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Theres ST elevation in V3-4 which meets STEMI criteria, which could be present in either early repolarization, pericarditis or injury. Lets see what happens in the current STEMI paradigm. Emergency physician: STEMI neg but with elevated troponin = Non-STEMI The first ECG was signed off. What do you think?
A comprehensive iSTEMI protocol (CSP) was implemented on 15 July 2014, incorporating: (1) cardiology fellow activation of the catheterisation lab using standardised criteria, (2) nursing chest pain protocol, (3) improved electronic access to electrocardiographic studies, (4) checklist for initial triage and management, (5) 24/7/365 catheterisation (..)
Here is his ED ECG: There is obvious infero-posterior STEMI. What are you worried about in addition to his STEMI? Comments: STEMI with hypokalemia, especially with a long QT, puts the patient at very high risk of Torsades or Ventricular fibrillation (see many references, with abstracts, below). There is atrial fibrillation.
Echo on the day after admission showed EF of 30-35% and antero-apical wall akinesis with an LV thrombus [these frequently form in complete or near complete (no early reperfusion) anterior STEMI because of akinesis/stasis] 2 more days later, this was recorded: ST elevation is still present. He had been awakened by cough at 3 AM 2 days earlier.
She contacted her neighbor, a nurse, for help. Recall from this post referencing this study that "reciprocal STD in aVL is highly sensitive for inferior OMI (far better than STEMI criteria) and excludes pericarditis, but is not specific for OMI." Immediate versus delayed invasive intervention for non-stemi patients. Vukcevic, V.,
David Didlake Acute Care Nurse Practitioner Firefighter / Paramedic @DidlakeDW A 50 y/o Male was taking his dog for a leisurely stroll through the park when he suddenly experienced new onset chest discomfort. it has been subsequently deemed a STEMI-equivalent.
The patient was diagnosed with esophageal reflux and was being discharged by the nurse when he had a cardiac arrest. Anterolateral STEMI. The formula results in 23.43, just above the 23.4 He was defibrillated. Here is his post resuscitation ECG: Now the diagnosis is obvious.
David Didlake Acute Care Nurse Practitioner Firefighter / Paramedic (Ret) @DidlakeDW Expert contribution by Dr Robert Herman @RobertHermanMD @PowerfulMedical (Chief Medical Officer) An adult male called 911 for new-onset epigastric burning. Fire/EMS crews found him clammy and uncomfortable. Is this OMI?
One of my most talented readers is a health care assistant (a nursing assistant) who has taken a keen interest in ECGs. Trop T now very high, well into the range one sees with a STEMI; very unusual in type II MI. And they teach me a lot. He can beat nearly anyone. So you don't have to be highly trained. You don't have to be a genius.
At 0800 the cardiology fellow is called to the bedside by the nurse as the patient again complains about 4/10 chest pain. Despite ongoing chest discomfort and an uptrending troponin, he never meets STEMI criteria. Despite having acute coronary occlusion by cath, his ECGs never met STEMI criteria. ng/mL (mildly elevated).
David Didlake Firefighter / Paramedic Acute Care Nurse Practitioner @DidlakeDW Peer review by Dr. Stephen Smith @smithECGblog I was reviewing ECG’s in our LifeNet database and happened upon this one without any knowledge of clinical circumstances. 1] Here is the admitting ED ECG after cancellation of Code STEMI. 1] Driver, B.
David Didlake Firefighter / Paramedic Acute Care Nurse Practitioner @DidlakeDW Peer review and commentary by Dr. Steve Smith [link] @SmithECGblog It is early-summer, approximately 1330 hours, no cloud cover overhead, and 86 degrees with high humidity. As it currently stands, an ST/S ratio >15% should raise awareness for new anterior STEMI.
50% of LAD STEMIs do not have reciprocal findings in inferior leads, and many LAD OMIs instead have STE and/or HATWs in inferior leads instead. The ECG easily meets STEMI criteria in all leads V2-V6, as well. 24 yo woman with chest pain: Is this STEMI? This is not "diffuse", this is simply anterior, lateral, and likely apical.
David Didlake Firefighter / Paramedic Acute Care Nurse Practitioner @DidlakeDW Peer review provided by Dr. Steve Smith [link] @SmithECGBlog An adult female called 911 for chest discomfort and difficulty breathing. Then, three minutes later… Crews activated STEMI as she deteriorated into PEA arrest.
David Didlake Firefighter / Paramedic Acute Care Nurse Practitioner @DidlakeDW Peer review provided by Dr. Steve Smith @SmithECGblog I was conducting QA/QI on two very recent cases and was struck by the uniqueness of both. A prehospital STEMI activation was transmitted to the closest PCI center, and 324mg ASA was administered.
She had home health nurse visits, and a BMP was sent the next day (the day prior to admission, presumably after 120 mEq of KCl replacement -- if she was taking as directed). to greatly decrease risk (although in STEMI, the optimal level is about 4.0-4.5 It would be difficult to get a nurse to give it faster! Is 40 mEq too much?
Discussion See this post: STEMI with Life-Threatening Hypokalemia and Incessant Torsades de Pointes I could find very little literature on the treatment of severe life-threatening hypokalemia. When the ECG shows the effects of hypokalemia, it is particularly dangerous. There is particularly little on how to treat when the K is less than 2.0,
Without seeing the patient, my interpretation of the first ECG was: likely normal variant ST-elevation (early repolarization), with a small possibility of pericarditis, and almost no possibility of acute coronary occlusion (STEMI). and therefore highly unlikely to be STEMI.
It had started just after nursing her newborn, about an hour prior, and she described it as a severe non-pleuritic “pressure” radiating to the back. A recent study found that SCAD causes almost 20% of STEMI in young women. examined SCAD presenting as STEMI (unlike Hassan et al. This is written by Brooks Walsh. Lobo et al.
Our triage nurse therefore ordered an ECG for him (which is standard in our dept for epigastric pain patients): What do you think? The STEMI criteria in normal conduction are only 75% sensitive for OMI!! He denied chest pain of any sort and his vitals were all normal. The modified Sgarbossa criteria are only 80% sensitive for OMI!!
David Didlake Firefighter / Paramedic Acute Care Nurse Practitioner @DidlakeDW Expert commentary provided by Dr. Ken Grauer CASE 1 An 82 y/o Male called 911 for sudden onset dizziness while at rest. ASA 324mg was administered while a STEMI activation was simultaneously transmitted to the nearest PCI center. Attached is the first ECG.
The nurse alerted the MD because the patient was still symptomatic, diaphoretic and “looking unwell”. This doesn’t meet STEMI criteria so in the current paradigm there’s no urgency to getting an angiogram. Discharge diagnosis was ‘STEMI’, even though no ECG ever met STEMI criteria. What do you think?
He has never been poisoned by the STEMI/NSTEMI paradigm because he has never been to medical school. The Queen of Hearts recognizes this as OMI ("STEMI/STEMI Equivalent"). He just graduated from college. He has no medical training, but he has read this blog for years. He is an ECG tech who hopes to go to medical school.
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