36 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
aracteristic "claw hand ... " ± Horner Syndrome ... spared in this injury ... Myotomes #diagnosis #neurology ... sensory #motor #arm #physicalexam
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
Left Wrist Drop - Radial Nerve Palsy on Physical Examination

Left hand drop due to compression of
Examination Left hand ... sleeping as in this case ... #Nerve #Palsy #PhysicalExam ... orthopedics #msk #sports ... #neurology
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
Causes of Hypokalemia - Differential Diagnosis Algorithm
Defining the cause of hypokalemia starts by measuring urinary K
- Differential ... of hypokalemia starts ... • Skin and/or ... #hypokalemia #differential ... #nephrology #potassium
Gerstmann Syndrome
1) Finger agnosia - Inability to name their own fingers, affecting both sides
2) Right-left confusion
Gerstmann Syndrome ... - Inability to differentiate ... right and left, ... Traumatic Brain Injury ... #neurology #diagnosis
Confabulation
What? Honest Lie.  
No incoming sensory information + Filling of the blanks with different information
Traumatic Brain Injury ... Disease, Anton's Syndrome ... Confabulation #differential ... #diagnosis #causes ... #neurology
Hematuria - Differential Diagnosis Framework

Gross Hematuria: Red/Dark urine
 • 1ml blood/liter urine can induce color change
Hematuria - Differential ... Immune mediated injury ... pain hematuria syndrome ... #Hematuria #Differential ... #urology #nephrology
Mechanisms of Pain
Mixed - Nociceptive/Neuropathic
Nociceptive - Tissue Damage
 - Visceral - (From organ/cavity lining) Poorly localized,
regional pain syndrome ... • Spinal injury ... Pain #Mechanisms #Neurology ... #Differential # ... Diagnosis #Algorithm #Causes
Lesions of the Spinal cord - Spinal Cord Syndromes

Spinal cord lesions can result in permanent neurologic
result in permanent neurologic ... Causes of spinal ... • Extrinsic Causes ... #lesions #differential ... #diagnosis #neurology