Daily ECG
Admin: @po5eidon
instagram: instagram.com/ecg.cases
Post #1111
6.35K
How does this ECG explain it?
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Post #1110
6.32K
A 22 y female with a history of recurrent syncope
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Post #1107
6.15K
#Extra20 ❤️
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Post #1106
8.59K
The ECG demonstrates sinus tachycardia, with subtle P waves merging into the preceding T waves (as shown in the image).
There is right axis deviation, QRS prolongation (>100 ms), and a distinct terminal R wave in aVR (also highlighted in the image).
The QT interval is prolonged as well.
Although ST elevation in aVR and V1 may raise concern for acute MI, and a wide QRS can occur in hyperkalemia, the overall ECG pattern, combined with the patient’s symptoms (decreased level of consciousness and severely low blood pressure) strongly suggests sodium channel blocker toxicity, most classically TCA overdose given the patient’s history of depression , or toxicity from certain class I antiarrhythmic agents.
There is right axis deviation, QRS prolongation (>100 ms), and a distinct terminal R wave in aVR (also highlighted in the image).
The QT interval is prolonged as well.
Although ST elevation in aVR and V1 may raise concern for acute MI, and a wide QRS can occur in hyperkalemia, the overall ECG pattern, combined with the patient’s symptoms (decreased level of consciousness and severely low blood pressure) strongly suggests sodium channel blocker toxicity, most classically TCA overdose given the patient’s history of depression , or toxicity from certain class I antiarrhythmic agents.
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Post #1105
6.42K
The correct answer is “Sodium channel blocker toxicity”
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Post #1104
8.24K
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Post #1103
7.58K
A 53 y woman with a history of peptic ulcer disease, depression, and hyperlipidemia is brought to the ER after being found unresponsive with severely low blood pressure.
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Post #1102
5.22K
#Case220 ❤️
Post #1101
5.19K
Special thanks to my dear friend Salvatore for generously sharing the scheme.
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Post #1100
4.99K
The correct answer is “Non-conducted PAC”
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Post #1099
6.56K
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Post #1098
5.91K
A 62-year-old man was found to have an irregular heartbeat during a routine physical exam.
He feels completely fine and denies chest pain, palpitations, or shortness of breath.
He feels completely fine and denies chest pain, palpitations, or shortness of breath.
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Post #1097
4.61K
#Case219 ❤️
Post #1096
5.11K
A 70 y old patient with history of Multiple myeloma presents with anuria and weakness.
What explains this finding?
What explains this finding?
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Post #1095
5.06K
#Extra19 ❤️
Post #1094
6.15K
ECG.CASES What is the rhythm?
The correct answer is “AVNRT”
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Post #1093
6.94K
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Post #1092
5.49K
#Case218 ❤️
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Post #1091
5.42K
A 45 year old man comes to the ER with sudden onset rapid palpitations while at work. He has no prior cardiac history and says, “It started all of a sudden.”
His ECG is shown Above.
His ECG is shown Above.
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Post #1090
5.65K
ECG.CASES ❓What do you think about this rhythm?
This is a real arrhythmia, not an artifact. Careful review shows an irregular, continuously changing QRS morphology consistent with polymorphic VT.
The arrhythmia begins with a PVC falling on the preceding T wave (R on T phenomenon), even though the QT interval is normal.
Recognizing this pattern is crucial, as management differs entirely from a benign tracing or technical artifact.
The arrhythmia begins with a PVC falling on the preceding T wave (R on T phenomenon), even though the QT interval is normal.
Recognizing this pattern is crucial, as management differs entirely from a benign tracing or technical artifact.
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