15 results
Digoxin effect on Electrocardiogram (EKG)
Digoxin is a cardiac glycoside from the foxglove leaf
Mechanism
 - Inhibits Na-K
(EKG) Digoxin ... on ECG (at therapeutic ... waves - Short QT ... #EKG #Cardiology ... #Digitalis #ECG
Electrocardiographic Features of Digoxin Toxicity
 • Virtually any arrhythmia is possible. None specific for digoxin toxicity
conduction) "Digitalis effect ... Shortening of QT ... digitalis #Toxicity #Electrocardiogram ... #ekg #ecg #toxicology
Diagnostic Algorithm for the Patient with Seizure in the Emergency Department
Does the history suggest a seizure?
Diagnostic Algorithm ... additional symptoms (eg ... speech abnormality, etc ... Postictal state #Algorithm ... #management #Neurology
Hyperkalemia shortens repolarization; changes in the T wave provide the earliest clues to hyperpotassemia.
 - At
repolarization causes ... prolonged PR and QT ... #Hyperkalemia #EKG ... #ECG #Changes # ... Progression #Table
Shock - Differential Diagnosis by Classification
Reflex Syncope 
 - Vasovagal syncope
   • Prolonged standing
(e.g. αblockers ... Syncope Mimics - Seizure ... (e.g. sedation) ... Classification #Table ... #Causes
Loperamide and QT Prolongation - Recently, there have been increasing cases of cardiotoxicity associated with high-dose
Loperamide and QT ... This EKG is from ... can include QT-interval ... Clinical #Toxicology #ECG ... #EKG #Loperamide
Management of Convulsive Status Epilepticus in children
Stabilization Phase (Seizure 0-5 minutes):
 • Check and maintain ABC
to effect up to ... hour, titrate to effect ... hour, titrate to effect ... #Management #neurology ... pediatrics #peds #algorithm
Recurrent Polymorphic VT/Torsades de Pointes - Management Algorithm
Drugs that prolong QT interval:
 • Class 1a (quinidine,
Pointes - Management Algorithm ... Drugs that prolong QT ... Congenital long QT ... 1b (lidocaine)- case ... TDP #Management #Algorithm
Do you start Anti-Epileptic Drugs (AEDs) on a first time seizure?

SHINE Mnemonic:
 • first seizure occurred
Remote Symptomatic Cause ... Remote Symptomatic Cause ... abnormalities on EEG ... Initiation #start #Algorithm ... #Neurology #SHINE
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
and a prolonged QT ... waves - Short QT ... waves • Short QT ... diagnosis #cardiology #ecg ... #ekg #electrocardiogram