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Doctor insights on: Low Potassium Abnormal Ekg

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If someone had high or low potassium blood levels wouldn't an EKG show something abnormal?

If someone had high or low potassium blood levels wouldn't an EKG show something abnormal?

Sometimes: As potassium goes up, often the t-waves will go up in what is usually described as "peaked." a potential negative amplitude u-wave may show itself with low potassium. ...Read more

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Dr. Mark Pack
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


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Which wave on an ECG shows low potassium? How would the wave be abnormal?

Which wave on an ECG shows low potassium? How would the wave be abnormal?

T and U: Some electrocardiographic findings associated with hypokalemia include flattened or inverted t waves, a u wave, st depression and a wide pr interval. ...Read more

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I've been having chest pains randomly for about a week and I've been to the ER twice. Ekg and X-ray showed normal. Low potassium. Is heart attack likely?

I've been having chest pains randomly for about a week and I've been to the ER twice. Ekg and X-ray showed normal. Low potassium. Is heart attack likely?

Probably not: A heart attack without major risk factors at 19 is rare - low potassium is not necessarily normal - make sure that any of your medications couldn't be affecting your potassium - are you having any reflux symptoms? ...Read more

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What can cause dizziness and a low pulse rate (44-60 bpm). EKG, X-ray, blood work, CT scan are all normal except for low potassium.

What can cause dizziness and a low pulse rate (44-60 bpm). EKG, X-ray, blood work, CT scan are all normal except for low potassium.

Dizzy with low pulse: Hello JCortes, that's a really tough set of symptoms because there can be so many causes of dizziness. The first thing to come to my mind though when I hear low blood pressure though is medications, especially blood pressure medicine. If you're taking any medicine, prescribed or not prescribed, you should probably see your doctor or google them and check for common side effects. Good luck :) ...Read more

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I have low potassium could that make me have panic attacks or anxiety problems. My doctor did a EKG and chest xray and my heart is good?

I have low potassium could that make me have panic attacks or anxiety problems. My doctor did a EKG and chest xray and my heart is good?

Not likely: It sounds like the Lo potassium was an incidental finding. After nl tests, it was determined it wasn't having clinical affects. Your sxs resemble those of panic disorder (arm pain, cp, shortness of breath), extreme anxiety, and fear of serious medical causes (like your continued concern that maybe k is the cause). Meet with your psych MD to discuss anxiety and treatments so you can be panic free ...Read more

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Sudden dizziness, arms felt cold, nausea, and feeling faint, so went to ER. EKG normal, chest X-ray & brain CT & blood tests ok but low potassium. Sent home. Can Low potassium cause these symptoms?

Sudden dizziness, arms felt cold, nausea, and feeling faint, so went to ER. EKG normal, chest X-ray & brain CT & blood tests ok but low potassium. Sent home. Can Low potassium cause these symptoms?

Not likely: Your symptoms & the rapidity with which everything seems to have come on speaks in favor of what we refer to as a VASOVAGAL reaction. For some reason you suddenly had a stimulation by the Vagus Nerve of your cardiovascular system which would've dropped your blood pressure & heart rate by a fair amount. Since you were sent home from the ER I'm sure your potassium wasn't THAT LOW to be of concern. ...Read more

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Doesn't dangerously low potassium present itself as flattened T-Waves on ECG?

Doesn't dangerously low potassium present itself as flattened T-Waves on ECG?

Yes: But flat T waves are very non-specific. Flat T waves may have many causes. "U" waves are another clue but could be seen with other conditions such as bradycardia. A T wave change (and U wave) is an ekg clue which must be verified by serum potassium level. ...Read more

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What does low potassium look like on an ecg?

What does low potassium look like on an ecg?

Low T wave: Hypokalemia (low potassium) characteristically creates a low-voltage t-wave and a prominent u-wave on ones ecg; the u-wave can merge with ones t-wave, creating a long qt interval which is associated with cardiac arrhythmias, some of which can be life-threatening. ...Read more

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25/female visited doc had 153 hr, high blood pressure, and abnormal ekg, blood tests normal, low vitamin d. Anxiety or should I see cardiologist?

25/female visited doc had 153 hr, high blood pressure, and abnormal ekg, blood tests normal, low vitamin d. Anxiety or should I see cardiologist?

