Dysrhythmia Ischemia Tachycardia 
Dr. Smith's ECG Blog
FEBRUARY 6, 2024
The ECG shows sinus tachycardia with RBBB and LAFB, without clear additional superimposed signs of ischemia. See these publications for more information Overall, management for cardiac contusion is mostly supportive unless surgical complications develop, involving appropriate treatment of dysrhythmias and hemodynamic instability.
Dr. Smith's ECG Blog
DECEMBER 26, 2020
We have also shown several cases in which atrial flutter hides true, active ischemia. Tachycardia and ST Elevation. Tachycardia to this degree can cause ST segment changes in several ways. Tachycardia to this degree can cause ST segment changes in several ways. Christmas Eve Special Gift!! Is this inferor STEMI?
Dr. Smith's ECG Blog
OCTOBER 25, 2022
We see a regular tachycardia with a narrow QRS complex and no evidence of OMI or subendocardial ischemia. The differential of a regular narrow QRS tachycardia is sinus tachycardia, SVT, and atrial flutter with regular conduction. Now the patient is in sinus tachycardia. Her initial EKG is below. Adenosine worked.
Dr. Smith's ECG Blog
MARCH 6, 2020
Here was his ED ECG: There is sinus tachycardia (rate about 114) with nonspecific ST-T abnormalities. There is no evidence of infarction or ischemia. An ECG was recorded: This shows a regular narrow complex tachycardia at a rate of about 160. There are nonspecific ST-T abnormalities. This seems to me to be very unlikely.
Dr. Smith's ECG Blog
MAY 27, 2012
Is there ischemia? ECG Diagnosis is either : 1) junctional rhythm with new LBBB, and possibly ischemia 2) accelerated idoventricular rhythm with possible ischemia, and possibly related to restoration of normal perfusion. The second explanation (AIVR), whether as a reperfusion dysrhythmia or not, seems most likely.
Dr. Smith's ECG Blog
SEPTEMBER 7, 2020
Here is his 12-lead: There is a wide complex tachycardia with a rate of 257, with RBBB and LPFB (right axis deviation) morphology. Read about Fascicular VT here: Idiopathic Ventricular Tachycardias for the EM Physician Case Continued He was completely stable, so adenosine was administered. See Learning point 1 below. Arch Intern Med.
Dr. Smith's ECG Blog
NOVEMBER 19, 2016
DISCUSSION: The 12-lead EKG EMS initially obtained for this patient showed severe ischemia, with profound "infero-lateral" ST depression and reciprocal ST elevation in lead aVR. The ECG cannot diagnose the etiology of ischemia; it only the presence of ischemia, from whatever etiology.
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