50 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Motor Function Shoulder ... , C8 (radial) Finger ... hand" ± Horner Syndrome ... Carpal Tunnel Syndrome ... Anterior Shoulder
Causes of Hypokalemia - Differential Diagnosis Algorithm
Defining the cause of hypokalemia starts by measuring urinary K
Causes of Hypokalemia ... Differential Diagnosis Algorithm ... Defining the cause ... Clinicians should ... differential #diagnosis #algorithm
Mallet Finger
Absence of a fracture does NOT exclude Mallet finger, the extension function of the DIP
Mallet Finger Absence ... exclude Mallet finger ... caused by disruption ... #Radiology #XRay ... #Orthopedics #MSK
Dizziness - Central and Peripheral Causes - Differential Diagnosis
Central Causes:
 • Cerebrovascular:  vertebrobasilar, TIA, Wallenburg,
oticus (Ramsay Hunt syndrome ... canal dehiscence syndrome ... • Cogan's syndrome ... Amy Chung, MD, MSc ... Differential #Diagnosis #algorithm
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
Wide (1) VT - DANGER ... B Afib + WPW - DANGER ... (2) Sick Sinus Syndrome ... pause 2º - Mobitz ... electrocardiogram #cardiology
Hypophosphatemia - Differential Diagnosis Algorithm
 • Decreased intake/absorption: Starvation, Alcoholism, Malabsorption, Phosphate binder use
 • Redistribution/
Differential Diagnosis Algorithm ... Malabsorption, Phosphate binder ... ), Hungry bone syndrome ... Differential #Diagnosis #Algorithm ... #causes #nephrology
Evaluation of Electrical Injury in the Emergency Department 

Common Injuries by System:

CNS - Seizure, coma, spinal
ED arrival MSK ... dislocations (posterior shoulder ... compartment syndrome ... Management #Emergency #Algorithm
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
Hypokalemia Evaluation Algorithm ... and paralysis should ... If present, it should ... wasting from other causes ... suggests extra-renal causes
Causes of Excessive Daytime Sleepiness - Differential Diagnosis Algorithm
Insufficient Sleep
 • Poor Sleep Hygiene
 • Insomnia
Causes of Excessive ... Differential Diagnosis Algorithm ... Restless Legs Syndrome ... Parkinson's, MS) ... #Causes
Causes of Growth Discrepancy: Large for Gestational Age - Differential Diagnosis Algorithm
Maternal Factors:
 • Multiparity
 •
Causes of Growth ... Differential Diagnosis Algorithm ... Complications: • Shoulder ... Differential #Diagnosis #Algorithm ... #Causes #Obstetrics