24 results
Digoxin effect on Electrocardiogram (EKG)
Digoxin is a cardiac glycoside from the foxglove leaf
Mechanism
 - Inhibits Na-K
Digoxin effect on Electrocardiogram ... Digoxin effect on ECG ... biphasic T waves - Short ... #EKG #Cardiology ... #Digitalis #ECG
WPW EKG after cardioversion of SVT

Here is the post-conversion ECG

The patient is now in Sinus Rhythm,
post-conversion ECG ... is strikingly short ... EM_RESUS #WPW #EKG ... #ECG #Electrocardiogram ... #Clinical #Cardiology
Wolff-Parkinson-White Syndrome

WPW is a congenital abnormality characterized by an abnormal accessory conduction pathway between the atria
a delta wave, short ... QRS interval on EKG ... 120 msec) 3 Short ... WolffParkinsonWhite #WPW #Cardiology ... #ECG #EKG #Electrocardiogram
Approach to ECGs - Syncope Syndromes
Electrolytes
 • ↑K - brady, peak T, wide QRS, no P,
Approach to ECGs ... Syncope #Syndromes #ECG ... #EKG #Checklist ... #diagnosis #cardiology ... #electrocardiogram
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
Dislocation On lateral wrist ... injury • ED Management ... #Carpal #Radiology ... XRay #Diagnosis #Management ... #Orthopedics #Sports
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
ulna, pain with wrist ... fractures • ED Management ... Triquetrum #Fracture #Wrist ... #Carpal #Radiology ... #Orthopedics #Sports
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
box, pain with wrist ... #TerryThomas #Wrist ... Scaphoid #Carpal #Radiology ... XRay #Diagnosis #Management ... #Orthopedics #Sports
Approach to ECGs
Check
 - Age, gender, name
 - 25mm/s; 10mm/mV
 - 1mm = 40ms; 0.1 mV
Rate
Approach to ECGs ... 500 DANGER - Short ... #Approach #ECG ... #electrocardiogram ... #cardiology #interpretation
Approach to ECGs - Ischemia
MI = Biomarkers + ECG or echo/angiogram findings
Pathologic Q - 1/3 height
= Biomarkers + ECG ... deWinter T waves - starts ... #Ischemia #ECG ... #electrocardiogram ... #cardiology #STEMI
Cardiac Event Monitoring Devices - Compared
Ambulatory ECG (Hotter):
 • Advantages: Continuous recording, records asx events, all
Compared Ambulatory ECG ... events, all (most) ECG ... Disadvantages: Short ... Devices #Comparison #cardiology ... #management #holter