7 results
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
(3) SVTs - atrial ... (3) Multifocal atrial ... 3 different P waves ... (2) Sick Sinus Syndrome ... #EKG #diagnosis
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
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
interval < 120 ms = AV ... (e.g. ectopic atrial ... proportional to heart ... WolffParkinson-White syndrome ... Electrocardiogram #cardiology #diagnosis
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
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
the presence of AV ... Wandering Atrial ... Arrhythmia #cardiology #diagnosis ... #ekg #ecg #electrocardiogram ... variants #clinical #comparison
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
the presence of AV ... Wandering Atrial ... Arrhythmia #cardiology #diagnosis ... #ekg #ecg #electrocardiogram ... variants #clinical #comparison
External Ventricular Drains (EVDs) & ICP waveform interpretation
An EVD is a temporary closed sterile system that
External Ventricular ... CNS compliance LONGER ... Nick Mark MD @nickmmark ... #External #Ventricular ... #neurosurgery #diagnosis