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.
Dr. Smith's ECG Blog
MARCH 8, 2025
Within ten minutes, she developed bradycardia, hypotension, and ST changes on monitor. Bradycardia and heart block are very common in RCA OMI. He had no chest pain, dyspnea, or any other anginal equivalent, and his vital signs were normal. He told the patient this horrible news. I do not know the answer to this.
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