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Syncope is a sudden, transient loss of consciousness, which is thought to be secondary to cerebral
The diagnostic approach ... further guide management ... and an initial ECG ... Further diagnostics ... In many cases, syncope
Shock - Differential Diagnosis by Classification
Reflex Syncope 
 - Vasovagal syncope
   • Prolonged standing
- Differential Diagnosis ... • AV block ... Medication side effect (e.g ... #Differential #Diagnosis ... Classification #Table #Causes
Causes of Tachycardia - Differential Diagnosis Algorithm
Narrow Complex - Regular:
 • Sinus tachycardia
 • Atrial flutter
Causes of Tachycardia ... - Differential Diagnosis ... Atrial flutter • AV ... nodal reentrant ... tachycardia • AV
Visual Guide to AV Nodal Reentrant Tachycardia (AVNRT) - Pathophysiology
 - Dual AV nodal physiology is
Visual Guide to AV ... Nodal Reentrant ... Pathophysiology - Dual AV ... - In most case ... ECG usually shows
Syncope - Differential Diagnosis
The percentage of syncopal events secondary to arrhythmias or structural disease is generally
Syncope - Differential ... Diagnosis The ... Brady (Sick sinus, AV ... #differential #diagnosis ... #causes
Syncope - Cerebral hypoperfusion leading to transient lsos of consciousness causing alck of postural tone with
Differential Diagnosis ... cause (8-20%) ... • Unclear cause ... #differential #diagnosis ... #management
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
Anatomical Differential Diagnosis for Arrhythmias
 • SA node: Sinus bradycardia, Sick Sinus Syndrome (SSS)
 • AV
Anatomical Differential Diagnosis ... node: AV re-entrant ... nodal re-entrant ... #Differential #Diagnosis ... #Causes #cardiology
Pacemaker Placement Indications
Class I:
 • Third degree block
 • Advanced 2nd degree block
 • Symptomatic Mobitz
• First degree AV ... RBBB/LBBB with syncope ... • Reversible causes ... of AV block - ... PPM #cardiology #management
Syncope - Differential Diagnosis Framework
Reflex Syncope:
• Vasovagal: Prolonged standing, Stress, Pain
• Situational: Coughing, Sneezing, Micturition, Defecation,
Diagnosis Framework ... Reflex Syncope: ... bradycardia, Sinus pauses ... , AV block • Tachyarrhythmias ... #Differential #Diagnosis