20 results
Summary of Heart Blocks
1st Degree Heart Block:
 • Prolonged PR >200ms (5 small squares).
 • Narrow
Narrow & regular rhythm ... Narrow & irregular rhythm ... • Treatment: Pacemaker ... HeartBlocks #Types #Classification ... Diagnosis #EKG #electrocardiogram
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
is gradual and rhythmic ... The P wave and PR ... Wandering Atrial Pacemaker ... several cycle the pacemaker ... diagnosis #ekg #ecg #electrocardiogram
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
arrest - escape rhythms ... block 1º - long PR ... 200ms from longer pause ... - ventricular pacemaker ... EKG #diagnosis #electrocardiogram
Pacemaker Identification Algorithm

For more assistance check out this free application that uses AI to identify from
Algorithm For ... application that uses ... Cardiac Rhythm Device ... Identification Algorithm ... Heart Rhythm 2011
Multifocal Atrial Rhythm vs Wandering Atrial Pacemaker
Mutifocal Atrial Rhythm / Multifocal Atrial Tachycardia:
Belong to a group
Multifocal Atrial Rhythm ... irregular PP and PR ... : VARIANT OF SINUS ... focus from the sinus ... cardiology #ekg #ecg #electrocardiogram
Hypothermia on EKG
 • J (Osborn) waves
 • PR, QRS, and QT prolongation
 • Various bradyarrythmias
Osborn) waves • PR ... bradyarrythmias (e.g. sinus ... response, junctional rhythm ... waves #EKG #ECG #electrocardiogram
Arrhythmias - Differential Diagnosis Algorithm

Bradyarrhythmia (<60 bpm)
 • Sinus Bradycardia
 • Sick Sinus Syndrome
 • SA
Differential Diagnosis Algorithm ... (<60 bpm) • Sinus ... Bradycardia • Sick Sinus ... Differential #Diagnosis #Algorithm ... #causes
Antiarrhythmics - Vaughan Williams Classification
Class I (Ia, Ib, Ic) - Na+ Channel Blockade
 • Slows depolarization
Vaughan Williams Classification ... cells • Slows sinus ... rate and prolongs PR ... cells • Slow sinus ... #Classes #cardiology
WPW EKG after cardioversion of SVT

Here is the post-conversion ECG

The patient is now in Sinus Rhythm,
patient is now in Sinus ... Rhythm, but what ... The PR interval ... WPW #EKG #ECG #Electrocardiogram
Ectopic atrial rhythm
 • The atrial rate is less than 100 bpm.
 • PR interval within
PR interval ... P wave during sinus ... rhythm ... ectopic atrial pacemaker ... diagnosis #ekg #ecg #electrocardiogram