Incomplete right bundle branch block https://www.ecgguru.com/taxonomy/term/639/all en Anterior-Septal M.I. With Atrial Fibrillation https://www.ecgguru.com/ecg/anterior-septal-mi-atrial-fibrillation <div class="field field-name-field-ecg field-type-image field-label-hidden"><div class="field-items"><div class="field-item even"><a href="/ecg/anterior-septal-mi-atrial-fibrillation"><img typeof="foaf:Image" src="https://www.ecgguru.com/sites/default/files/AW114%20A%20Fib_0.jpg" width="1800" height="1314" alt="" /></a></div></div></div><div class="field field-name-field-ecg-interpretation field-type-text-long field-label-hidden"><div class="field-items"><div class="field-item even"><p class="MsoNormal">This is an interesting teaching ECG on many levels.  It is obtained from a man with chest pain. No other history or follow up is available.<span style="font-size: 8pt; line-height: 107%;"> </span></p><p class="MsoNormal"><strong>Acute M.I.     </strong><span style="font-size: 13.008px; line-height: 1.538em;">Most striking is probably the clearly-seen anterior-septal wall M.I.</span><span style="font-size: 13.008px; line-height: 1.538em;">  </span><span style="font-size: 13.008px; line-height: 1.538em;">There is ST segment elevation in Leads V</span><sub>1</sub><span style="font-size: 13.008px; line-height: 1.538em;">, V</span><sub>2</sub><span style="font-size: 13.008px; line-height: 1.538em;">, and V</span><sub>3</sub><span style="font-size: 13.008px; line-height: 1.538em;">, with ST depression in the low-lateral leads, V</span><sub>5 </sub><span style="font-size: 13.008px; line-height: 1.538em;">and V</span><sub>6</sub><span style="font-size: 13.008px; line-height: 1.538em;">.</span><span style="font-size: 13.008px; line-height: 1.538em;">  </span><span style="font-size: 13.008px; line-height: 1.538em;">There is also ST depression in the inferior Leads II, III, and aVF.</span><span style="font-size: 13.008px; line-height: 1.538em;">  </span><span style="font-size: 13.008px; line-height: 1.538em;">The ST elevations have a coved-upward (frown) shape in V</span><sub>1</sub><span style="font-size: 13.008px; line-height: 1.538em;"> and a straight shape in V</span><sub>2</sub><span style="font-size: 13.008px; line-height: 1.538em;"> and V</span><sub>3</sub><span style="font-size: 13.008px; line-height: 1.538em;">.</span><span style="font-size: 13.008px; line-height: 1.538em;">  </span><span style="font-size: 13.008px; line-height: 1.538em;">Both of these ST shapes are abnormal and reflect injury.</span><span style="font-size: 13.008px; line-height: 1.538em;">  </span><span style="font-size: 13.008px; line-height: 1.538em;">The depressions are presumed to be due to reciprocal changes, since there is no other ST-depression producing condition apparent.</span><span style="font-size: 13.008px; line-height: 1.538em;">  </span><span style="font-size: 13.008px; line-height: 1.538em;">There are abnormal Q waves in V</span><sub>1</sub><span style="font-size: 13.008px; line-height: 1.538em;">, which could herald the onset of pathological Q waves, a sign of necrosis, in the anterior-septal wall.</span><span style="font-size: 8pt; line-height: 107%;"> </span></p></div></div></div> Sat, 13 Feb 2016 01:33:49 +0000 Dawn 687 at https://www.ecgguru.com