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ECG 5 Beginner ECG 6 Beginner ECG 7 Beginner ECG 8 Beginner ECG 9 Beginner ECG 10 Beginner ECG 11 Beginner ECG 12 Beginner ECG 13 Beginner ECG 14 Beginner ECG 15 Beginner ECG 16 Beginner ECG 17 Beginner ECG 18 Beginner ECG 19 Beginner ECG 20 Beginner ECG 21 Beginner ECG 22 Beginner ECG 23 Beginner ECG 24 Beginner ECG 25 Beginner ECG 26 Beginner ECG 27 Beginner ECG 28 Beginner ECG 29 Beginner ECG 30 Expert ECG 1 Expert ECG 2 Expert ECG 3 Expert ECG 4 Expert ECG 5 Expert ECG 6 Expert ECG 7 Expert ECG 8 Expert ECG 9 Expert ECG 10 Expert ECG 11 Expert ECG 12 Expert ECG 13 Expert ECG 14 Expert ECG 15 Expert ECG 16 Expert ECG 17 Expert ECG 18 Heart Blocks ECG 1 Heart Blocks ECG 2 Heart Blocks ECG 3 Heart Blocks ECG 4 Heart Blocks ECG 5 Heart Blocks ECG 6 Heart Blocks ECG 7 Heart Blocks ECG 8 Heart Blocks ECG 9 Heart Blocks ECG 10 Heart Blocks ECG 11 Heart Blocks ECG 12 Heart Blocks ECG 13 Heart Blocks ECG 14 Heart Blocks ECG 15 Heart Blocks ECG 16 Heart Blocks ECG 17 Heart Blocks ECG 18 Heart Blocks ECG 19 Heart Blocks ECG 20 Heart Blocks ECG 21 Heart Blocks ECG 22 Heart Blocks ECG 23 Heart Blocks ECG 24 Heart Blocks ECG 25 Heart Blocks ECG 26 Heart Blocks ECG 27 Heart Blocks ECG 28 Heart Blocks ECG 29 Heart Blocks ECG 30 Heart Blocks ECG 31 Heart Blocks ECG 32 Heart Blocks ECG 33 Heart Blocks ECG 34 Heart Blocks ECG 35 Heart Blocks ECG 36 Heart Blocks ECG 37 Heart Blocks ECG 38 Heart Blocks ECG 39 Heart Blocks ECG 40 Heart Blocks ECG 41 Heart Blocks ECG 42 Heart Blocks ECG 43 Heart Blocks ECG 44 Heart Blocks ECG 45 Heart Blocks ECG 46 Infarcts and Ischemia ECG 1 Infarcts and Ischemia ECG 2 Infarcts and Ischemia ECG 3 Infarcts and Ischemia ECG 4 Infarcts and Ischemia ECG 5 Infarcts and Ischemia ECG 6 Infarcts and Ischemia ECG 7 Infarcts and Ischemia ECG 8 Infarcts and Ischemia ECG 9 Infarcts and Ischemia ECG 10 Infarcts and Ischemia ECG 11 Infarcts and Ischemia ECG 12 Infarcts and Ischemia ECG 13 Infarcts and Ischemia ECG 14 Infarcts and Ischemia ECG 15 Infarcts and 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All ECG 143
1. Junctional rhythm
2. Left bundle branch block
3. SVT with aberrancy
Not all ECG tracings are clear cut and textbook quality. This ECG is a bit vague in a couple of ways. There is some baseline artifact making it difficult to see if there is truly P wave activity. There are some QRS complexes toward the beginning of the tracing where a P wave can be imagined; however, these are not consistent. The first four QRS complexes are very regular, but then the fifth has a longer RR interval. The rhythm is likely junctional, but it is not completely clear.
Then the QRS rate increases suddenly toward the end of the tracing. Note that the QRS morphology remains the same as far as we can tell. This fact alone gives the diagnosis of SVT with aberrancy and not ventricular tachycardia. Click the Ventricular Tachycardia topic review below to see how to distinguish VT from SVT with aberrancy.
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