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Doctor insights on: Cardiac Arrest Heart Rate

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Around what heart rate do people go into cardiac arrest?

Around what heart rate do people go into cardiac arrest?

Depends. No set no#: Cardiac arrest occurs when d heart has trouble pumping blood 4 itself, or when electrical problems cause a malfunction. The faster the heart beats, the less time the heart has to fill blood 4 itself (the heart rests b/w beats). If there r blockages or narrowing in its arteries, or if it is weakened (from electrolyte imbalance) then it will stop beating at a lower cut-off. Theoret max is 220-age. ...Read more

Dr. Creighton Wright
3,921 doctors shared insights

Heart Attack (Definition)

Heart attack is a life-threatening condition in which the blood vessels that supply the heart becomes occluded and thus the heart itself is not longer receiving any blood flow. Without this blood flow, the heart muscle dies and cannot pump blood to the ...Read more


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If a young, fit, and healthy person was exercising so hard their heart rate got up to 220 BMP, what would happen? Would they enter cardiac arrest?

If a young, fit, and healthy person was exercising so hard their heart rate got up to 220 BMP, what would happen? Would they enter cardiac arrest?

Unpredeictable: As your age is 22, after reaching 198, you are predisposed to Cardiac arrythmias, instead of normal heart beat,,, abnormal unhealthy heart contractions appear which can potentially make the heart to go to arrest. Again heart does not follow rules. It happen at lower rates too and dont happen eve at higher rates. But its not recommended to go beyond 200-Age. ...Read more

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Is it possible beta blockers could drop heart rate too low and cause cardiac arrest? What would be a concerning heart rate?

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 more

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How high would your heart rate have to be to cause cardiac arrhythmia or cardiac arrest?

How high would your heart rate have to be to cause cardiac arrhythmia or cardiac arrest?

Depends...: There are heart rhythmn disorders that do not begin with an elevated heart rate. Not all cardiac arrhythmias are due to an elevated heart rate. There are rhythmn disorders that have a normal heart rate or even a slow heart rate. A normal or slow heart rate does not rule put an arrhythmia. ...Read more

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I keep coughing and I have a severe head cold with an avg. resting heart rate of 110. I am scared about cardiac arrest, should I go back to a doc?

I keep coughing and I have a severe head cold with an avg. resting heart rate of 110. I am scared about cardiac arrest, should I go back to a doc?

No worries: Young people can generally tolerate HR elevations like this for many days, especially if they are associated with medications like cough medicine or decongestants. ...Read more

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How high does your heart rate need to be to have a heart attack?

How high does your heart rate need to be to have a heart attack?

No simple answer: If your arteries have no blockage, then there is no heart rate that will cause a heart attack. The more blocked the arteries, the lower the hr needed to outstrip the blood supply. There are other factors too, like presence/absence of anemia, hypertension, left ventricular hypertrophy, (wall thickening), and contractility which determine how much blood the heart is using and needs. ...Read more

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If weed increases you heart rate how come a heart attack doesn't happen? Just wondering

If weed increases you heart rate how come a heart attack doesn't happen? Just wondering

Weed: Heart attack is a multifactorial event. If weed was a common cause of heart attack, Bill Maher probably wouldn't be pushing it to be legalized. ...Read more

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Could my blood pressure and heart rate tell if i was having a heart attack or could it be normal even if I was having one ?

Could my blood pressure and heart rate  tell if i was having a heart attack or could it be normal even if I was having one ?

Not always: Some people can experience mild heart attacks with little or no effect on their heart rate or blood pressure and also at times no pain especially if they have conditions like diabetes as well.Really need ECG and blood studies to confirm heart attack. Talk to cardiologist if really concerned. ...Read more

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How does increased heart rate due to stress result in a heart attack?

How does increased heart rate due to stress result in a heart attack?

Increased rate: Your heart needs blood to function, if it's working harder, it needs more oxygen. If your heart blood vessels can't deliver the extra oxygen, areas of your heart become. ...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


Dr. Julie Abbott
1 doctor shared a insight

Cardiac Arrest (Definition)

Most cardiac arrest episodes are due to the heart rhythm becoming inadequate to pump blood to the body. Ventricular fibrillation is commonly the abnormal rhythm associated with cardiac arrest. If effective rhythm isn't ...Read more