28 results
Syncope Diagnostic Testing and Evaluation: Cost Effectiveness
Frequency obtained - Abnormal findings - Helped determine etiology of
Syncope Diagnostic ... Tests: ECG, Telemetry ... , Carotid U/S, EEG ... #diagnosis #workup ... Effectiveness #table
Normal QT Interval Measurement
General rule: QT interval should be < 1/2 RR interval
   -
Normal QT Interval ... interval - Only works ... #Measurement #cardiology ... #diagnosis #ecg ... #ekg #electrocardiogram
Approach to ECGs - Syncope Syndromes
Electrolytes
 • ↑K - brady, peak T, wide QRS, no P,
• ↑ Ca - short QT ... • ↓ Ca - long QT ... #Syndromes #ECG ... #EKG #Checklist ... #diagnosis #cardiology
Congenital Long QT Syndrome: Illness Script

Who?
 - Kids or young adults, usually < 30
 - high
Congenital Long QT ... misdiagnosed) - Sudden cardiac ... **Get baseline EKG ... - QT prolonging ... #Cardiology
Syncope Cost-Effectiveness Workup
Cost-effective tests for most patients: 
 • Orthostatic BP
 • ECG
 • Telemetry (if
Orthostatic BP • ECG ... • Ambulatory ECG ... • Brain MRI • EEG ... testingCardiac ... #diagnosis #workup
Torsades de Pointes
• "Twisting of the pointes" 
• QRS axis swings from positive to negative direction
de Pointes • "Twisting ... that prolong the QT ... TorsadesDePointes #Diagnosis ... #Cardiology #ECG ... #EKG
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
EKG Interpretation ... • QT interval is ... = QT / √ RR - ... @AmyChung #EKG ... Interpretation #ECG
Short QT Syndrome
Short QT syndrome (SQTS) is a very rare, recently described syndrome in which an
Short QT Syndrome ... interval (QTc < ... #Syndrome #diagnosis ... #cardiology #ecg ... #ekg #electrocardiogram
WOBBLER  for ECG assessment in Syncope 
W - Wolff Parkinson White 
O - Obstructed AV
WOBBLER for ECG ... found in long QT ... is also a short QT ... #EKG #ECG #Diagnosis ... #Cardiology
Cardiac Stress Testing
Exercise:
 • Everyone who can exercise should!
 • They must be able to raise
Cardiac Stress Testing ... • They must be able ... : EKG ($), ECHO ... #cardiology #management ... #diagnosis