61 results
Loperamide and QT Prolongation - Recently, there have been increasing cases of cardiotoxicity associated with high-dose
Loperamide and QT ... effects can include QT-interval ... to have similar QT-prolonging ... EKG #Loperamide #QTCProlongation
Loperamide and QT Prolongation #Clinical #EM #Cardiology #EKG #QT #Prolongation #QTProlongation #Loperamide #ALiEM
Loperamide and QT ... Cardiology #EKG #QT ... #Prolongation #QTProlongation
Medications that can cause QTc prolongation

#qtcprolongation #cardiology #medications #pharmacology #riskfactors #review #mnemonic
prolongation #qtcprolongation
QT/QTc- Interval
•	Start of Q-wave to end of the T-wave (time of ventricular depolarization + repolarization).
•	Life threatening
QT/QTc- Interval ... ) • Prolonged QT ... • Shortened QT ... • QT interval ... [QT nomogram]
Approach to ECGs - Syncope Syndromes
Electrolytes
 • ↑K - brady, peak T, wide QRS, no P,
• ↑ Ca - short QT ... • ↓ Ca - long QT ... • ↓ Mg - long QT ... heart block Long QT ... -500ms) Short QT
Causes of Sudden Cardiac Arrest
Primary Myocardial Processes (> 90%):
 • Acquired structural heart disease: CAD, Most
Channelopathies: Long/short QT ... Acquired long QT
Common toxicities of antifungal agents. 
CNS = central nervous system; 5-FC = flucytosine; GI = gastrointestinal;
QTc = corrected QT
Want to remember what drugs prolong the QT interval? Remember COLLAPSE - Kitty Canavan @KathrynCanavan1
#Diagnosis #Peds
drugs prolong the QT
Torsades de Pointes 
•Precipitated by drugs that prolong the QT interval 
•Class IA antidysrhythmics (procainamide, quinidine)
that prolong the QT
ECG Cheat Sheet

ECG rapid view: It is organized roughly how one would typically read an ECG.
Intervals (PR, QRS, QT