Remove 2017 Remove Outcomes Remove STEMI
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How unreliable are computer algorithms in the Diagnosis of STEMI?

Dr. Smith's ECG Blog

Acad Emerg Med 2017; 24(1): 120 – 24. The cath lab was activated, as it should be with transient STEMI. See this case of transient STEMI: Spontaneous Reperfusion and Re-occlusion - My Bad Thinking Contributes to a Death. Been discharged to home with potential disastrous outcome. link] Hughes KE et al. Learning Points 1.

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Four patients with chest pain and ‘normal’ ECG: can you trust the computer interpretation?

Dr. Smith's ECG Blog

1-3] But these studies were very short duration and used cardiology interpretation of ECGs or emergent angiography rather than patient outcomes. 4,5] We have now formally studied this question: Emergency department Code STEMI patients with initial electrocardiogram labeled ‘normal’ by computer interpretation: a 7-year retrospective review.[6]

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Abstract 4141279: Catch me if you flow slow: The temporal filter slow flow fact

Circulation

Background:Slow flow phenomenon is impaired coronary flow during percutaneous coronary intervention (PCI) in absence of mechanical obstruction, and it is associated with deteriorated outcome.

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A coronary angiogram, that tends to cross the boundaries of your thoughts

Dr. S. Venkatesan MD

Agarwal ,et al Radiographics 2017 ) Left main Atresia: Is it a sub-set of the anomalous origin of LCA from the right sinus ? We know, how adverse is the outcome of Left main STEMI. Right arising from the left sinus is much more commoner than left arising from the right. This topic of anomalous origin needs a separate discussion.

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65 year old with syncope and a 'normal' ECG: discharge home?

Dr. Smith's ECG Blog

Had the cardiologists followed NSTEMI or transient STEMI guidelines, which recommend non-urgent cath, the patient could have redeveloped an OMI and had a worse outcome. But this foresight will not be recorded, because the patient was diagnosed as "transient STEMI", even though no ECG ever met STEMI criteria.

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Chest discomfort and a dilated right ventricle. What's going on?

Dr. Smith's ECG Blog

Troponin T peaked at 2074 ng/L (very high, typical of OMI/STEMI). 21, 2017 ). Post PCI the patient became gravely hypotensive and "shocky". She stabilized on dobutamine and levosimendan infusions that could be discontinued after 24 hours. The LV EF was 57% at formal echo. Our THANKS to Dr. Magnus Nossen for sharing this case with us.

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Occlusion/reperfusion through 6 ‘normal’ ECGs

Dr. Smith's ECG Blog

While this ECG is negative for “posterior STEMI”, the resolution of anterior ST depression (accompanied by the troponin elevation) confirms posterior OMI with spontaneous reperfusion. The second opportunity to make the diagnosis and expedite angiography was missed because the ECG never met STEMI criteria and continued to be labeled ‘normal.’

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