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Doctor insights on: Ecg Practice Questions

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My question is I have had multiple ecgs dine and some my PR interval is short and some my PR interval is normal!?!? What could be causing this?

My question is I have had multiple ecgs dine and some my PR interval is short and some my PR interval is normal!?!? What could be causing this?

Pre-excitation: Some patients maybe born with a bypass tract or accessory tract. An extra pathway for electricity in the heart that might make one susceptible to abnormal heart rhythms. A detailed evaluation by a cardiologist is necessary to further assess and if needed referral to an electrophysiologist. A history of palpitations, rapid heart rate or syncope may indicate the short PR is significant. ...Read more

Dr. Walter Husar
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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Sorry 4 so many questions I'm scared to sleep due to sudden change in ECG from normal to non specific t wave abnormality in a few hours exstreme aniexty Google says sign of serious problem?

Sorry 4 so many questions I'm scared to sleep due to sudden change in ECG from normal to non specific t wave abnormality in a few hours exstreme aniexty Google says sign of serious problem?

Not a problem: The T wave is the most labile wave in the ECG. T wave changes including low-amplitude T waves and abnormally inverted T waves may be the result of many cardiac and non-cardiac conditions. The normal T wave is usually in the same direction as the QRS except in the right precordial leads (see V2 below). See link for details but try not to get confused with medical jargon. Consult your MD for sp qs. ...Read more

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What does nssttwc in my ECG mean?

What does nssttwc in my ECG mean?

EKG: Non-specific ST-T wave changes. Means minor repolarization change in a region of the heart. Can appear with hi bp, electrolyte change, minor ischemia, thyroid disorder, or be meaningless. ...Read more

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Why my ECG show so bizarre?

Why my ECG show so bizarre?

ECG: That would be a question to ask the physician who read your ecg. We on healthtap have not seen your study. Sometimes leads can be attached to the patient incorrectly, leading to a "bizarre" ecg. Please talk with your doctor about it. ...Read more

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Is a delta wave in my ECG harmful?

Is a delta wave in my ECG harmful?

It depends.: Delta waves are present in patients with wolf-parkinson-white syndrome (wpw). This condition can be associated with rapid arrhytmias. In some patients it may be asymptomatic. Patients with serious rhythm disorders can be treated with ablation of the accessory electrical pathway which results in abolition of the arrhythmias. At experienced centers the success rate is very good. ...Read more

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What are normal variants on an ecg?

What are normal variants on an ecg?

It depends....: This is a very broad question. Many factors affect an ekg - patient age, sex, medications, other medical issues. Also how does the ekg compare to a prior one? Is the patient having symptoms. These are all important considerations which shouold be addressed with a physician well versed in your medical history. ...Read more

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How often must people get an electrocardiogram (ecg)?

ECG: Once you have a baseline ecg, you really only need others for changes in status. If nothing new appears to be going on to evaluate, you don't really need another one. ...Read more

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