Doctor insights on:
Is A Slow Heart Rate Dangerous
Depends: It depends what you are doing. At rest a slow heart can simply reflect good physical fitness. A fast heart at rest may signifysome underlying rhythm abnormality like atrial fibrillation. However, during exercise a slow heart rate may reflect pathologic chronotrpic incompetance while a fast heart rate is a normal, healthy response. ...Read moreSee 1 more doctor answer
Slow heart rate, also called bradycardia, is defined as a resting heart rate (pulse) less than 60 beats per minute. Having a heart rate less than 60 is not necessarily abnormal. In fact, people in good cardiovascular shape have a low heart rate. People with certain heart conditions may take medications which lower the heart rate as one of ...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 moreSee 1 more doctor answer
At what point does a high heart rate during exercise become dangerous? Would an extremely high heart rate of 250-270bpm be considered 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
What is MPV?: I have checked a dictionary for acronyms and cannot find this one. Am pretty sure you don't mean "Muslims for Progressive Values" (one of the ones I found). The only medical term I know for MPV is "mean platelet volume" which is term found on complete blood counts. Please clarify. ...Read more
Is it possible beta blockers could drop heart rate too low and cause cardiac arrest? What would be a concerning heart rate?
Beta Blockers: It is definitely possible for beta blockers to cause the heart rate to drop too low (called bradycardia) but cardiac arrest would be extremely unusual. A low heart rate becomes concerning when someone is having symptoms (such as sweating, dizziness, nausea, etc.) and if it doesn't increase with activity. Some elite athletes have resting heart rates below 40 bpm. ...Read moreSee 1 more doctor answer
I think so: I think ur asking if a heart rate of 81 when you are not resting (so perhaps after you exercise?) is a safe rate; if that's correct then yes 81 is probably fine. A "normal" heart rate varies depending on lots of things (age, activity, emotions, meds, hydration status, more). In general the better shape you're in, the lower your rate goes. And with vigorous exercise it can go up much higher than 81. ...Read moreSee 1 more doctor answer
Bp is 106/80 and heart rate is 103.without any exercise.why heart rate is increased.is it because of tsh haormones or what?
Not usual but it can: The fast heart beat which is generated by the lower heart chambers(ventricular tachycardia) can reduce the blood volume generated by the heart and if the subject has low preserve (some narrowing of the coronary arteries or decreased heart function) can cause ischemia t the heart. ...Read moreSee 1 more doctor answer
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