18 results
Arrhythmias - Differential Diagnosis Algorithm

Bradyarrhythmia (<60 bpm)
 • Sinus Bradycardia
 • Sick Sinus Syndrome
 • SA
- Differential Diagnosis ... • AV Block (ISt ... /2nd /3rd degree ... setting of long QT ... tachyarrhythmias #Cardiology
Hypothermia on EKG
 • J (Osborn) waves
 • PR, QRS, and QT prolongation
 • Various bradyarrythmias
• PR, QRS, and QT ... bradyarrythmias (e.g. sinus ... response, junctional rhythm ... waves #EKG #ECG #electrocardiogram ... #cardiology #diagnosis
Summary of Heart Blocks
1st Degree Heart Block:
 • Prolonged PR >200ms (5 small squares).
 • Narrow
Narrow & regular rhythm ... Treatment: Pacemaker 3rd ... degrees #summary #Diagnosis ... #EKG #electrocardiogram ... #ecg #cardiology
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
is gradual and rhythmic ... presence of AV block ... #Arrhythmia #cardiology ... #diagnosis #ekg ... #ecg #electrocardiogram
Atrioventricular Blocks (AV blocks) - ECG Diagnosis Summary
First Degree AV Block
 • The P wave is
Diagnosis Summary ... • In sinus rhythm ... #AVBlock #cardiology ... #ekg #ecg #diagnosis ... #electrocardiogram
Hyperkalemia on EKG
"Mild" Hyperkalemia
 • Peaked, narrow-based T Waves
 • Double counting of HR by EKG
QRS widening • Sinus ... of conduction block ... • "Sine wave" rhythm ... Hyperkalemia #EKG #ECG #electrocardiogram ... #cardiology #diagnosis
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
DANGER (2) Sinus ... arrest - escape rhythms ... bradyarrhythmia #ECG #EKG #diagnosis ... #electrocardiogram ... #cardiology #differential
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
in 10s x 6 2) Rhythm ... ectopic atrial rhythm ... >200ms • 2° Block ... Interpretation #ECG #Electrocardiogram ... #cardiology #diagnosis
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
is gradual and rhythmic ... presence of AV block ... #Arrhythmia #cardiology ... #diagnosis #ekg ... #ecg #electrocardiogram
Paroxysmal AV Block on ECG
 - Characterized by an abrupt and persistent AV block in the
or slowing of sinus ... rhythm - Once ... Paroxysmal #AVBlock #diagnosis ... #cardiology #ekg ... #ecg #electrocardiogram