29 results
Hypermagnesemia - Etiologies by Mechanism
Renal Failure 
Excessive Mg Administration 
 - Massive PO intake
Etiologies by Mechanism ... IV Mg infusion (e.g ... - Tumor lysis syndrome ... Magnesium #Table #Causes ... #Management
Digoxin effect on Electrocardiogram (EKG)
Digoxin is a cardiac glycoside from the foxglove leaf
Mechanism
 - Inhibits Na-K
foxglove leaf Mechanism ... - Decreases AV ... nodal conduction Uses ... Electrocardiogram #EKG ... #Cardiology #Digitalis
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
EKG Interpretation ... interval ≥ 120 ms ... WolffParkinson-White syndrome ... @AmyChung #EKG ... Electrocardiogram #cardiology
Shock - Differential Diagnosis by Classification
Reflex Syncope 
 - Vasovagal syncope
   • Prolonged standing
Differential Diagnosis by Classification ... • AV block ... Subclavian steal syndrome ... Differential #Diagnosis #Classification ... #Table #Causes
Monteggia Fracture 
Fracture of proximal ulnar shaft with radial head dislocation. Remember “MUGR” to recall where
radiocapitellar line • Mechanism ... ), compartment syndrome ... Posterior long arm ... Forearm #Ulnar #Radiology ... Orthopedics #Proximal #MSK
Chest Pain / ACS Evaluation Algorithm
Algorithm that attempts to the use history taking (guided by LRs),
Diamond-Forrester classification ... Ask about: - Changes ... physical activity - Nausea ... - History - EKG ... diagnosis #Algorithm #cardiology
WOBBLER  for ECG assessment in Syncope 
W - Wolff Parkinson White 
O - Obstructed AV
O - Obstructed AV ... syncope, can be caused ... characteristically cause ... Mnemonic #Syncope #EKG ... #Cardiology
Supracondylar Elbow Fracture
• Most common elbow fracture in children, peak age 5-7 
• When looking at
epicondyle (age 11) • Mechanism ... ), compartment syndrome ... • ED Management ... Posterior long arm ... #Orthopedics #MSK
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
(2) Sick Sinus Syndrome ... 200ms from longer pause ... bradyarrhythmia #ECG ... #EKG #diagnosis ... electrocardiogram #cardiology
Summary of Heart Blocks
1st Degree Heart Block:
 • Prolonged PR >200ms (5 small squares).
 • Narrow
Brady Management ... • Block in AV ... HeartBlocks #Types #Classification ... summary #Diagnosis #EKG ... #cardiology