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Doctor insights on: What Does A Normal Ekg Look Like

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What does a normal EKG look like versus an abnormal one from an undetected heart attack ?

What does a normal EKG look like versus an abnormal one from an undetected heart attack ?

A normal EKG: Because some areas of the heart are electrically silent, one can have a full blown heart attack with an entirely normal ekg. When the ekg is destined to become abnormal, it often lags, not showing changes early on: hence the need for "serial ekgs" (done daily). The adage "treat the patient, not the ekg" hasn't changed over the years. ...Read more

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Dr. Jan Lei Iwata
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Electrocardiogram (Definition)

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 ...Read more


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Does a normal EKG mean my heart is fine? I had mild symptoms of heart disease, so my doctor did an ekg. It was normal. Does this mean i definitely don’t have heart disease?

In a way yes: Since you have a normal ekg it means that you did not have a heart attack in the past. However a notmal ekg cannot r/o coronary artery disease. Stress test and echocardiography should be done to assess your coronary arteries and your cardiac structure. ...Read more

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Does a normal EKG and normal blood test mean my heart is okay? I'm a sixteen year old female , over weight . Bad anxiety i always think something is wrong with my health. I now think I have a heart problem , but the ER and the doctor says it's just my anx

Does a normal EKG and normal blood test mean my heart is okay? I'm a sixteen year old female , over weight . Bad anxiety i always think something is wrong with my health. I now think I have a heart problem , but the ER and the doctor says it's just my anx

Anxiety: Given your age, a typical work up like the one i assume you have had based on what you have mentioned, anxiety is a high likelihood for feeling of increased heart rate or even panic like symptoms that feel like chest pain, shortness of breath and makes you feel like you are having a heart attack. However, it is important to continue to be cautious and monitor your symptoms. ...Read more

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EKG Question - What would cause a small dip after the T wave? It's like a scoop about 1mm deep. Is this normal or should it be isoelectric after T?

EKG Question - What would cause a small dip after the T wave? It's like a scoop about 1mm deep. Is this normal or should it be isoelectric after T?

Yes, isoelectric if: after the T-wave. The most likely explanation is that the dip is the terminal portion of the T-wave, terminal inversion due to muscle still in recovery (to be finished late, have to leave for other obligations) ...Read more

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What does the EKG of a person with ASD look like?

What does the EKG of a person with ASD look like?

ASD ecg: read this: http://www.learntheheart.com/ecg-review/ecg-topic-reviews-and-criteria/atrial-septal-defect-review/

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Ekg showed normal rhythm but irregular tp. What does this mean?

Sinus arrythmia: Probably it is sinus arrythmia. It is normal physiological variation. ...Read more