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Doctor insights on: Can A Person Have A Heart Attack And An Ekg Not Detect It

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Can a person have a heart attack, but have a normal ekg?

Can a person have a heart attack, but have a normal ekg?

Yes: Especially early in the course of a heart attack the ekg can be normal. Usually some abnormalities become present with time. A heart attack cannot be excluded based on the ekg alone. ...Read more

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Dr. Creighton Wright
1,182 doctors shared insights

Myocardial Infarction (Definition)

Myocardial Infarction means some of the heart muscle dies because of insufficient oxygen supply. Most often this occurs because the coronary artery is blocked by plaque & clot. Other causes include tears in the artery wall, extremely high oxygen demand (eg, rapid arrhythmia, heart valve disorder, or severe systemic illness.) Prompt treatment can minimize heart damage & ...Read more


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Is it possible for a person with no heart disease have an attack that leads to a heart attack if they have multiple sclerosis?

Is it possible for a person with no heart disease have an attack that leads to a heart attack if they have multiple sclerosis?

NO: Multiple sclerosis does NOT involve the heart directly in any fashion. The drug Gilenya (fingolimod) could affect cardiac rhythm within the first 6 hrs of use, but otherwise, would not expect a "heart attack". ...Read more

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Could an EKG always tell if a person has heart disease?

Could an EKG always tell if a person has heart disease?

Yes: Ecgs are extremely useful, when correctly read, in suspecting or diagnosing a variety of heart diseases. They can also be falsely normal (false negative) or falsely abnormal (false positive). The inventor was awarded the nobel prize in medicine! ...Read more

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Is it possible that a blood test can indicate if you have had a minor heart attack or stroke?

Is it possible that a blood test can indicate if you have had a minor heart attack or stroke?

No!: Blood tests don't make the diagnosis of strokes. When you have chest pain , go to er where testing of blood ; other tests for heart attacks are done. ...Read more

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Would the heart rhythm different during a heart attack? Can it be detected with a stereoscope?

Would the heart rhythm different during a heart attack?  Can it be detected with a stereoscope?

No: You need a ekg tracing to detect an abnormal rhythm - if you are having symptoms , please go see a physician immidiately. ...Read more

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Why does it take 12hrs from a suspected heart attack to take a blood test to if it was a heart attack or not?

Why does it take 12hrs from a suspected heart attack to take a blood test to if it was a heart attack or not?

See below...: As the heart muscle dies due to lack of oxygen (ischemia), different cardiac muscle proteins and enzymes are released in the blood at different times. The ultra sensitive troponin test is positive in about 80% of people with MI in 2-3 hours of presentation. However, if the initial test is negative, then the troponin levels must be followed over time to see if they are rising to the MI level. ...Read more

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How serious is an abnormal EKG that shows a possible heart attack and how soon should you see a cardiologist?

How serious is an abnormal EKG that shows a possible heart attack and how soon should you see a cardiologist?

It the ecg is: Consistent with old infarction, the next step is arranging for a myorcardial perfusion stress test and evaluation of the risk factors. This can be done by his internist and there is no need for a cardiologist if you have a competent primary physician. Good luck. ...Read more

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Is it possible to have a heart attack even if my echocardiogram is normal?

Is it possible to have a heart attack even if my echocardiogram is normal?

Yes: There is no test which if normal guarantees that you will not get a heart attack. And the echocardiogram is not good for predictiong a heart attack anyway. ...Read more

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Is it possible for a person having a heart attack and not know it?

Is it possible for a person having a heart attack and not know it?

Absolutely: One of the best known research studies to examine this issue was the framingham heart study. In the study, several thousand people were followed for 50 years. One quarter of all patients with heart attacks did not have symptoms that were recognized by the patient and were not admitted to the hospital. ...Read more

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Can a person still have a heart attack if they have low cholesterol?

Can a person still have a heart attack if they have low cholesterol?

Yes: Cholesterol is only one risk factor for having a myocardial infarction. It is certainly possible to have a myocardial infarction with having a relatively low cholesterol ...Read more

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Is a stress test or heart catheterization worse to have for someone that has CHF?

Is a stress test or heart catheterization worse to have for someone that has CHF?

CHF : Either test should be performed under medical supervision once the heart failure is stabilized. The route would depend on more clinical information. ...Read more

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Is it possible for you to have a heart attack with a perma cath in?

Is it possible for you to have a heart attack with a perma cath in?

Yes.: A permacath is just a long term venous access catheter. A heart attack occurs when a coronary artery suffers acute occlusion or near occlusion at the site of an atheromatous plaque. Not related. ...Read more

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Is it possible to pass a nuclear imaging stress test and the EKG to show you had a mild heart attack in the past?

Is it possible to pass a nuclear imaging stress test and the EKG to show you had a mild heart attack in the past?

Yes: An old heart attack might not show up on the stress test if it was very small. However, some people have and ECG that looks like and old heart attack, but wasn't. This artifact commonly occurs in women. Talk to your doctor to see which is most likely. ...Read more

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27 years old EKG found that I have a right ventricular conduction delay . Is that dangerous and can it lead to a heart attack ?

27 years old EKG found that I have a right ventricular conduction delay . Is that dangerous and can it lead to a heart attack ?

See cardiologist: Would return to discuss results with provider who ordered ECG. Likely, evaluation by cardiac heart rhythm specialist & echocardiogram is needed to ensure no less common, but more dangerous underlying conditions exist. It's likely normal for you, but genetic conditions, structural problems, & causes of "arrythmias" are possible. Call 911 if dizzy, breathless, chest pain, or pass out. ...Read more

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Dr. Andrew Berry
3 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


Dr. Creighton Wright
3,967 doctors shared insights

Heart Attack (Definition)

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