Doctor insights on:
Can A Person Have A Heart Attack And An Ekg Not Detect It
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
Impossible: There are numerous diagnosable problems seen on ekg during and after a myocardial infarction. The question here on this simple app, however, is way too broad and too ambiguous to answer with any confidence.
Well: I'm electrocardiogram there are usually changes that reflect haven't had a heart attack or myocardial infarction. However electrical abnormalities in the conduction system of the heart can't look like a heart attack or infarct. Also some infarcts do not show up on the EKG. Most the time the EKG is abnormal and shows a prior heart attack or while you're having a heart attack itshows the acute changes of a heart attack but it's not 100%
It can : A complete ECG is all 12 leads. Having said that a 3 lead ECG can give suspicion to prior injury or infarct, but not confirm for as confidently. Also matters which 3 leads are being traced, contiguous or not so that it would be more or less accurate if it made an anatomic sense.
Occurs: It happens al the time, that is why cardiac enzymes are measured in the blood. Subendocardial infarcts which are the most common, may present with normal or near normal electrocardiograms. If at the emergency room when the heart attack occurs, cardiac enzymes may still be normal. It takes 4 hours of myocardial death for troponins to begin rising. Clinical suspicion, infarct syndrome, cardiaccath.See 1 more doctor answer
Yes : Today and until the beginning, and depending on the amount of damage.See 1 more doctor answer
Depends: We may find surreptitiously in doing ekg that they may be an old heart attack. We work up the heart to find out if there is clogging of arteries or by echo how well the heart is functioning. If it is acute with symptoms and ekg suggestive of heart attack, the person is admitted to the hospital for blood tests and proper treatment by the cardiologist either invasively or by meds.
EKG : Ekg and blood work can tell if on is having a heart attack. Chest pain due to coronary artery disease ( angina) may not be detected with either of these tests. Stress test may be indicated. Again stress test may be falsely negative. Coronary angiography is the gold standard to rule out narrowing of coronary arteries.See 1 more doctor answer
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.See 1 more doctor answer
Ekg's a week apart show heart attack with thickening on right side of heart. What does this mean?
Abnormal: Ekg shows electrical shifts the damaged-heart attacked muscle signal, is reduced. Q waves or flattening of the ekg trace are seen and commented in the report. Thickening is not a usual comment. That would be seen on an echocardiogram more likely. Ventricular hypertrophy and larger signals can be identified by ekg.
I had an EKG a week ago that looked good. Is it likely to have a heart attack after a recent clear ekg?
My ekg said short st.. what's this mean and what causes it? Also does a normal ekg mean I'm not having a heart attack?
Pattern between S&T: Waves in EKG. Study: https://goo.gl/RBVB3n. EKGs actually miss most heart attacks because (to be continued).
Is it possible to have a heart attack with completely normal ekg? What changes are looked for besides s-t segment & t wave?
How does a 12 second EKG show a prior heart attack? Like, what shows on the waves that represents the heart attack? Curious, not urgent
Just got EKG-showed heart attack! I'm in good health & exercise a lot.Should I be having some discomfort if I had a heart attack in the past?
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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