Remove Bradycardia Remove Chest Pain Remove Risk Factors
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QT Correction Formulas Compared to The Rule of Thumb ("Half the RR")

Dr. Smith's ECG Blog

The rule of thumb is less accurate, and the risk is higher because a long QT in the presence of bradycardia ("pause dependent" Torsades) predisposes to Torsades. 6) Use a different rule of thumb for bradycardia : Manually approximate both the QT and the RR interval. 3) At heart rates below 60, far more caution is due.

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STEMI with Life-Threatening Hypokalemia and Incessant Torsades de Pointes

Dr. Smith's ECG Blog

A late middle-aged man presented with one hour of chest pain. There is also bradycardia. Bradycardia puts patients at risk for "pause-dependent" Torsades de Pointes. Torsades in acquired long QT is much more likely in bradycardia because the QT interval following a long pause is longer still.

STEMI 52
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Emergency Department Syncope Workup: After H and P, ECG is the Only Test Required for Every Patient.

Dr. Smith's ECG Blog

Check : [vitals, SOB, Chest Pain, Ultrasound] If the patient has Abdominal Pain, Chest Pain, Dyspnea or Hypoxemia, Headache, Hypotension , then these should be considered the primary chief complaint (not syncope). Aortic Dissection, Valvular (especially Aortic Stenosis), Tamponade. Frequent or repetitive PACs ii.

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Is it possible that this patient with acute chest pain and this ECG does not need emergent intervention?

Dr. Smith's ECG Blog

Still, an ECG was obtained at 0649hrs: (Digitized by PM Cardio) McLaren: The patient has a high pretest probability based on age, risk factors and symptoms. He was given two separate sprays of nitroglycerin sublingually, neither of which improved his pain but did cause him to become briefly hypotensive ( 600 ng/L.

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Chest pain and this ECG. Angiogram totally normal. Is this myocarditis?

Dr. Smith's ECG Blog

A man in his early 30s was walking when he developed central chest pain which was non-radiating, then had a syncopal event with bowel incontinence, and when he woke up he had ongoing chest pain. Notes never having symptoms like this before, pain is so severe its causing SOB. He called 911.

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A young F is hyperthermic, delirious, and dry: Fever-induced Brugada? Diphenhydramine toxicity? Tricyclic?

Dr. Smith's ECG Blog

--Genetic testing could be helpful to confirm the diagnosis and allow for screening of other at-risk family members. --EP EP study to further risk stratify her is recommended, with ICD placement depending on the results. The patient denied any chest pain whatsoever, and a troponin at zero and 2 hours were both undetectable.

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Normal ECG by many measures. Is it normal?

Dr. Smith's ECG Blog

Case A 68 year old man with a medical history of hypertension, hyperlipidemia, and CAD with stent deployment in the RCA presented to the emergency department with chest pain. A post-cath EKG was recorded at 0719: The computer interpretation read Sinus bradycardia, otherwise normal ECG. He had an EKG recorded right away.