21 results
Hypermagnesemia - Etiologies by Mechanism
Renal Failure 
Excessive Mg Administration 
 - Massive PO intake
Etiologies by Mechanism ... IV Mg infusion (e.g ... - Tumor lysis syndrome ... High #Magnesium #Table ... #Causes #Management
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
Etiologies by Mechanism ... Miscellaneous Mechanisms ... Low #Magnesium #Table ... #Classification ... #Causes #Workup
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
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
Hyponatremia - Differential Diagnosis by Mechanism
Decr Blood Pressure (“Decr Effective Circulating Volume”) 
 - Volume depletion
Differential Diagnosis by Mechanism ... - Cirrhosis Syndrome ... - Malignancy (e.g ... Differential #Diagnosis #Table ... #Causes #Sodium
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
EKG Interpretation ... interval ≥ 120 ms ... WolffParkinson-White syndrome ... @AmyChung #EKG ... Electrocardiogram #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
Acute Coronary Syndrome (ACS) Definitions - Stable Angina, Unstable Angina, NSTEMI, STEMI
1 STABLE ANGINA - Angina
Acute Coronary Syndrome ... thrombus formation causes ... is reflected by ECG ... #Diagnosis #Cardiology ... Text: The Only EKG
Monteggia Fracture 
Fracture of proximal ulnar shaft with radial head dislocation. Remember “MUGR” to recall where
radiocapitellar line • Mechanism ... ), compartment syndrome ... Posterior long arm ... • If stable ... Orthopedics #Proximal #MSK
Treatment of Stable Narrow-Complex Tachycardia
Regular Rhythm:
 • Attempt vagal maneuvers
 • Give adenosine 6 milligrams IV
Treatment of Stable ... Control rate with AV ... Treat underlying cause ... Treat underlying cause ... Treatment #management #cardiology