Remove 2014 Remove Tachycardia Remove Ultrasound
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Acute artery occlusion -- which one?

Dr. Smith's ECG Blog

It shows sinus tachycardia with right bundle branch block. Taking a step back , remember that sinus tachycardia is less commonly seen in OMI (except in cases of impending cardiogenic shock). Answer : Bedside ultrasound! Smith : RV infarct may also have this appearance on ultrasound. Both were wrong.

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Two patients with chest pain and RBBB: do either have occlusion MI?

Dr. Smith's ECG Blog

I would do bedside ultrasound to look at the RV, look for B lines as a cause of hypoxia (which would support OMI, and argue against PE), and if any doubt persists, a rapid CT pulmonary angiogram. There is sinus tachycardia at ~100/minute. As for the ECG, it could represent OMI, but RBBB is also a clue that it may be PE.

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Diffuse Subendocardial Ischemia on the ECG. Left main? 3-vessel disease? No!

Dr. Smith's ECG Blog

Smith comment: This patient did not have a bedside ultrasound. Had one been done, it would have shown a feature that is apparent on this ultrasound (however, this patient's LV function would not be as good as in this clip): This is recorded with the LV on the right. In fact, bedside ultrasound might even find severe aortic stenosis.

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90 year old with acute chest and epigastric pain, and diffuse ST depression with reciprocal STE in aVR: activate the cath lab?

Dr. Smith's ECG Blog

Methods STEMI activations between January 2014 and April 2018 at the University of Arizona Medical Center were identified. Systematic Assessment of the ECG in Figure-1: My Descriptive Analysis of ECG findings in Figure-1 is as follows: Sinus tachycardia at ~110/minute. A emergent cardiology consult can be helpful for equivocal cases.

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Which patient needs a CT scan?

Dr. Smith's ECG Blog

And almost all of them could be detected by bedside ultrasound. Conclusion: you may take a few moments to look for dissection with your bedside ultrasound, but when it is a clear STEMI, do NOT waste time with a CT scan. It is not a waste of time to use bedside ultrasound to look for dissection 3. Ultrasound Med.