35 results
Causes of Hypokalemia - Differential Diagnosis Algorithm
Increased Loss 
 - Increased GI Loss
 - Increased Urinary
Causes of Hypokalemia ... - Differential ... K-ATPase which imports ... - Refeeding Syndrome ... potassium #low #pathophysiology
Causes of Sudden Cardiac Arrest
Primary Myocardial Processes (> 90%):
 • Acquired structural heart disease: CAD, Most
Causes of Sudden ... Channelopathies: Long/short ... Cardiac #Arrest #cardiology ... #differential # ... diagnosis #causes
Mallet Finger
Absence of a fracture does NOT exclude Mallet finger, the extension function of the DIP
caused by disruption ... fracture • ED Management ... #Radiology #XRay ... #Diagnosis #Management ... #Orthopedics #MSK
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
B Afib + WPW - DANGER ... (2) Sick Sinus Syndrome ... pause 2º - Mobitz ... electrocardiogram #cardiology ... #differential
Distal Radius Fracture 
Distal radius fracture is the most common orthopedic injury. Here's a quick summary.
•
carpal tunnel syndrome ... injury) • ED Management ... reduction using finger ... Colles #Distal #Radiology ... #Orthopedics #MSK
Bradycardia - Differential Diagnosis Framework

BRADI Mnemonic
 • BRASH/Hyperkalemia
 • Reduced oxygen/Glucose/Temp
 • ACS
 • Drugs
 •
Bradycardia - Differential ... • His-Purkinje Fiber ... #Bradycardia #differential ... #diagnosis #causes ... #cardiology #BRADI
Mechanisms of Pain
Mixed - Nociceptive/Neuropathic
Nociceptive - Tissue Damage
 - Visceral - (From organ/cavity lining) Poorly localized,
Well-localized, sharp, short ... well-localized, dull, longer ... regional pain syndrome ... Mechanisms #Neurology #Differential ... Diagnosis #Algorithm #Causes
Guillain-Barre Syndrome - Summary

Acute AIDP that presents with rapidly progressive flaccid weakness

Epidemiology:
 • 1-2 cases/100,000 per
Guillain-Barre Syndrome ... Epidemiology: • 1-2 cases ... Guillain-Barre Pathophysiology ... • Weakness: Starts ... #diagnosis #management
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
dorsally and no longer ... injury • ED Management ... Wrist #Carpal #Radiology ... #Orthopedics #Sports ... #MSK
Widened Pulse Pressure - Differential Diagnosis and Pathophysiology

Pulse pressure is the difference between the systolic blood
Pulse Pressure - Differential ... Diagnosis and Pathophysiology ... Acute Coronary Syndrome ... #Diagnosis #Pathophysiology ... #causes #cardiology