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Doctor insights on: Dangerous Heart Rate Levels

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Is a heart rate of 45 dangerous?

Is a heart rate of 45 dangerous?

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

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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


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What is considered a dangerous heart rate?

What is considered a dangerous heart rate?

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

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Whats is a dangerous heart rate while doin cardio ?

Whats is a dangerous heart rate while doin cardio ?

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

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How dangerous is it if my heart rate drops below 40?

How dangerous is it if my heart rate drops below 40?

Depends: It depends .....What symptoms do you or don't you have? Many people experience heart rates in the 30s during sleep. Further evaluation & holter or event monitoring should be considered. See your physician. ...Read more

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What do you advise for heart rate of 30. is that dangerous?

What do you advise for heart rate of 30. is that dangerous?

Depends: It depends on how long, what time of day, and whether there are any symptoms present. It's not unusual to drop to 30 during sleep or to have a brief spell of 30 while awake. It also depends what caused it: the EKG will have clues. ...Read more

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What happens if you go over your max heart rate while working out? Dangerous?

What happens if you go over your max heart rate while working out?  Dangerous?

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

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My heart rate has been between 100 and 108 for about five hours now. Is this dangerous?

My heart rate has been between 100 and 108 for about five hours now. Is this dangerous?

No: but concentrating on your heart rate has the tendency to INCREASE IT! Just a thought Hope it helps Dr Z ...Read more

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My heart rate races when i lay down almost every night, it wakes me up. Is this dangerous?

My heart rate races when i lay down almost every night, it wakes me up. Is this dangerous?

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

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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?

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

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What should you do in regard to the intensity of your workout if your post-exercise heart rate is above either the five- or 10-minute levels?

What should you do in regard to the intensity of your workout if your post-exercise heart rate is above either the five- or 10-minute levels?

Exercise: If you're concerned about these numbers consult your dr. About the meaning vis a vis your workout, making a recommendation only on the info here is inappropriate, not that simple. ...Read more

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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?

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

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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?

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?

Heart rate: Normal heart rate is 60-100 .Deconditioning and muscle wasting will occur in patients who are bedridden and heart rates will be higher. Additionally standing and walking will require intense physical therapy ...Read more

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In the morning when I stand up my heart rate is higher than usual 100+BPM then levels out. This also happens if I been laying down for awhile. normal?

In the morning when I stand up my heart rate is higher than usual 100+BPM then levels out. This also happens if I been laying down for awhile. normal?

Hi . look your diet: Hi lisa..is normal that your HR..will be around 80..at rest..look your diet, caffeine,anxiety...If everything is normal made thyroid lab with your physician.But no worry a lot of.Have a great day. ...Read more

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MY HEART RATE IS 121-124 BPM IS IT DANGEROUS?

MY HEART RATE IS 121-124 BPM IS IT DANGEROUS?

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

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Is a heart rate 30bpm above resting level bad?

Is a heart rate 30bpm above resting level bad?

Variable : Heart rate is variable... That means it is dynamic and changes depending on your mood, anxiety level, level of fitness, present activity, etc... Heart rate of 30 beats per minute above baseline could be normal depending on the situation. Talk to your doctor about your concerns. ...Read more

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Hoping you can tell me, is high heart rate dangerous?

Hoping you can tell me, is high heart rate dangerous?

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

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