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A male in his 40's who had been discharged 6 hours prior after stenting of an inferoposterior STEMI had sudden severe SOB at home 2 hours prior to calling 911. Bloodpressure was 215/124 and HR 115 (on metoprolol). Is this acute STEMI? Is this an acute STEMI? -- Unlikely! He had no chest pain.
He presented to the Emergency Department with a bloodpressure of 111/66 and a pulse of 117. He was rushed by residents into our critical care room with a diagnosis of STEMI, and they handed me this ECG: There is sinus tachycardia with ST elevation in II, III, and aVF, as well as V4-V6. He had this ECG recorded.
Still Irregular Bloodpressure during these rhythms was adequate; there was no shock. Old MI with persistent ST Elevation (LV aneurysm morphology) can look like acute MI 2. Not all anterior LV aneurysm has a QS-wave. LV Aneurysm? Looks like atrial fibrillation. At this point, they recorded the above 12-lead.
Note that they finally have laid to rest the new or presumably new LBBB as a criteria for STEMI. Note that they finally have laid to rest the new or presumably new LBBB as a criteria for STEMI. Also note that they allow ST depression c/w posterior MI to be a STEMI equivalent. What is the utility of a head CT in cardiac arrest?
Her bloodpressure on arrival was 153/69. There are no Q-waves to suggest old inferior MI, or inferior aneurysm as the etiology of the ST Elevation. Supply-demand mismatch can cause ST Elevation (Type 2 STEMI). Also see these posts of Type II STEMI. She arrived to the ED with a nonrebreather mask. Management?
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