36 results
Causes of Tachycardia - Differential Diagnosis Algorithm
Narrow Complex - Regular:
 • Sinus tachycardia
 • Atrial flutter
Causes of Tachycardia ... Differential Diagnosis Algorithm ... flutter • AV ... flutter with variable ... #Causes #cardiology
Anatomical Differential Diagnosis for Arrhythmias
 • SA node: Sinus bradycardia, Sick Sinus Syndrome (SSS)
 • AV
• Ventricles: Ventricular ... Tachy-arrhythmias (ventricular ... Flutter (AFL), ... Differential #Diagnosis #Causes ... #cardiology
Causes of Palpitations
 • ARRHYTHMiA 
 • SINUS ARRYTHMIA 
 • ATRIAL FIBRILLATION 
 • ATRIAL
Causes of Palpitations ... FLUTTER • HEART ... • PREMATURE VENTRICULAR ... PHAEOCHROMOCYTOMA • PULMONARY ... #Palpitations #Causes
Treatment of Stable Narrow-Complex Tachycardia
Regular Rhythm:
 • Attempt vagal maneuvers
 • Give adenosine 6 milligrams IV
flutter, ectopic ... Treat underlying cause ... flutter or MAT ... Treat underlying cause ... #algorithm
A Lewis Lead (also called the S5 lead) is a modified ECG lead used to detect
used to detect atrial ... atrial flutter ... to the wave of ventricular ... depolarization, atrial ... #Cardiology #EKG
Arrhythmias - Differential Diagnosis Algorithm

Bradyarrhythmia (<60 bpm)
 • Sinus Bradycardia
 • Sick Sinus Syndrome
 • SA
Differential Diagnosis Algorithm ... Escape Rhythm • Ventricular ... • Premature ventricular ... tachyarrhythmias #Cardiology ... #causes
Jugular Waveform Components 
 • a wave - due to atrial contraction: It occurs just before
Jugular Waveform Components ... • c wave - caused ... during ventricular ... y descent - is caused ... #PhysicalExam #cardiology
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
Causes of Hypoxemia ... Differential Diagnosis Algorithm ... Left Shunt • Ventricular ... Defect ** • Atrial ... #Causes #Pulmonary
Abnormal Jugular Venous Pressure Waveforms - Differential Diagnosis
 - Absent a wave - Atrial fibrillation, sinus
tachycardia - Flutter ... flutter - Prominent ... myxoma, pulmonary ... dissociation, ventricular ... #PhysicalExam #cardiology
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
flutter (3) ... 200ms from longer pause ... Distal AV block - ventricular ... #EKG #diagnosis ... electrocardiogram #cardiology