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Electrocardiogram

Electrocardiogram

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Electrocardiogram (ecg, ekg) is a print-out of the electrical forces detected by electrodes on the chest wall, as electricity travels through the heart with each heart beat. The electrodes are placed in different positions, and each position "sees" the electrical activity of the heart from its own vantage point. Abnormalities in signal detected at chest surface can indicate underlying disease.

Dr. Alon Gitig reviewed this

22 year experience in Cardiology

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Related questions

A 47-year old asked:

When is an electrocardiogram needed?

1 doctor answer • 3 doctors weighed in

A 46-year old asked:

What is an electrocardiogram (ecg) used for?

2 doctor answers • 6 doctors weighed in

A 48-year old asked:

What can I expect during an electrocardiogram?

1 doctor answer • 4 doctors weighed in

A 34-year old asked:

What is an exercise electrocardiogram used for?

2 doctor answers • 8 doctors weighed in

A 33-year old asked:

When would I need an exercise electrocardiogram?

1 doctor answer • 2 doctors weighed in

A 39-year old asked:

What's the value of annual electrocardiogram (ekg)?

1 doctor answer • 4 doctors weighed in

A 32-year old asked:

Low voltagen in electrocardiogram can be dangerous?

1 doctor answer • 2 doctors weighed in

A 34-year old asked:

How often must people get an electrocardiogram (ecg)?

3 doctor answers • 5 doctors weighed in

A 34-year old asked:

What must I expect before having an electrocardiogram?

1 doctor answer • 5 doctors weighed in

A 39-year old asked:

Is it normal for the line on my electrocardiogram to dip?

1 doctor answer • 3 doctors weighed in

A 29-year old asked:

What do the letters qrs mean on the the electrocardiogram?

1 doctor answer • 7 doctors weighed in

A 39-year old asked:

What general areas can an electrocardiogram (ekg) measure?

1 doctor answer • 4 doctors weighed in

A 28-year old male asked:

What is the definition or description of: electrocardiogram?

1 doctor answer • 5 doctors weighed in

A 28-year old female asked:

What does Situs solitus and levocardio means on electrocardiogram?

1 doctor answer • 3 doctors weighed in

A 46-year old asked:

How long do you have to wait for the results of an electrocardiogram?

1 doctor answer • 3 doctors weighed in

A 43-year old asked:

Please explain what happens if the results of a electrocardiogram test is bad?

1 doctor answer • 1 doctor weighed in

A 49-year old asked:

Could you tell me if electrocardiograms only detect angina during attacks/pain?

1 doctor answer • 1 doctor weighed in

A 45-year old asked:

I'm curious what could happen to me if the results of a electrocardiogram test is bad?

1 doctor answer • 1 doctor weighed in

A 20-year old male asked:

Can an ECG(electrocardiogram) detect angina?

1 doctor answer • 2 doctors weighed in

A 32-year old asked:

What can affect the exercise electrocardiogram results?

1 doctor answer • 3 doctors weighed in

A 48-year old asked:

What are the risks of having an exercise electrocardiogram (ecg)?

1 doctor answer • 6 doctors weighed in

A 31-year old asked:

Does anyone know how much an ambulatory electrocardiogram tells you?

1 doctor answer • 3 doctors weighed in

A 33-year old female asked:

An apple one lead electrocardiogram with a reading of all spikes under the line and none above is bad? HR 89?

2 doctor answers • 3 doctors weighed in

A 39-year old asked:

Can you tell me if there are any situations where one could get an electrocardiogram (ecg) as part of preventative care?

1 doctor answer • 1 doctor weighed in

A 32-year old male asked:

I had an electrocardiogram and came out normal this was like 6month ago but I still have a little pain in my chest on my left side what could be?

1 doctor answer • 1 doctor weighed in

A 45-year old asked:

Can they use electrocardiogram on coma patients?

1 doctor answer • 1 doctor weighed in

A 49-year old asked:

Electrocardiogram (ekg) and the results where abnormal so now I have to go with a cardiologist, I'm very nervous, should I be concerned?

1 doctor answer • 1 doctor weighed in

A 32-year old asked:

What is the difference between electrocardiogram and echocardiogram?

2 doctor answers • 5 doctors weighed in

A 23-year old male asked:

Please can u tell me what is prehospital electrocardiogram is it a device in the ambulance or what ?

2 doctor answers • 2 doctors weighed in

A 40-year old asked:

How does an electrocardiogram work to figure out heart disease?

1 doctor answer • 4 doctors weighed in

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