21 results
Digoxin effect on Electrocardiogram (EKG)
Digoxin is a cardiac glycoside from the foxglove leaf
Mechanism
 - Inhibits Na-K
fibrillation and ... atrial flutter ... Digoxin effect on ECG ... biphasic T waves - Short ... #EKG #Cardiology
Wolff-Parkinson-White Syndrome

WPW is a congenital abnormality characterized by an abnormal accessory conduction pathway between the atria
pathway between the atria ... and the ventricle ... PR, and widened ... WolffParkinsonWhite #WPW #Cardiology ... #ECG #EKG #Electrocardiogram
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
onto outstretched hand ... dorsum of the hand ... Wrist #Carpal #Radiology ... #XRay #Diagnosis ... #Sports #MSK
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
scapholunate interosseous ligament ... onto outstretched hand ... Scaphoid #Carpal #Radiology ... #XRay #Diagnosis ... #Sports #MSK
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
(e.g. ectopic atrial ... de pointes • Short ... Interpretation #ECG ... #Electrocardiogram ... #cardiology #diagnosis
Approach to ECGs
Check
 - Age, gender, name
 - 25mm/s; 10mm/mV
 - 1mm = 40ms; 0.1 mV
Rate
Approach to ECGs ... : WPW, ectopic atrial ... QT <300-360 ms: ... #electrocardiogram ... #cardiology #interpretation
Scaphoid Fractures
The scaphoid is the most commonly fractured carpal bone. Remember, if a fracture is suspected
as a result of arterial ... onto outstretched hand ... Wrist #Carpal #Radiology ... #XRay #Diagnosis ... #Sports #MSK
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
onto outstretched hand ... injury • ED Management ... Wrist #Carpal #Radiology ... #XRay #Diagnosis ... #Sports #MSK
Supracondylar Elbow Fracture
• Most common elbow fracture in children, peak age 5-7 
• When looking at
review alignment ... onto outstretched hand ... Elbow #Humerus #Radiology ... #XRay #Diagnosis ... #MSK
RADIAL HEAD FRACTURE 
Radial head fractures are the most common elbow fracture in adults and are
review alignment ... onto outstretched hand ... Fracture #Elbow #Radiology ... #XRay #Diagnosis ... #MSK