9 results
The JT Interval and Pro-Arrhythmic Risk
Measured from the J-point to the end of the T-wave, the
Bundle Branch Block ... Bundle Branch Block ... with QRS ≥120 ms ... electrocardiogram #pathophysiology ... #ekg #ecg #cardiology
Antiarrhythmics - Vaughan Williams Classification:
CLASS 1 - Sodium Channel Blockers:
 • MOA: Block fast Na+ channels
Vaughan Williams Classification ... inotropy) ACCP Cardiology ... #Pharmacology #Classification ... #Classes #pathophysiology ... #cardiology
Chest Pain / ACS Evaluation Algorithm
Algorithm that attempts to the use history taking (guided by LRs),
Algorithm that ... Diamond-Forrester classification ... Ask about: - Changes ... - History - EKG ... #cardiology #Angina
Atrioventricular Blocks (AV blocks) - ECG Diagnosis Summary
First Degree AV Block
 • The P wave is
(AV blocks) - ECG ... conducted or blocked PAC ... or PVC, acceleration ... #cardiology #ekg ... electrocardiogram #classification
Premature Ventricular Complexes (PVC's) - Summary Framework

Why PVCs?  Can be the first manifestation of cardiac
arrhythmia syndromes (e.g ... heart disease Causes ... Bundle branch block ... 300 = NSVT EKG ... #differential #cardiology
Antiarrhythmics Pharmacology Summary
Cardiac Conduction Phases:
Phase 0 - Ventricular Depolarization:
 • Na+ channels open leading to a
Vaughan Williams Classification ... inotropy) ACCP Cardiology ... #Pharmacology #Classification ... #Classes #pathophysiology ... #phases #cardiology
Lymphomas and Lymphoproliferative Disorders - Differential Diagnosis Algorithm
Hodgkin Lymphoma ~40% - Characteristic For Reed-Sternberg (RS) Cells
Differential Diagnosis Algorithm ... are present • Classic ... Amy Chung, MD, MSc ... Lymphoproliferative #Disorders #Classification ... #pathophysiology
Palpitations - Differential Diagnosis Framework

What?
• It is an unpleasant awareness or sensation that the heart is
exam • 12-lead ECG ... with variable block ... atrioventricular block ... palpitations: PVC ... #Palpitations #Cardiology
Preoperative Risk Evaluation

Major Pre-Op Questions:
1. Does the patient have any modifiable risk factors that could be
specific questions to ask ... ASA class If ... event, follow ACC algorithm ... indicated • EKG ... Obtain EKG if: