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Doctor insights on: How To Interpret 12 Lead Ekg

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If i had hyperkalemia wouldn't it show peaked t waves throughout entire 12 lead EKG with widened qrs?

If i had hyperkalemia wouldn't it show peaked t waves throughout entire 12 lead EKG with widened qrs?

Depends: That is with life threatening hyperkalemia. If your case is mild, or chronic, it may not manifest yet with ekg abnormalities. ...Read more

Dr. William Singer
2 doctors shared insights

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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Is a 10 lead EKG machine as good as a 12 lead machine?

Is a 10 lead EKG machine as good as a 12 lead machine?

Depends: In some cases, a 3 or 5-lead ekg provides sufficient information. However, for a full picture of what the heart is doing, a 12-lead is the best. It takes 10 physical leads to produce a 12- lead ecg. Left and right arms, left and right legs, v1-v6. ...Read more

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What does an EKG 12-lead impression: non-specific st t wave abnormality mean?I i just need to know what this test result means.

A : A "nonspecific" abnormality means that the wave doesn't look like the typical, standard ekg. The st-t wave is the wave that occurs right after the qrs. Often times the wave doesn't look typical, but it is important to note if prior ekg's have appeared the same for the patient. Also, some medications can cause these changes. ...Read more

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I have my 12 lead EKG result showing sinus rhythm with sinus arrhythmia and non specific t wave change. My qrs is 112ms and qt 586ms with 85 beat/sec.?

I have my 12 lead EKG result showing sinus rhythm with sinus arrhythmia and non specific t wave change. My qrs is 112ms and qt 586ms with 85 beat/sec.?

Possibly abnormal: The qt prolongation coupled with the nonspecific t wave changes is abnormal and concerning. This may be an indicator of a condition called long qt syndrome, which may be life-threatening. See a cardiologist for further evaluation. ...Read more

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Meaning of the diagnosis from an EKG, 12 Lead, Initial: Sinus bradycardia, Low voltage QRS, Possible Septal and Inferior infarcts, age undetermined.

Meaning of the diagnosis from an EKG, 12 Lead, Initial: Sinus bradycardia, Low voltage QRS, Possible Septal and Inferior infarcts, age undetermined.

3 things: Sinus bradycardia means the heart rate is less than 60 Low voltage QRS could be associated with many things, including obesity, emphysema, lung disease, pericardial effusion, infiltrative cardiomyopathy, etc Possible septal and inferior infarcts age undetermined: there is some evidence of possible heart attacks on the septal and inferior walls of the heart, and cannot determine the age of events ...Read more

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Hi. I'm a Paramedic and when I did a 12-lead ECG on myself at work I found an rsr' complex in V1(rsr' is 0.08s wide). It wasn't there when I did an ECG a couple of years ago. What should I do?

Hi. I'm a Paramedic and when I did a 12-lead ECG on myself at work I found an rsr' complex in V1(rsr' is 0.08s wide). It wasn't there when I did an ECG a couple of years ago. What should I do?

If you have no: cardiac symtoms (dyspnea, chest pain, palpitations, exertional limitation) then do nothing. Perhaps another EKG in a few years for interest. I suspect your conduction system is aging or more likely your lead position or body position was different now than the last time. This could be an early sign of right heart disease so an echo could be useful, nothing would be done until you have symptoms. ...Read more

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How can I differentiate SVT and psvt, when 12 lead ECG showing as like as svt?

How can I differentiate SVT and psvt, when 12 lead ECG showing as like as svt?

No difference: The ekg would look the same. Most people tend to use the terms psvt and svt interchangeably. ...Read more

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I have chest pain more on swallowing, 12 lead ecg. Small Q waves in inferior leads plus v5 and 6, what could be wrong?

I have chest pain more on swallowing, 12 lead ecg. Small Q waves in inferior leads  plus v5 and 6, what could be wrong?

Chest pain: It appears you are already under care of a physician having had an ekg done. If you have q waves, it may indicate old myocardial infarction. But we have to take into account your symptoms, your risk factors before deciding on further testing like a nuclear stress test, or a cardiac cath. Your primary care physician or cardiologist would be able to guide you ...Read more