Bradycardia Chest Pain Physiology 
Dr. Smith's ECG Blog
OCTOBER 13, 2022
Written by Jesse McLaren, with edits from Smith and Grauer A 60 year old with no past medical history presented with two hours of chest pain radiating to the left arm, with normal vitals. Unfortunately, the reality is — that many ( most ) WPW patients who present with chest pain do not manifest intermittent preexcitation.
Ken Grauer, MD
SEPTEMBER 22, 2023
The rhythm is sinus bradycardia at a rate just over 50/minute. Although difficult to measure ( because of marked overlap of the QRS in multiple chest leads ) — there appears to be greatly increased QRS amplitude, consistent with voltage for LVH. To improve visualization — I've digitized the original ECG using PMcardio ).
Dr. Smith's ECG Blog
JANUARY 5, 2024
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 ECG shows sinus bradycardia but is otherwise normal. The patient said his chest pain was 4/10, down from 8/10 on presentation. The following ECG was obtained.
Dr. Smith's ECG Blog
JANUARY 23, 2024
There was no chest pain. The physiologic reason for this — is thought to be the result of momentarily increased circulation from mechanical contraction arising from the "sandwiched in" QRS complex. This was written by Magnus Nossen The patient is a female in her 50s. She presented with a one week hx of «dizziness» and weakness.
Dr. Smith's ECG Blog
APRIL 8, 2015
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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