55 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Motor Function Shoulder ... Pronation - C7, C8 Wrist ... Horner Syndrome Wrist ... Anterior Shoulder ... Myotomes #diagnosis #neurology
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
Dislocation On lateral wrist ... capitate ("apple") should ... tea cup") which should ... #Carpal #Radiology ... #Orthopedics #Sports
Left Wrist Drop - Radial Nerve Palsy on Physical Examination

Left hand drop due to compression of
Left Wrist Drop ... sleeping as in this case ... trauma_modern #Wrist ... orthopedics #msk #sports ... #neurology
Causes of Hypokalemia - Differential Diagnosis Algorithm
Defining the cause of hypokalemia starts by measuring urinary K
- Differential ... of hypokalemia starts ... Clinicians should ... #hypokalemia #differential ... #nephrology #potassium
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
all carpal bones should ... all carpal bones should ... box, pain with wrist ... Scaphoid #Carpal #Radiology ... #Orthopedics #Sports
Causes of acute kidney injury (AKI). AKI is classified into pre-renal, renal, and post-renal causes. Renal
Causes of acute ... Renal causes of ... AKI should be considered ... Kidney #Injury #Differential ... #Sites #Nephrology
Diagnostic Algorithm for Dizziness and Vertigo
Peripheral Vertigo:
 • Attacks: Sudden, severe, can last anywhere from seconds
Varies • No neurologic ... with vascular causes ... findings BPPV • Short-lived ... positional episodes caused ... Vertigo #Algorithm #differential
High Anion Gap Metabolic Acidosis (HAGMA) - Differential Diagnosis - GOLDMARK

Glycols - ethylene and propylene glycol
Oxoproline
Acidosis (HAGMA) - Differential ... associated with short ... salicylate toxicity causes ... Acidosis #HAGMA #Differential ... GOLDMARK #mnemonic #nephrology
Chest Pain - Differential Diagnosis Algorithm
Cardiovascular Causes:
 - Outflow Obstruction
     • Aortic
Chest Pain - Differential ... Cardiovascular Causes ... • Trauma - Neurologic ... ChestPain #Noncardiac #Cardiology ... #Differential #
Algorithm for the diagnosis of chronic diarrhea.
It is usually impractical to test and treat the many
many possible causes ... In most cases, it ... First, physicians should ... specific tests to sort ... the much smaller differential