14 results
Anatomical Differential Diagnosis for Arrhythmias
 • SA node: Sinus bradycardia, Sick Sinus Syndrome (SSS)
 • AV
Anatomical Differential Diagnosis ... bradycardia, Sick Sinus Syndrome ... blocks (1°, 3° and Type ... blocks (1°, 3°, and Type ... Flutter (AFL),
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
(4) Vfib/flutter ... flutter (3) ... 3 different P waves ... (2) Sick Sinus Syndrome ... #EKG #diagnosis
Almost any type of cardiac arrhythmia is seen in digitalis toxic­ity. However, type II second-degree atrioventricular
of cardiac arrhythmia ... The arrhythmias ... Complete heart block ... , sino-atrial (SA ... #Diagnosis #Cardiology
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
the presence of AV ... Wandering Atrial ... #cardiology #diagnosis ... #ekg #ecg #electrocardiogram ... variants #clinical #comparison
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
interval < 120 ms = AV ... (e.g. ectopic atrial ... Flutter PR Interval ... proportional to heart ... WolffParkinson-White syndrome
Atrioventricular (AV) Blocks

First Degree AV Block - "If your R is far from your P than
, longer, longer ... " • Complete Heart ... independently of the atria ... #Blocks #heart ... #ekg #diagnosis
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
the presence of AV ... Wandering Atrial ... #cardiology #diagnosis ... #ekg #ecg #electrocardiogram ... variants #clinical #comparison
Palpitations - Differential Diagnosis Framework

What?
• It is an unpleasant awareness or sensation that the heart is
- Differential Diagnosis ... in the chest or neck ... Palpitations Diagnosis ... flutter, or atrial ... /flutter • Bradycardia
Summary of Heart Blocks
1st Degree Heart Block:
 • Prolonged PR >200ms (5 small squares).
 • Narrow
P and QRS • Atrial ... • Block in AV ... #HeartBlocks #Types ... degrees #summary #Diagnosis ... #EKG #electrocardiogram
Premature Ventricular Complexes (PVC's) - Summary Framework

Why PVCs?  Can be the first manifestation of cardiac
syndromes (e.g. ... , long QT syndrome ... 300 = NSVT EKG ... capture of the atria ... Differential Diagnosis