Critical Care Ischemia Tachycardia 
Dr. Smith's ECG Blog
OCTOBER 26, 2010
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. ACS and STEMI generally do not cause tachycardia unless there is cardiogenic shock. He had this ECG recorded.
Dr. Smith's ECG Blog
APRIL 8, 2016
If there is polymorphic VT with a long QT on the baseline ECG, then generally we call that Torsades, but Non-Torsades Polymorphic VT can result from ischemia alone. See here for management of Polymorphic Ventricular Tachycardia , which includes Torsades. Crit Care Med. Setting: Multidisciplinary critical care unit.
Dr. Smith's ECG Blog
OCTOBER 7, 2019
Although the shock is no doubt partly a result of poor pump function, with low stroke volume, especially of the RV, it should be compensated for by tachycardia. RCA ischemia often results in sinus bradycardia from vagal reflex or ischemia of the sinus node. This is a perfect indication for atropine.
Dr. Smith's ECG Blog
MAY 5, 2022
After initiating treatment for hyperkalemia, repeat ECG showed resolution of Brugada pattern: The ECG shows sinus tachycardia. It is critically important for all EM and critical care providers to have an intimate understanding of hyperkalemia and its ECG findings. A Very Wide Complex Tachycardia. Use Lewis Leads!!
Dr. Smith's ECG Blog
DECEMBER 16, 2024
She had this ECG recorded: Obvious massive anterior STEMI She was quickly brought to the critical care area and the cath lab was activated. The blood pressure was 170/100 in the critical care area. Most dissections which cause coronary ischemia are into the RCA ostium ("ostium" = locations of takeoff of the vessel).
Dr. Smith's ECG Blog
MARCH 8, 2025
It is possible there is microvascular dysfunction producing residual transmural ischemia. But this is most common when there is prolonged ischemia, and this patient had the fastest reperfusion imaginable! Multidisciplinary critical care management of electrical storm. link] Jentzer, J. Noseworthy, P. Kashou, A.
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