16 results
Digoxin effect on Electrocardiogram (EKG)
Digoxin is a cardiac glycoside from the foxglove leaf
Mechanism
 - Inhibits Na-K
Electrocardiogram (EKG ... on ECG (at therapeutic ... waves - Short QT ... #Cardiology #Digitalis ... #ECG
Electrocardiographic Features of Digoxin Toxicity
 • Virtually any arrhythmia is possible. None specific for digoxin toxicity
effect" • Shortening ... of QT interval ... Electrocardiogram #ekg ... #ecg #toxicology ... #cardiology #diagnosis
Approach to ECGs - Syncope Syndromes
Electrolytes
 • ↑K - brady, peak T, wide QRS, no P,
• ↑ Ca - short QT ... • ↓ Ca - long QT ... • ↓ Mg - long QT ... #ECG #EKG #Checklist ... #diagnosis #cardiology
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 ... Short QT syndrome ... unusually short QT ... #cardiology #ecg ... #ekg #electrocardiogram
Congenital Long QT Syndrome: Illness Script

Who?
 - Kids or young adults, usually < 30
 - high
Congenital Long QT ... Syndrome: Illness ... **Get baseline EKG ... - QT prolonging ... #Diagnosis #Cardiology
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 ... Mnemonic #Syncope #EKG ... #ECG #Diagnosis
Inherited Arrhythmia Syndromes
Entity - Prevalence / Incidence - Diagnosis - Arrhythmic Presentation - Management
 • Long
Management • Long QT ... Cardiac Conduction Defect ... Heart • Short QT ... #clinical #cardiology ... diagnosis #management #table
Shock - Differential Diagnosis by Classification
Reflex Syncope 
 - Vasovagal syncope
   • Prolonged standing
• Hypertrophic cardiomyopathy ... (e.g. αblockers ... Subclavian steal syndrome ... (e.g. sedation) ... Classification #Table
Premature Ventricular Complexes (PVC's) - Summary Framework

Why PVCs?  Can be the first manifestation of cardiac
Inherited arrhythmia syndromes ... (e.g., long QT ... syndrome, ARVC) ... 300 = NSVT EKG ... #differential #cardiology