14 results
Digoxin effect on Electrocardiogram (EKG)
Digoxin is a cardiac glycoside from the foxglove leaf
Mechanism
 - Inhibits Na-K
(EKG) Digoxin ... syrnptom reduction) - not ... biphasic T waves - Short ... #EKG #Cardiology ... #Digitalis #ECG
Electrocardiographic Features of Digoxin Toxicity
 • Virtually any arrhythmia is possible. None specific for digoxin toxicity
None specific for ... AV conduction) "Digitalis ... #Toxicity #Electrocardiogram ... #ekg #ecg #toxicology ... #cardiology #diagnosis
Osborn waves - positive deflections at the J point (negative in aVR and V1) with a
- are abnormal electrocardiogram ... , but they are not ... #Cardiology #diagnosis ... #CriticalCare # ... #osbornwaves #Electrocardiogram
Summary of Heart Blocks
1st Degree Heart Block:
 • Prolonged PR >200ms (5 small squares).
 • Narrow
Brady Management ... Pacemaker - Will not ... summary #Diagnosis #EKG ... #electrocardiogram ... #ecg #cardiology
Scaphoid Fractures
The scaphoid is the most commonly fractured carpal bone. Remember, if a fracture is suspected
snuffbox) but not ... Wrist #Carpal #Radiology ... #XRay #Diagnosis ... #Management #Orthopedics ... #Sports #MSK
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
capitate "apple" does not ... injury • ED Management ... Wrist #Carpal #Radiology ... #XRay #Diagnosis ... #Sports #MSK
Cardiac Event Monitoring Devices - Compared
Ambulatory ECG (Hotter):
 • Advantages: Continuous recording, records asx events, all
Compared Ambulatory ECG ... Disadvantages: Short ... Disadvantages: Does not ... Devices #Comparison #cardiology ... #management #holter
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
EKG Interpretation ... = QT / √ RR - Note ... de pointes • Short ... #Electrocardiogram ... #cardiology #diagnosis
Short QT Syndrome
Short QT syndrome (SQTS) is a very rare, recently described syndrome in which an
Short QT Syndrome ... Short QT syndrome ... , though it is not ... Syndrome #diagnosis #cardiology ... #ecg #ekg #electrocardiogram
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
depression in aVR, not ... depression in aVR, not ... Osborne waves - Short ... differential #diagnosis #cardiology ... #ecg #ekg #electrocardiogram