12 results
Digoxin effect on Electrocardiogram (EKG)
Digoxin is a cardiac glycoside from the foxglove leaf
Mechanism
 - Inhibits Na-K
(EKG) Digoxin ... effect on ECG ( ... waves - Short QT ... #EKG #Cardiology ... #Digitalis #ECG
Electrocardiographic Features of Digoxin Toxicity
 • Virtually any arrhythmia is possible. None specific for digoxin toxicity
None specific for digoxin ... Shortening of QT ... BCM_InternalMed #Digoxin ... 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
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
Premature Ventricular Complexes (PVC's) - Summary Framework

Why PVCs?  Can be the first manifestation of cardiac
arrhythmia syndromes (e.g ... ., long QT syndrome ... heart disease Causes ... Substances • Digoxin ... 300 = NSVT EKG
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
This infographic provides a mnemonic tool called “WOBBLER” for assessing an ECG (electrocardiogram) in cases of
(electrocardiogram ... evaluate potential causes ... Section: QT interval ... includes long QT ... syndrome or short QT
Causes of Hyperkalemia - Intercellular Shift - Differential Diagnosis Algorithm
Transcellular Shift - Appropriate renal excretion (GFR,
Causes of Hyperkalemia ... • Cell Lysis (e.g ... -1 agonism • Digoxin ... IntercellularShift #Nephrology ... #Causes