22 results
Digoxin effect on Electrocardiogram (EKG)
Digoxin is a cardiac glycoside from the foxglove leaf
Mechanism
 - Inhibits Na-K
Electrocardiogram (EKG ... foxglove leaf Mechanism ... Digoxin effect on ECG ... Electrocardiogram #EKG ... #ECG
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
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
EKG Interpretation ... origin (e.g. accelerated ... within the atria (e.g ... @AmyChung #EKG ... Interpretation #ECG
Shock - Differential Diagnosis by Classification
Reflex Syncope 
 - Vasovagal syncope
   • Prolonged standing
AV block ... Medication side effect (e.g ... Subclavian steal syndrome ... Medication side effect (e.g ... #Table #Causes
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
Approach to ECGs ... (2) Sick Sinus Syndrome ... bradyarrhythmia #ECG ... #EKG #diagnosis ... electrocardiogram #cardiology
WOBBLER  for ECG assessment in Syncope 
W - Wolff Parkinson White 
O - Obstructed AV
WOBBLER for ECG ... syncope, can be caused ... Mnemonic #Syncope #EKG ... #ECG #Diagnosis ... #Cardiology
Summary of Heart Blocks
1st Degree Heart Block:
 • Prolonged PR >200ms (5 small squares).
 • Narrow
Brady Management ... HeartBlocks #Types #Classification ... summary #Diagnosis #EKG ... electrocardiogram #ecg ... #cardiology
STEMI Equivalents on ECG
 • Conventional STEMI - Elevation of ST segment at (or 40-60 ms
Equivalents on ECG ... point • De Winter syndrome ... #Equivalents #ECG ... #EKG #diagnosis ... #differential #cardiology
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
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