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Doctor insights on: Ekg Lead Placement Mnemonic

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Can incorrect lead placement lead to an inverted t-wave on ekg?

Can incorrect lead placement lead to an inverted t-wave on ekg?

Yes: Yes, absolutely. Avr usually has inverted t-waves normally. If you invert left and right arm electrodes, avr becomes avl so now avl has inverted t waves (where as typically it does not). ...Read more

Dr. Sheila Smith
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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Lead placement for a five-lead ECG system?

Lead placement for a five-lead ECG system?

Usual: White to the right arm, black to the left arm, red to the left leg, green to the right leg, usually the v lead is brown which goes to the precordial placements. ...Read more

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Does electrode placement on EKG affect outcome results, ?

Does electrode placement on EKG affect outcome results, ?

Ecg: The ECG records the vector direction of the signals in the heart. As such the placement of the leads is crucial to the interpretation of the ECG patterns recorded. ...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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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

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Slightly peaked t waves in v2 and v3 on 12 lead EKG but all else normal. Is this ok or hyperkalemia/ mi?

Slightly peaked t waves in v2 and v3 on 12 lead EKG but all else normal. Is this ok or hyperkalemia/ mi?

Your 18: Your 18, so your probably fine unless there is reason to think there is something wrong. Do you have chest pain? Kidney problems? Why did you get an ekg? ...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.

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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What should p waves look like in lead v1? What does it mean if different on some EKG? One will show completely positive, one fully negative, another biph

There can be a lot: Of normal variability to the p-wave morphology in V1. More so in women. In general a biphasic or mostly upright p wave is usual. Certainly you could have an ectopic atrial activation in which case the morphology would be altered. Physical positioning (sitting, lying or at 30 degrees) for the EKG will also make a difference. Lead position too. Regardless it is usually of no clinical significance. ...Read more

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Can you see heart attack changes on a 3 lead EKG?

Can you see heart attack changes on a 3 lead EKG?

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% ...Read more

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Would a heart attack usually show up on a 3 lead EKG?

Would a heart attack usually show up on a 3 lead EKG?

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. ...Read more

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Ecg: flat t wave. Echo: ef 60%. Basis on this diagnosis is ischemia. Being asked to undergo stent placement? Should go for it or not?

Ecg: flat t wave. Echo: ef 60%. Basis on this diagnosis is ischemia. Being asked to undergo stent placement? Should go for it or not?

Need more info...: Would need to know your symptoms and the results of a stress test to clarify better.

You are right to ask questions. Except in extreme emergencies, one can always ask for a second opinion ...Read more

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Cardiology. Wat relarevance dose a Q Wave have on lead 3 of an EKG. Where dose intrascapula fit is this part of another condition? And affects the heart

Cardiology. Wat relarevance dose a Q Wave have on lead 3 of an EKG. Where dose intrascapula fit is this part of another condition? And affects the heart

None.: It is not uncommon for young adults to have Q waves. These are normal and are the first activation of the bottom of the heart, between the main pumping chambers, called the interventricular septum. After that, it splits into Left and Right sides but that first Q wave is picked up as the initial beat of the ventricles before spreading out into the main heart muscles that make the main Signal. ...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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Had 3 EKG same day all diff times and they all say same thing sinus rhythm left atrial abnormality low limb lead voltage What does this mean?

Had 3 EKG same day all diff times and they all say same thing sinus rhythm left atrial abnormality low limb lead voltage What does this mean?

These are all most: Likely normal for you but without knowing more about your body habitus it is impossible to say. It certainly is nothing serious and you can wait to discuss it with your health care provider at your next routine visit. ...Read more

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My bf EKG resulted in probable intraventricular conduction delay and right ventricular hypertrophy on lead 1. Should I be worried? He is 24 and athleti

May be normal: In a young person, an ECG may show those findings (especially with an automated interpretation program) and still be normal, though the possibility of a congenital heart problem or elevated pressure in the lung circulation cannot be ruled out. Best thing to do is to talk to his doctor, consider getting an echocardiogram with doppler pressures, and if that is abnormal, see a cardiologist. ...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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Had abnormal EKG. T wave inversion in lead V1, V2 and V3. Mild mitral regurgitation. And they think right ventricular hypertrophy. Is this normal?

You answered that: You correctly described your ECG as abnormal, so, no it's not normal. The ecg changes you described don't necessarily mean RVH. And mild MR doesn't cause RVH so I wonder if you're a bit confused. If you had an echo and it didn't show RVH then you're done. Ask your provider to explain the findings. ...Read more

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Low blood pressure, lack of urination, no appetite, heart flutters and pounds at times, tingling in left arm, low heart rate, 4 lead EKG showed fine?

Low blood pressure, lack of urination, no appetite, heart flutters and pounds at times, tingling in left arm, low heart rate, 4 lead EKG showed fine?

Many issues: You mention several symptoms. Some, all, or none of them may be related. With regard to heart "flutters, " "pounds, " and "low heart rate, " you should do a 30-day heart monitor so that your symptoms can be correlated to your heart rhythm. A "normal" ekg is not helpful if you were not having symptoms at the moment it was taken. Other symptoms can be investigated after heart is sorted out. ...Read more

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Why is it called 12 lead ecg if it only uses 10? Pls explain

The EKG is routinely: Performed with 6 chest wires (V1-V6) (six signals or leads) and the four arm wires. 10 wires. The signals from the arm and leg wires are electronically combined to provide a triangular pattern of three leads (signals) I, II, III. And then also electronically combined to produce what is called augmented leads (signals). aVR, aVL, and aVF. 6 more signals (leads). Thus 10 wires and twelve leads. ...Read more

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What is the indication for having a flat t wave in 12 lead ecg?

T Wave flattening: In the absence of clinical history or symptoms, t wave abnormalities such as flattened t waves are nonspecific. They may be seen in healthy individuals, leading to mistaken diagnosis of heart disease. Pathological causes are many & include myocardial ischemia, electrolyte abnormality, stroke, anticancer medications, and even with fever and after eating. Your dr, will tell you more. ...Read more

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On a 3 lead 24h ecg, would it pick up changes from angina like a 12lead?

A 12 lead is better: Depending on the leads and the area affected. It is possible albeit a 12 lead is more definitive. Further testing would rule out ant coronary occlusive disease. ...Read more