Risk factors: You need see a cardiologist and have an ekg done, along with getting some blood work taken. You rapid pulse may be some thing that needs to be treated. A woman at age 25 may have a secondary cause of hypertension, such as a conn's syndrome or a renal artery stenosis. Make sure these conditions are ruled out before you start some BP meds. You low vit. D level needs treatment by an endocrinologist. ...Read more

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Sinus Rhythm Low voltage in precordial leads. -Old anterior infarct. ABNORMAL ekg?

Sinus Rhythm Low voltage in precordial leads. -Old anterior infarct. ABNORMAL ekg?

Yes, by tracing only: It is an abnormal ekg by reading of the tracing but what is most important is the ekg in relation to a good history and clinical exam. Questions to ask: do you have a past history of heart disease, high BP, diabetes, smoking? Do you have chest pain/jaw pain/pain down L arm? Is your BP high on exam? Any of these findings along with the above ekg is a MAJOR concern. Please talk with your doctor!! ...Read more

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What could be causing an abnormal EKG with high resting heartbeat and low blood pressure?

What could be causing an abnormal EKG with high resting heartbeat and low blood pressure?

Depends: Depends of course on the type of ECG abnormality. Higher heart rates and lower BP often imply relative low volume in the bloodstream. Make sure you are hydrated. If you have a sense of racing heart (palpitations) and light headedness, you should see your doctor for another ecg, possibly an echo o check structure and function of heart. Increased adrenergic (adrenalin) tone can occur if anxious. ...Read more

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Could abnormal EKG results be wrong?

Could abnormal EKG results be wrong?

Yes and no: An abnormal ECG may represent an inaccurate read, ie mistake or not overread by a competent cardiologist.
An abnormal ECG may also represent a correct read which is a false positive, very common. In other words, an ECG is not the most sensitive or specific test, and the ECG reading could be correct but doesn't necessarily mean that the patient has this particular pathology, and vice versa. ...Read more

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Could abnormal EKG need to be seen by a cardiologist?

Could abnormal EKG need to be seen by a cardiologist?

Possibly: Most ekg's are 'abnormal' because the computers that read the ekg are very sensitive and call most minor and insignificant things 'abnormal'. Board certified emergency doctors should be experienced enough with reading ekg's to know if it is serious or not. If you are not having any palpitations, chest pain or trouble breathing, it is probably not necessarry to have a cardiologist look at it. ...Read more

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What could a abnormal EKG mean?

What could a abnormal EKG mean?

Difficult to say: There are varying degrees of "abnormal". Dsiscuss specific abnormalities with your doctor or cardiologist. ...Read more

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What does a borderline abnormal EKG mean?

Borderline means it: Is just off by a little bit from normal, a variation of normal or early changes indicating possible problems. ...Read more

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What could cause an abnormal EKG for somebody with chest pains?

What could cause an abnormal EKG for somebody with chest pains?

ECG: Sorry but this question can't be answered simply. We use ECG in folks with chest pains because there are some very typical and fairly specific changes seen in myocardial ischemia. On the other hand loads of things can cause 'abnormal' ECG and some of those loads are seen in people with chest pain without serious problems. ...Read more

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Does abnormal EKG mean I have atrial fibrilation?

Does abnormal EKG mean I have atrial fibrilation?

EKG afib: An ekg can diagnose afib. There are many different abnormalities that can be seen. Abnormal does not equal a fib. ...Read more

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Abnormal EKG and doctor refferred me to a cardiologist but unsure why?

Abnormal EKG and doctor refferred me to a cardiologist but unsure why?

Would: Go by your doctor's decision and see the cardiologist. It sounds as though further evaluation is needed. ...Read more

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Dr. Madhu Kandarpa
1,326 Doctors shared insights

Potassium (Definition)

Potassium is an essential electrolyte, important in the functioning of many organs including the heart, kidneys, muscles, nerves, and digestive system. Deficiency can be caused by diseases such as kidney failure, vomiting, and diarrhea, or by ...Read more


Dr. Rick Koch
64 Doctors shared insights

Abnormal Electrocardiogram (Definition)

Abnormal electrocardiogram (EKG or ECG) is a test result in which the EKG recording of the heart's electrical activity shows problems such as rhythm problems, extra beats, skipped beats, fluid around the heart, ...Read more