Doctor insights on:
Heart Rate Danger Zone
A number of things: It many be that your heart rate increases from factors as simple as drinking too much coffee, or simply being tired or anxious. In some people, a conduction variation in the heart will suddenly bump the rate up. If you have shortness of breath, faintness, dizziness, lightheadedness, or chest/jaw/shoulder pain, get to the ER or call 911. ...Read more
The target heart rate (thr) is usually 50-75 % of the maximum heart rate for an individual.
Ideally you get the maximum benefit when you stay with in the thr but going over for a few minutes is not a big problem.
There really is not major advantage from a training perspective to go above the thr. ...Read more
Is there any long term dangers of having a constant regular sinus rythym, yet slightly tachycardic heart rate?
Probably not: There is a tachycardia-induced cardiomyopathy which is occasionally seen in people with a chronic tachycardia. The exact rate necessary to produce the problem is not clear but it would be less likely to occur with a "mild" tachycardia. When there is tachycardia, though, we always look for the cause. If your thyroid gland is overactive for instance that needs to be treated. ...Read more
Exercise: What is 'so high'?Get a more detailed answer ›
Objective values: Some people are more heart aware than others. Sometimes patients think they have a high heart rate when in reality it is within normal and appropriate range. Objective evaluation by pulse meter or electrocardiographic monitoring is necessary to fully answer your question. Ask your health care provider to evaluate you at rest and during exercise to relieve your concerns. ...Read more
Heart rate 153 how danger? Can my heart stop if continue fast? Also I'm asthma and most of the time I can't breath normal. Plzzz help
Go to the ER NOW!: This is a dangerous heart rate. Go to the er now, you need immediate help. Have somebody drive you, if there is no one available call 911! good luck! ...Read more
Could losing weight a few lbs a week and low resting heart rate 40 be signs of danger? I started to eat vegan style and exercise moderately recently.
My sister and I walk treadmill for thrity min her heart rate stays 85 mine 129 she takes blood pressue meds any danger in that I am 63 129 heart rate and she is 69
Blood pressure medications often include beta blockers like metoprolol or atenolol. These drugs can prevent one's heart from going faster when one exercises. If your sister is taking one of these nmedications it might explain the difference in your heart rates.
The effectiveness of aerobic exercise is often judged by the heart rate one achieves during the exercise. For vigorous exercise, a target heart rate of 110 to 133 would be reasonable for an average 63 year old. Consider discussing your target range with an exercise physiologist or personal trainer. If you get short of breath or have chest tightness on the treadmill, you should definitely discuss this with your doctor.
Other medications which can lower your maximum heart rate include medications to reduce irregular heart beats, some calcium blockers and digoxin. H-2 blockers prescribed for acid reflux may also reduce the maximum heart rate. Ask your doctor if you need to use a lower target heart rate. ...Read more
Is there any danger in wearing fitness trackers such as fitbit or chest strap heart rate monitors such as Polar? Any radiation or anything from them?
FitBit: No danger from radiation or other toxic output from those FitBit type devices ...Read more
Is lower heart rate, the lowest was 37bpm during sleep, (recorded on holter monitor), any danger? I am 33 male, 183cm 92kg. Have b12 defficiency, D defficiency and chronic sinusitis.
How do you FEEL?: If you're an athlete and not having spells where you pass out, this is fine and you should be proud of it. If you have other evidence of heart pathology, it's your physician's decision whether to have you worked up for some obscure illness. If your B12 and D deficiencies are due to vegetarianism, please begin supplementing; if not, try to find the cause and supplement appropriately. ...Read more
Slow heart beat: If you don't have any symptoms like dizziness, pre-syncope, syncope or fatigue or chest pain or shortness of breath, then you are ok. But you complained of chest pain. Hence it should be treated. Its etiology should be elicited. Thyroid problems and blocks in heart arteries should be ruled out. Consult your physician. ...Read more
Heart rate: Normally heart rate responds to exercise or physiologic demand levels. Usually we don't see it go over 180-200 even with high levels of exercise. This level while tolerated by 'normals' may be dangerous in patients with heart disease or other forms of disease. In other words, one number doesn't fit all. ...Read more
Varies: There is no specific dangerous heart rate during exercise. How fast your heart beats with exercise depends on a number of factors, especially your conditioning. If you are healthy, a heart reate in the 170's or even higher may be ok and tolerated. Now if you have a problem such as coronary disease, the safe heart rate would depend on an assessment by your doctor. A stress test is commonly done. ...Read more
Maximal heart rate: Calculations are estimates. If you are heathy enough nothing will happen to you. During exercise you go up to where you can go. I go over mine all the times at 50 y/0. Enjoy your work out. ...Read more
But concentrating on your heart rate has the tendency to INCREASE IT!
Just a thought
Hope it helps
Dr Z ...Read more
Usually benign: Get checked though for thyroid disorder, arrythmia (svt, pvc) etc. Or could just be anxiety/panic attack. Have u had holter monitoring done? Cut down on caffeine, soda, energy drinks and alcohol. Go see your dr for a repeat ekg. May need a beta blocker. If stress echo is normal, it means your heart is structurally sound. You are still young to have serious heart ailment. Give us some feedback! ...Read more
Hello, I have a question regarding my heart. And how high my heart rate went up ad see if its dangerous or if I will be ok.?
Max HR: Is defined by 220-age...Would need more details to better answer. ...Read more
While I'm cycling in the morning my heart rate goes to as up as 175bpm with a average of 150bpm. It's that too dangerous or its normal?
Normal: Everyone has an intrinsic "maximal heart rate" which is different for each of us. During a strenuous workout, you may in fact want to get to 95% of your max heart rate. Unfortunately, without a max heart rate test, you don't know what that is. In any event, if you feel good about the effectiveness of your workouts then there is no cause for concern. ...Read more
Of the numerous heart rate zone conditioning formulas. Who's formula do you feel is the most productive for a male 46 year old amateur athlete?
Was doing some cardio work outs yesterday for the first time in a while and my heart rate went up to 200 beats a min. Is this normal or dangerous?
Neither: Deconditioned peole can have rapid pulses with excercise. Depending on ones age the heart rate max is 220- the age. So for a 20 year old this can be normal. The heart rate with exercise should improve with persisten excercise as vagal tone improves. One should stopnexcercise if dizzy, lightheaded, chest pain or excessive difficulty breathing and see a doctor to be sure. ...Read more
Been bedridden for a year, been sitting up some lately. Sat up 4 hours and counting as of this post Heart rate up at 89. Is this dangerous for me?
No: That heart rate isn't dangerous but it's unclear whether or not it's normal. If you've been active, anxious, have fever, pain, thyroid excess, anemia etc., it may be appropriate. If you're resting and it doesn't slow down over 5 minutes, it's abnormal and you should get an EKG done ASAP for purposes of diagnosis. ...Read more
Ecstasy: Yes the high heart rate is not good. ...Read more
How high?: High heart rate more than 100 beats per minute can be a sign of lack of physical conditioning, endocrine disease like hyperthyroidism, sign/symptom of heart disease, dehydration, lung disease like asthma/copd, drug induced like to much caffeine/ energy drinks, chronic disease like liver and renal insufficiency, etc. You need a history and physical to evaluate the reason. ...Read more
Maybe: If you are resting, a heart rate of 150 and SPO2 of 90 is definitely abnormal. See your doctor. ...Read more
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