9 results
Classic Digoxin-Associated Arrhythmias
 • Atrial fibrillation with an unusually slow ventricular response
 • Atrial Fibrillation with
Fibrillation with Complete ... Heart Block and ... Tachycardia with 2:1 ... AV BlockBidirectional ... #ecg #ekg #electrocardiogram
Atrioventricular (AV) Blocks

First Degree AV Block - "If your R is far from your P than
preceding each QRS complex ... Heart Block • ... independently of the atria ... #heart #heartblock ... #cardiology #ecg
Summary of Heart Blocks
1st Degree Heart Block:
 • Prolonged PR >200ms (5 small squares).
 • Narrow
Heart Block: ... or 3:1 block) ... Pacemaker 3rd Degree, Complete ... Heart Block: ... P and QRS • Atrial
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
Cheat Sheet 1) ... (e.g. ectopic atrial ... Interval: • 1° ... proportional to heart ... Electrocardiogram #cardiology
Premature Ventricular Complexes (PVC's) - Summary Framework

Why PVCs?  Can be the first manifestation of cardiac
Hypokalemia • Bundle ... branch block • ... Intermediate burden: >1 ... capture of the atria ... arrhythmia • Atrial
Endocarditis Summary

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV substance use
• IV catheter
• Recent
Libman Sacks) • Atrial ... Paradoxical emboli via ASD ... ↑ ESR, CRP • EKG ... block, annular ... block • Persistent
Atrial Fibrillation (A-Fib) Summary

Symptoms:
• Palpitations, light-headedness, dizziness, dyspnea, exercise intolerance, chest pain, near-syncope, syncope.

Why?
Cardiac:
	• Valvular heart
Irregular wide-complex ... tachycardia: bundle ... branch block or ... Cardioversion 1. ... propafenone with β-blocker
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
Lead AVR on ECG ... 1. ... events in-hospital. heart ... Subepicardial atrial ... tachycardia • Narrow complex
Endocarditis - Overview and Differential Diagnosis Framework

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV
Libman Sacks) • Atrial ... Paradoxical emboli via ASD ... ↑ ESR, CRP • EKG ... block, annular ... block • Persistent