88 results
Visual Guide to AV Nodal Reentrant Tachycardia (AVNRT) - Pathophysiology
 - Dual AV nodal physiology is
Visual Guide to AV ... Nodal Reentrant ... Pathophysiology - Dual AV ... stays inside the AV ... ECG usually shows
AVJ Impulse/Rhythm Disturbance in one slide
 • Impulse/Rhythms Originating in the AV Junction
 • Reentrant (reciprocal
Originating in the AV ... Junction • Reentrant ... #cardiology #diagnosis ... #ekg #ecg #electrocardiogram
Causes of Tachycardia - Differential Diagnosis Algorithm
Narrow Complex - Regular:
 • Sinus tachycardia
 • Atrial flutter
- Differential Diagnosis ... Atrial flutter • AV ... nodal reentrant ... tachycardia • AV ... reentrant tachycardia
Bradycardias Comparison Table
 - SINUS BRADYCARDIA 
 - JUNCTIONAL BRADYCARDIA 
 - 1st DEGREE AV BLOCK
- 1st DEGREE AV ... - 2nd DEGREE AV ... HEART BLOCK #Diagnosis ... #Cardiology #EKG ... #ECG #Bradycardia
Syncope - Differential Diagnosis
The percentage of syncopal events secondary to arrhythmias or structural disease is generally
Syncope - Differential ... Diagnosis The ... percentage of syncopal ... Brady (Sick sinus, AV ... #differential #diagnosis
Shock - Differential Diagnosis by Classification
Reflex Syncope 
 - Vasovagal syncope
   • Prolonged standing
- Differential Diagnosis ... Sinus pauses • AV ... Medication side effect (e.g ... Medication side effect (e.g ... #Differential #Diagnosis
Syncope Diagnostic Testing and Evaluation: Cost Effectiveness
Frequency obtained - Abnormal findings - Helped determine etiology of
Syncope Diagnostic ... determine etiology of syncope ... Tests: ECG, Telemetry ... , Carotid U/S, EEG ... #diagnosis #workup
Anatomical Differential Diagnosis for Arrhythmias
 • SA node: Sinus bradycardia, Sick Sinus Syndrome (SSS)
 • AV
Anatomical Differential Diagnosis ... Syndrome (SSS) • AV ... node: AV re-entrant ... nodal re-entrant ... #Differential #Diagnosis
Approach to ECGs - Syncope Syndromes
Electrolytes
 • ↑K - brady, peak T, wide QRS, no P,
Approach to ECGs ... - Syncope Syndromes ... assoc with 1K, AV ... Wong @mchlwng #Syncope ... #diagnosis #cardiology
Syncope - Differential Diagnosis Framework
Reflex Syncope:
• Vasovagal: Prolonged standing, Stress, Pain
• Situational: Coughing, Sneezing, Micturition, Defecation,
Syncope - Differential ... Diagnosis Framework ... Reflex Syncope: ... Sinus pauses, AV ... #Differential #Diagnosis