14 results
TCA Overdose on EKG
 • Sinus tachycardia
 • QRS prolongation
 • QT prolongation
 • Rightward deviation
• Sinus tachycardia ... prolongation • QT ... Overdose #tricyclic #antidepressants ... #EKG #ECG #electrocardiogram ... #cardiology #diagnosis
Digoxin effect on Electrocardiogram (EKG)
Digoxin is a cardiac glycoside from the foxglove leaf
Mechanism
 - Inhibits Na-K
Electrocardiogram ... (EKG) Digoxin ... : - Scooping ST ... waves - Short QT ... #EKG #Cardiology
Electrocardiographic Features of Digoxin Toxicity
 • Virtually any arrhythmia is possible. None specific for digoxin toxicity
Shortening of QT ... " or "sagging" ST ... digitalis #Toxicity #Electrocardiogram ... #ekg #ecg #toxicology ... #cardiology #diagnosis
Pediatric ECG Interpretation Guide

1) Rate Calculation
2) Rhythm
3) QRS Axis
4) P Wave
5) ST Segment
6) QTc
7) QRS Complex
8)
4) P Wave 5) ST ... Segment 6) QTc ... gracie_leo #ECG ... Interpretation #Pediatrics #peds ... #cardiology #Electrocardiogram
Approach to ECGs - Syncope Syndromes
Electrolytes
 • ↑K - brady, peak T, wide QRS, no P,
• ↑ Ca - short QT ... • ↓ Ca - long QT ... • ↓ Mg - long QT ... #diagnosis #cardiology ... #electrocardiogram
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
Tricyclic antidepressant ... widened QRS and QTc ... #AVR #leadAVR #ecg ... #electrocardiogram ... #differential #cardiology
Clinically Significant Cardiovascular Drug-Drug Interactions With OTC Supplements and Herbal Products
Angiotensin-Converting Enzyme Inhibitors (ACEIs)
 • Night-blooming
hypertension and tachycardia ... hypertension and tachycardia ... wort - Increases QT ... wort - Increases QT ... pharmacology #DDI #table #cardiology
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
Flattened T waves QT ... • QT interval is ... = QT / √ RR - ... thumb: a normal QT ... #Electrocardiogram
Approach to ECGs
Check
 - Age, gender, name
 - 25mm/s; 10mm/mV
 - 1mm = 40ms; 0.1 mV
Rate
DANGER - Short QT ... : ↑ca - Long QT ... antipsychotics, antidepressants ... #electrocardiogram ... #cardiology #interpretation
EKG with Cerebral T Waves in Subarachnoid Hemorrhage

ECG of a 45-year-old man who suddenly collapsed to
These ECG changes ... There is a long QT ... There are ST deviations ... #EKG #Electrocardiogram ... Hemorrhage #SAH #Cardiology