MI Diagnosis in RBBB: Difference between revisions
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As shown in the examples below, [[Myocardial Infarction|myocardial infarction]] diagnosis in [[RBBB|right bundle branch block]] is not very different from normal MI diagnosis. | As shown in the examples below, [[Myocardial Infarction|myocardial infarction]] diagnosis in [[RBBB|right bundle branch block]] is not very different from normal MI diagnosis. As repolarisation in leads V1-V3 is often abnormal in RBBB, these leads cannot always be used for the diagnosis of ischemia. | ||
==Examples== | ==Examples== | ||
<gallery> | <gallery> | ||
Image:RBBB_inf_MI.jpg|Patient with RBBB and inferior MI. Notice left axis deviation. | Image:RBBB_inf_MI.jpg|Case 1a: Patient with RBBB and inferior MI. Notice left axis deviation. | ||
Image:RBBB_inf_MI_V4R.jpg|Lead V4R in the same patient with RBBB and inferior MI clearly shows ST elevation. | Image:RBBB_inf_MI_V4R.jpg|Case 1b: Lead V4R in the same patient with RBBB and inferior MI clearly shows ST elevation. | ||
Image:RBBB_inf_MI_baseline.jpg|The same patient before | Image:RBBB_inf_MI_baseline.jpg|Case 1c: The same patient before acute MI developed. Horizontal axis. | ||
Image:E000551.jpg| Case 2a: RBBB with anterior myocardial infarction. ST elevation in V2-V3. | |||
Image:E000549.jpg| Case 2b: ECG from the same patient before the MI occured. | |||
</gallery> | </gallery> | ||
Latest revision as of 18:00, 15 August 2011
As shown in the examples below, myocardial infarction diagnosis in right bundle branch block is not very different from normal MI diagnosis. As repolarisation in leads V1-V3 is often abnormal in RBBB, these leads cannot always be used for the diagnosis of ischemia.
Examples
Case 1a: Patient with RBBB and inferior MI. Notice left axis deviation.
Case 1b: Lead V4R in the same patient with RBBB and inferior MI clearly shows ST elevation.
Case 1c: The same patient before acute MI developed. Horizontal axis.
Case 2a: RBBB with anterior myocardial infarction. ST elevation in V2-V3.
Case 2b: ECG from the same patient before the MI occured.
