7 results
Digoxin effect on Electrocardiogram (EKG)
Digoxin is a cardiac glycoside from the foxglove leaf
Mechanism
 - Inhibits Na-K
Digoxin effect on ... intracellular Ca ... waves - Short QT ... #effect #Electrocardiogram ... #EKG #Cardiology
TCA Overdose on EKG
 • Sinus tachycardia
 • QRS prolongation
 • QT prolongation
 • Rightward deviation
TCA Overdose on ... prolongation • QT ... antidepressants #EKG #ECG #electrocardiogram ... #cardiology #diagnosis ... #clinical #criteria
Electrocardiographic Features of Digoxin Toxicity
 • Virtually any arrhythmia is possible. None specific for digoxin toxicity
conduction) "Digitalis effect ... Shortening of QT ... digitalis #Toxicity #Electrocardiogram ... ecg #toxicology #cardiology ... #diagnosis
Clinically Significant Cardiovascular Drug-Drug Interactions With OTC Supplements and Herbal Products
Angiotensin-Converting Enzyme Inhibitors (ACEIs)
 • Night-blooming
hypotension • Green tea ... Ginseng, Green tea ... wort - Increases QT ... wort - Increases QT ... pharmacology #DDI #table #cardiology
Approach to ECGs - Syncope Syndromes
Electrolytes
 • ↑K - brady, peak T, wide QRS, no P,
- short QT, Osborn ... - long QT via long ... • ↓ Mg - long QT ... EKG #Checklist #diagnosis ... #cardiology #electrocardiogram
Approach to ECGs
Check
 - Age, gender, name
 - 25mm/s; 10mm/mV
 - 1mm = 40ms; 0.1 mV
Rate
ICD/pacer - QTc ... DANGER - Short QT ... - Long QT: "antis ... antidepressants, TCA ... #electrocardiogram
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
antidepressant (TCA ... widened QRS and QTc ... #leadAVR #ecg #electrocardiogram ... #diagnosis #ekg ... #differential #cardiology