66 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Motor Function Shoulder ... aracteristic "claw hand ... spared in this injury ... Anterior Shoulder ... Myotomes #diagnosis #neurology
Costoclavicular Maneuver for Thoracic Outlet Syndrome

To perform the Costoclavicular Maneuver, draw the patient's shoulders inferiorly and
the patient's shoulders ... inferiorly and ... #Syndrome #Shoulder ... clinical #video #sports ... #msk #orthopedics
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
tea cup") which should ... onto outstretched hand ... , median nerve injury ... #Orthopedics #Sports ... #MSK
Reflex Testing - Causes of Hyporeflexia and Hyperreflexia
Focal Hyporeflexia: 
 • Radiculopathy, Mononeuropathy, Polyneuropathy, Acute stroke,
of Hyporeflexia and ... Acute spinal cord injury ... in spinal cord injury ... #differential # ... diagnosis #table #neurology
Causes of acute kidney injury (AKI). AKI is classified into pre-renal, renal, and post-renal causes. Renal
kidney injury (AKI ... AKI should be considered ... Acute #Kidney #Injury ... #Differential # ... #Sites #Nephrology
Causes of Hypokalemia - Differential Diagnosis Algorithm
Defining the cause of hypokalemia starts by measuring urinary K
- Differential ... of hypokalemia starts ... Clinicians should ... • Skin and/or ... #nephrology #potassium
Left Wrist Drop - Radial Nerve Palsy on Physical Examination

Left hand drop due to compression of
Examination Left hand ... sleeping as in this case ... to compression and ... #orthopedics #msk ... #sports #neurology
Costoclavicular (Eden’s) Test for Thoracic Outlet / Costoclavicular Syndrome

While palpating the radial pulses, the examiner pulls
palpating the radial ... examiner pulls the shoulders ... down and back as ... physicalexam #vascular #msk ... #orthopedics #sports
Costoclavicular (Eden’s) Test for Thoracic Outlet / Costoclavicular Syndrome

While palpating the radial pulses, the examiner pulls
palpating the radial ... examiner pulls the shoulders ... down and back as ... physicalexam #vascular #msk ... #orthopedics #sports
Acute Kidney Injury - AKI Workup Algorithm and Differential Diagnosis
Baseline Investigations: full blood count with differential,
Acute Kidney Injury ... osmolarity If cause ... • Cardio-renal syndrome ... Acute #Kidney #Injury ... #causes