22 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
Froment’s Test for Ulnar Nerve Palsy

This tests for pinch grip weakness caused by ulnar nerve palsy,
Nerve Palsy ... grip weakness caused ... #video #neurology ... #physicalexam # ... orthopedics #sports #hand
Acute Spinal Cord Injuries: Pathogenesis and clinical findings
 • Anterior Cord Syndrome -> Anterior spinal artery
Acute Spinal Cord ... #Acute #SpinalCord ... #Injury #Syndromes ... pathophysiology #signs ... #orthopedics #neurology
Localizing Extraocular Movement Disorders
 • CN Ill (Oculomotor) Nerve Palsy 
 • CN IV (Trochlear) Nerve
Fasciculus (MLF) Iniury ... • One-and-a-half ... Syndrome • Cavernous ... Skew Deviation Casey ... ophthalmology #neurology
Reflex Testing - Causes of Hyporeflexia and Hyperreflexia
Focal Hyporeflexia: 
 • Radiculopathy, Mononeuropathy, Polyneuropathy, Acute stroke,
of Hyporeflexia and ... Polyneuropathy, Acute ... stroke, Acute spinal ... cord injury Generalized ... diagnosis #table #neurology
Acute Kidney Injury - AKI Workup Algorithm and Differential Diagnosis
Baseline Investigations: full blood count with differential,
Acute Kidney Injury ... osmolarity If cause ... signs • Glomerulonephritis ... #Kidney #Injury ... #causes
Wartenberg's Sign on Physical Exam

Wartenberg's sign consists of involuntary abduction of the little finger, caused by
little finger, caused ... ulnar nerve neuropathy ... #PhysicalExam # ... clinical #video #hand ... #neurology
Adie's Pupil
What? Unknown nature & benign
 • Regular and mildly dilated pupil (4-6mm);
 • Light-near dissociaton;
Holmes-Adie Syndrome ... Diagnosis: • CN Ill Palsy ... dissociation • Other causes ... #Adies #Pupil #PhysicalExam ... #neurology #ophthalmology
Causes of Secondary Hypertension - Workup and Differential Diagnosis
Approach (when evaluation should be done):
1. Severe or
signs of end-organ ... heart failure, neurologic ... kidney injury). ... renal bruit or signs ... Neurologic disorders
Hematuria - Differential Diagnosis Framework

Gross Hematuria: Red/Dark urine
 • 1ml blood/liter urine can induce color change
Immune mediated injury ... disease - Alport syndrome ... pain hematuria syndrome ... hematuria • Signs ... #urology #nephrology