12 lead ECG normal sinus rhythm labelled leads normal ECG
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ECG interpretation ST elevation criteria ACC AHA electrocardiogram clinical information
From this photographed tracing, the ECG appears to show:
Sinus rhythm: each QRS appears preceded by a P wave, with a regular rhythm.
Heart rate: approximately 70-80 beats/minute.
QRS complexes: appear narrow, without an obvious bundle-branch block.
Axis/intervals: no clear major abnormality visible from this photo.
ST-T waves: there is mild, upward-concave ST/J-point elevation most noticeable in V2-V4, which can be a normal early-repolarization pattern, particularly in younger people. I do not see a definite acute STEMI pattern on this image, but the photo quality and angle make precise measurement unreliable.
Important: This is not a substitute for an official ECG reading. Interpretation depends on symptoms, age, prior ECGs, examination, and accurate calibrated measurements. Acute ischemia is assessed using changes in contiguous leads, as summarized by AHA ECG standards.
If this ECG was done because of chest pain, breathlessness, sweating, fainting, new palpitations, or pain spreading to the arm/jaw/back, seek emergency care now, even if the ECG seems non-diagnostic. Please have the original printout reviewed by a clinician or cardiologist.
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