47 results
Differential Diagnosis of Syncope
First, is it syncope? History is very important for distinguishing syncope from other
from other causes ... Ask about precipitating ... Common causes of ... #Diagnosis #EM # ... #Algorithm #Ddxof
Causes of Syncope #Diagnosis #EM #IM #Neuro #Syncope #Differential #Algorithm #Ddxof
Causes of Syncope ... #Diagnosis #EM ... #IM #Neuro #Syncope ... #Differential #Algorithm
Complete (3rd Degree) Heart Block on ECG

ECG of a man brought to the ER by paramedics
Degree) Heart Block ... on ECG ECG of ... an episode of syncope ... #3rdDegree #HeartBlock #ECG ... #EKG #Electrocardiogram
Pacemaker Placement Indications
Class I:
 • Third degree block
 • Advanced 2nd degree block
 • Symptomatic Mobitz
• Third degree block ... or 3rd degree block ... Tri-fascicular block ... • Reversible causes ... of AV block -
WOBBLER  for ECG assessment in Syncope 
W - Wolff Parkinson White 
O - Obstructed AV
- Bifascicular block ... or 3rd degree block ... B bifascicular block ... bundle branch block ... , can be caused
Approach to ECGs - Syncope Syndromes
Electrolytes
 • ↑K - brady, peak T, wide QRS, no P,
- Syncope Syndromes ... assoc with 1K, AV block ... Trifascicular block ... 1st degree heart block ... #Syndromes #ECG
Shock - Differential Diagnosis by Classification
Reflex Syncope 
 - Vasovagal syncope
   • Prolonged standing
bradycardia • Sinus pauses ... • AV block ... Medication side effect (e.g ... Medication side effect (e.g ... Classification #Table #Causes
Syncope - Differential Diagnosis
The percentage of syncopal events secondary to arrhythmias or structural disease is generally
Syncope - Differential ... percentage of syncopal ... Sick sinus, AV block ... Others Non-syncopal ... differential #diagnosis #causes
Sinus pause/arrest vs Sinoatrial Block

#cardiology #diagnosis #ekg #ecg #electrocardiogram #sinuspause #sinoatrialblock
Sinus pause/arrest ... vs Sinoatrial Block ... cardiology #diagnosis #ekg ... #ecg #electrocardiogram
Syncope - Differential Diagnosis Framework
Reflex Syncope:
• Vasovagal: Prolonged standing, Stress, Pain
• Situational: Coughing, Sneezing, Micturition, Defecation,
Syncope - Differential ... Framework Reflex Syncope ... bradycardia, Sinus pauses ... , AV block • Tachyarrhythmias ... Cerebrovascular Syncope