8 results
Electrocardiographic Features of Digoxin Toxicity
 • Virtually any arrhythmia is possible. None specific for digoxin toxicity
Toxicity • Virtually ... Shortening of QT ... #Electrocardiogram ... #ekg #ecg #toxicology ... #cardiology #diagnosis
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
EKG with Cerebral T Waves in Subarachnoid Hemorrhage

ECG of a 45-year-old man who suddenly collapsed to
Subarachnoid Hemorrhage ECG ... These ECG changes ... There is a long QT ... #EKG #Electrocardiogram ... Hemorrhage #SAH #Cardiology
Approach to ECGs
Check
 - Age, gender, name
 - 25mm/s; 10mm/mV
 - 1mm = 40ms; 0.1 mV
Rate
DANGER - Short QT ... : ↑ca - Long QT ... #Approach #ECG ... #EKG #diagnosis ... #electrocardiogram
Checklist Approach to Hypokalemia

Consider risk factors for arrhythmia:
 - EKG changes (especially QT prolongation)
 - Digoxin
arrhythmia: - EKG ... changes (especially QT ... prolongation) - Digoxin ... their validity (e.g ... clinical context & EKG
Premature Ventricular Complexes (PVC's) - Summary Framework

Why PVCs?  Can be the first manifestation of cardiac
arrhythmia syndromes (e.g ... ., long QT syndrome ... Substances • Digoxin ... toxicity Symptoms ... 300 = NSVT EKG
Admitting in the ICU - Checklist
VITALS: If bad, stop and go see the patient immediately; you
Admitting in the ICU ... hyponatremia, AKI, etc ... esp in work-up/management ... will also get an EKG ... diagnosis #workup #criticalcare
Intraoperative  Bradycardia - Guidelines for Crises in Anaesthesia
Bradycardia in theatre should not be treated as
known drug causes (eg ... etc) ... local anaesthetic toxicity ... Checklist #Diagnosis #Management ... #Workup #Cardiology