Arrhythmia Echocardiogram Ischemia 
Dr. Smith's ECG Blog
JANUARY 2, 2025
It should be kept in mind that on occasions, beta-one agonist can result in increased ventricular ectopy e.g., in severe myocardial ischemia (by increasing myocardial demand), or sometimes with congenital long-QT syndrome. Smith, this can be accomplished by either using beta-one agonists or temporary transvenous pacing.
Ken Grauer, MD
JANUARY 13, 2024
My written interpretation on a tracing such as this one would read, "Marked LVH and 'strain' and/or ischemia — with need for clinical correlation." BOTTOM LINE: ECG changes of LV "strain" and/or ischemia that we see on today's initial ECG — were not present 9 years earlier. WPW Cardiac arrhythmias ( including AFib ).
Dr. Smith's ECG Blog
NOVEMBER 19, 2016
A transthoracic echocardiogram showed an LV EF of less than 15%, critically severe aortic stenosis , severe LVH , and a small LV cavity. 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.
Dr. Smith's ECG Blog
FEBRUARY 6, 2024
The ECG shows sinus tachycardia with RBBB and LAFB, without clear additional superimposed signs of ischemia. Hopefully a repeat echocardiogram will be performed outpatient. Other Arrhythmias ( PACs, PVCs, AFib, Bradycardia and AV conduction disorders — potentially lethal VT/VFib ). Chest trauma was suspected on initial exam.
Dr. Smith's ECG Blog
JANUARY 1, 2013
Precordial ST depression may be subendocardial ischemia or posterior STEMI. I have warned in the past that one must think of other etiologies of ischemia when there is tachycardia. Whether it is subendocardial ischemia or posterior STEMI, if you cannot get it to resolve, you must activate the cath lab. There is no ST elevation.
Dr. Smith's ECG Blog
OCTOBER 15, 2024
Additionally, his cardiac telemetry monitor showed runs of accelerated idioventricular rhythm, a benign arrhythmia often associated with coronary reperfusion. Whether these EKGs show myocarditis, a normal variant, or something else, they are overall not typical of transmural ischemia of the anterior or high lateral walls.
Dr. Smith's ECG Blog
NOVEMBER 4, 2022
His response: “subendocardial ischemia. Smith : It should be noted that, in subendocardial ischemia, in contrast to OMI, absence of wall motion abnormality is common. See this case: what do you think the echocardiogram shows in this case? Anything more on history? POCUS will be helpful.”
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