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I see the following: The rhythm is sinus bradycardia at ~55-60/minute. These tall T waves are associated with flattening ( straightening ) of the ST segment in the inferior leads — with slight S T elevation in leads V2-thru-V6 ( albeit not enough to qualify as a "STEMI" — Akbar et al, StatPearls, 2023 ).
I did not think that the T-waves in V2 and V3 are hyperacute and I still do not--I disagree with Ken below--I think they are normal , especially in the context of bradycardia. Their apparently excessive length (QT interval) is due to bradycardia. They do not have much bulk. A corrected QT would be normal.
He reports that this chest pain feels different than prior chest pain when he had his STEMI/OMI, but is unable to further describe chest pain. Sensitivity was 87% for OMI in our validation study (it was 34% for STEMI criteria). MY Thoughts on the ECG in Figure-1: The rhythm in ECG #1 is sinus bradycardia at ~50-55/minute.
Later, I found old ECGs: 5 month prior in clinic: V5 and V6 look like OMI 9 months prior in clinic with no chest symptoms: V5 and V6 look like OMI 1 year prior in the ED with chest pain: V5 and V6 sure look like a STEMI For this ECG and chest pain in the ED, the Cath lab activated. But the angiogram was clean. There was no OMI.
Is it STEMI? Syncope and Bradycardia Syncope in a 20-something woman Long QT: Do not trust the computerized QT interval when the QT is long An Alcoholic Patient with Syncope Cardiac Arrest. Chest pain in high risk patient. Are these Hyperacute T-waves? What is going on here? What does the ECG show? Also see the bizarre Bigeminy.
The ECG shows sinus bradycardia but is otherwise normal. Written by Willy Frick A 46 year old man with a history of type 2 diabetes mellitus presented to urgent care with complaint of "chest burning." The documentation does not describe any additional details of the history. The following ECG was obtained. ECG 1 What do you think?
Any objective, rule-based analysis of this ECG would scream "STEMI" or "OMI". And I recognized this as a STEMI mimic. Instead — my thoughts were as follows: The rhythm is sinus , with marked bradycardia and a component of sinus arrhythmia. There are Q-waves in V4-V6, with what appear to be hyperacute T-waves.
See many examples of Pseudo STEMI due to hyperkalemia at these two posts: Acute respiratory distress: Correct interpretation of the initial and serial ECG findings, with aggressive management, might have saved his life.
After the heart rate increased slightly, here was the repeat ECG: Sinus bradycardia, only slightly faster rate than prior. Learning Points: Ectopic atrial rhythm can produce atrial repolarization findings that can be confused for acute ischemia, STEMI, or OMI.
I sent this ECG to the Queen of Hearts (PMcardio OMI), and here is the verdict: == MY Comment , by K EN G RAUER, MD ( 7/26 /2023 ): == As regular followers of Dr. Smith’s ECG Blog have seen — some of the best cases that we post come from tracings that Dr. Smith or Meyers see while simply checking out “tracings on the system”.
It does not meet STEMI criteria. Obvious STEMI(+) OMI of inferior, posterior, and lateral walls, now with likely 2nd degree heart block type 1 (Wenckebach). Learning Points: We can find OMI on ECG much sooner than STEMI criteria in many cases, and of course many OMIs never meet STEMI criteria at all. Easy for anyone.
Triage physician interpretation: -sinus bradycardia -lateral ST depressions While there are lateral ST depressions (V5, V6) the deepest ST depressions are in V4. Recall that air is a poor conductor of electricity and will, therefore, generate smaller amplitudes on posterior leads (hence why STEMI criteria requires only >0.5
There’s sinus bradycardia, first degree AV block, normal axis, delayed R wave progression, and normal voltages. There’s minimal concave ST elevation in III which does not meet STEMI criteria, so this ECG is "STEMI negative". Use STEMI criteria to identify acute coronary occlusion: the ECG was STEMI negative 2.
Note: according to the STEMI paradigm these ECGs are easy, but in reality they are difficult. Theres inferior STE which meets STEMI criteria, but this is in the context of tall R waves (18mm) and relatively small T waves, and the STD/TWI in aVL is concordant to the negative QRS. This was false positive STEMI with an ECG mimicking OMI.
ECG met STEMI criteria and was labeled STEMI by computer interpretation. This ECG shows a sinus bradycardia with a normal conduction pattern (normal PR, normal QRS, and normal QTc), normal axis, normal R-wave progression, normal voltages. Hypothermia can also produce bradycardia and J waves, with a pseudo-STEMI pattern.
A 12-lead was recorded, showing "STEMI," but is unavailable. Moreover, if you know that catastrophic intracranial hemorrhage can result in an ECG that mimics STEMI, then you know that this patient probably has a severe intracranial hemorrhage. She was BVM ventilated and suctioned. Shortly thereafter, pulses were lost.
Theres sinus bradycardia, borderline PR interval, narrow QRS; normal axis/R wave progression; low precordial voltages, and subtle peaked T waves (most obvious in V2, but all T waves are symmetric with a narrow base). Theres no prior ECG to compare - but the bradycardia, prolonged PR and peaked T waves could all be from hyperkalemia.
Within ten minutes, she developed bradycardia, hypotension, and ST changes on monitor. Bradycardia and heart block are very common in RCA OMI. There was indication of parasympathetic overdrive ( the acute inferior STEMI with profound bradycardia and junctional escape ). He told the patient this horrible news. Kashou, A.
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