Yaqob Hamood
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Medical Content: #ABG #ECG #medicine #pharmacy For education purposes @YAQOB2022
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Pericarditis Vs BER
ST segment / T wave ratio:
The vertical height of the ST segment elevation (from the end of the PR segment to the J point) is measured and compared to the amplitude of the T wave in V6:
ST / T wave ratio of > 0.25 suggests pericarditis
ST / T wave ratio of < 0.25 suggests BER
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🔹Widespread concave ST elevation, most prominent in the mid-to-left precordial leads (V2-5)
🔹Notching or slurring at the J point
🔹Prominent, slightly asymmetrical T waves that are concordant with the QRS complex
🔹ST elevation : T wave height ratio in V6 < 0.25 (see below)
🔹No reciprocal ST depression to suggest Occlusion MI
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Avoid diagnosing BER in patients over the age of 50, especially those with risk factors for ischaemic heart disease.
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Benign early repolarisation (BER) is a usually benign ECG pattern producing widespread ST segment elevation that is commonly seen in young, healthy patients < 50 years of age. Also known as “high take-off” or “J-point elevation”, it may mimic pericarditis or acute MI.
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Repost from Yaqob Hamood
✉ simply you can determine QRS Axis :
➡️ See lead I
➡️See Lead aVF
🎙Then if QRS :in Lead I positive and in Lead aVF positive ➡️ normal axis
🎙 If QRS : in lead I positive and Lead aVF negative ➡️Left axis deviation
🎙 If QRS : in Lead I negative and in Lead aVF positive ➡️ Right Axis deviation
🎙If QRS : in lead I negative and in Lead aVF negative ➡️ Extreme Right Axis deviation or Extreme Axis deviation
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Each large sequre equal 0.2 second so each 30 large square equal 6 second
So count R wave in 30 large square then multiply by 10 = rate per minute
