243 results
REBEL Review 100: Canadian Syncope Risk Score 

Predisposition to Vasovagal Symptoms (-1)
History of Heart Disease (1)
Any
100: Canadian Syncope ... (1) Corrected QT ... Interval > 480 ... (2) Vasovagal Syncope ... (-2) Cardiac Syncope
QT/QTc- Interval
•	Start of Q-wave to end of the T-wave (time of ventricular depolarization + repolarization).
•	Life threatening
QT/QTc- Interval ... /QTc interval may ... interval is 8 x ... • QT interval ... HR) / 180 #QTInterval
The JT Interval and Pro-Arrhythmic Risk
Measured from the J-point to the end of the T-wave, the
The JT Interval ... T-wave, the JT interval ... than prolonged QT ... interval in patients ... #JTInterval #QTc
Approach to ECGs - Syncope Syndromes
Electrolytes
 • ↑K - brady, peak T, wide QRS, no P,
Approach to ECGs - Syncope ... • ↑ Ca - short QT ... • ↓ Ca - long QT ... • ↓ Mg - long QT ... Wong @mchlwng #Syncope
WOBBLER  for ECG assessment in Syncope 
W - Wolff Parkinson White 
O - Obstructed AV
assessment in Syncope ... missed in the syncope ... for a short PR interval ... found in long QT ... is also a short QT
Differential Diagnosis of Syncope
First, is it syncope? History is very important for distinguishing syncope from other
Differential Diagnosis of Syncope ... First, is it syncope ... distinguishing syncope ... Common causes of syncope ... EM #Neuro #IM #Sycope
Syncope - Cerebral hypoperfusion leading to transient lsos of consciousness causing alck of postural tone with
Syncope - Cerebral ... Differential Diagnosis: Syncope ... 21-48%) • Non-syncopal ... (17-37%) Non-Syncope ... @AnnKumfer #Syncope
Loss of Consciousness in Syncope - Differential Diagnosis Framework

Syncopal causes:
• Orthostatic syncope
• Reflex syncope
• Cardiac arrhythmia
•
Consciousness in Syncope ... Diagnosis Framework Syncopal ... • Orthostatic syncope ... • Reflex syncope ... Consciousness #Syncope
Want to remember what drugs prolong the QT interval? Remember COLLAPSE - Kitty Canavan @KathrynCanavan1
#Diagnosis #Peds
drugs prolong the QT ... interval?
Common toxicities of antifungal agents. 
CNS = central nervous system; 5-FC = flucytosine; GI = gastrointestinal;
QTc = corrected QT ... interval.