that you calculate the desired heart rate for exercise by the formula: 70% x (220 - yourage) as your target heart rate. Your maximal heart rate is just 220 minus yourage. As long as you don't exceed your maximal heart rate, you should be ok. With continued exercise, your pulse will trend lower during exercise. ...Read more

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I have a slow heart rate, also extra beats, which they tell me are benign. Stress test ok, my thyroid is stable with meds. Why do I have these symptom?

I have a slow heart rate, also extra beats, which they tell me are benign. Stress test ok, my thyroid is stable with meds. Why do I have these symptom?

Stress, Perhaps: Learn to relax deeply and let go of stress, and especially any anxiety or inner pressure (http://drmiller.Pinnaclecart.Com/balance-mind-and-emotions/abolish-anxiety-2-cds/28 is a valuable program). Sometimes the generalized irritability of the nervous system may have a role to play. If a week of sheer relaxation in a vacation place diminishes the extra beats, think stress. More at drmiler.Com. ...Read more

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Stage 2 stress test heart rate was at 170 so stopped was to tired.Doc says may need loop recorder and get fit to improve symptoms.

Stage 2 stress test heart rate was at 170 so stopped was to tired.Doc says may need loop recorder and get fit to improve symptoms.

More tests needed: 170 is a very accelerated heart rate at that level of stress. You may an inappropriate sinus tachycardia or another type of arrhythmia. The stress test should help sort that out. An echocardiogram and cardiology evaluation would be appropriate. Good luck. Feel better. ...Read more

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If my echocardiogram, ekg, and stress test, all came back normal, could doing activities that raise my heart rate by 20-100 percent be harmful?

If my echocardiogram, ekg, and stress test, all came back normal, could doing activities that raise my heart rate by 20-100 percent be harmful?

Normal studies: The probability is in favor of exercise being quite safe for someone with the normal findings you list. Having said that, without knowing anything else about you, something else could be present which would invalidate that prediction. ...Read more

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My stress test came back with significant shortness of breath and inadequate heart rate recovery. Are these findings normal cause doc did not followup?

My stress test came back with significant shortness of breath and inadequate heart rate recovery. Are these findings normal cause doc did not followup?

Sob: You should discuss the test with your doctor and ask what the interpretation of the test is. Shortness of breath and abnormal heart rate recovery can be signficant findings even if the ecg remained normal. They can also relate to just being 'out of shape'. You doctor should be able to explain about this to you ...Read more

Dr. Bernard Seif
3 doctors shared insights

Stress Test (Definition)

A stress test is a cardiac test which can include walking on a treadmill and monitoring your heart while you are walking. They can also inject you with a nuclear material and do a more comprehensive scan on your heart to check for blockage. They can also do a chemical stress test which omits the need to ...Read more


Heart Rate (Definition)

Heart rate is a measurement of the number of times a person's heart beats in one minute. Normal heart rates vary with a person's age and with excitement and exercise. Abnormal heart rates are too slow, too fast, and/or irregular (too much ...Read more