11 results
Classic Digoxin-Associated Arrhythmias
 • Atrial fibrillation with an unusually slow ventricular response
 • Atrial Fibrillation with
Fibrillation with Complete ... Tachycardia with 2:1 ... AV Block • Bidirectional ... Arrhythmias #diagnosis #cardiology ... #ecg #ekg #electrocardiogram
The 3 Fates of a Premature Atrial Complex
 • PAC can be conducted with normal QRS
of a Premature Atrial ... Complex • PAC ... finds the right bundle ... #PACs #cardiology ... #ecg #electrocardiogram
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
Approach to ECGs ... abberancy - N B Afib ... (3) SVTs - atrial ... (3) Multifocal atrial ... electrocardiogram #cardiology
Bradycardia - Differential Diagnosis Framework and Management
Narrow Complex Bradycardia:
 • Regular: Sinus Bradycardia, AFib w/ AV
Management Narrow Complex ... w/ AV Block, Atrial ... Bradycardia Management: 1) ... epinephrine 4) Page Cardiology ... Diagnosis #Management #cardiology
Atrioventricular (AV) Blocks

First Degree AV Block - "If your R is far from your P than
preceding each QRS complex ... 1 AV conduction ... independently of the atria ... heart #heartblock #cardiology ... #ecg #ekg #diagnosis
Wolff-Parkinson-White Syndrome

WPW is a congenital abnormality characterized by an abnormal accessory conduction pathway between the atria
pathway between the atria ... ventricle known as the bundle ... is ablation. 1 ... WolffParkinsonWhite #WPW #Cardiology ... #ECG #EKG #Electrocardiogram
Algorithm for the Evaluation of Regular, Wide-Complex Tachycardia
1. aVR: Is the initial deflection in aVR positive?
Regular, Wide-Complex ... Tachycardia 1. ... Bundle-branch morphology ... Interpretation #ECG ... #Diagnosis #Cardiology
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
Cheat Sheet 1) ... interval < 120 ms = AV ... (e.g. ectopic atrial ... Waves/Fibrillary = afib ... Electrocardiogram #cardiology
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 ... (< 5% pts with afibb ... Cardioversion 1. ... diagnosis #management #cardiology
Summary of Heart Blocks
1st Degree Heart Block:
 • Prolonged PR >200ms (5 small squares).
 • Narrow
or 3:1 block) ... Pacemaker 3rd Degree, Complete ... P and QRS • Atrial ... • Block in AV ... #cardiology