43 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Pronation - C7, C8 Wrist ... Carpal Tunnel Syndrome ... Dermatomes #Myotomes #diagnosis ... #neurology #sensory ... #motor #arm #physicalexam
Marcus Gunn Phenomenon - Jaw Winking Syndrome

Jaw-winking syndrome is thought to be caused by abnormal innervation
thought to be caused ... by abnormal innervation ... Most cases are congenital ... clinical #video #neurology ... #physicalexam #
Acute Kidney Injury - AKI Workup Algorithm and Differential Diagnosis
Baseline Investigations: full blood count with differential,
and Differential Diagnosis ... osmolarity If cause ... investigations abnormal ... clinical context and signs ... #nephrology #causes
Hematuria - Differential Diagnosis Framework

Gross Hematuria: Red/Dark urine
 • 1ml blood/liter urine can induce color change
- Differential Diagnosis ... hematuria • Signs ... → Diagnostic of ... artery embolism • AVM ... #causes #urology
Adie's Pupil
What? Unknown nature & benign
 • Regular and mildly dilated pupil (4-6mm);
 • Light-near dissociaton;
Holmes-Adie Syndrome ... females Differential Diagnosis ... Ill Palsy - abnormal ... dissociation • Other causes ... #neurology #ophthalmology
The Neurological Evaluation of a Comatose Patient

Definition:
 • Coma: a state of unresponsiveness; the absence of
Differential Diagnosis ... • Examine for signs ... caseyalbin #PhysicalExam ... #neurology #comatose ... #diagnosis
Abnormalities in Rate and Rhythm of Breathing 
Normal 
The respiratory rate is about 14—20 per min
punctuated by frequent sighs ... hyperventilation syndrome—a ... Occasional sighs ... are normal. ... #Diagnosis #PhysicalExam
THE LIMPING OR NON-WEIGHT BEARING CHILD PATHWAY

RED FLAGS - In all cases there are specific
markers which
there are specific ... splenomegaly, abnormal ... neurology, back ... cell disease Rheumatology ... Peds #Pediatrics #Diagnosis
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
• Cauda Equina Syndrome ... Commonly caused ... Dermatomes #Myotomes #diagnosis ... #neurology #sensory ... #motor #leg #physicalexam
Urinary Casts and Disease Associations
Hyaline - May be nonspecific; seen in normal individuals or during severe
nonspecific; seen in normal ... are seen in acute ... Fatty - Nephrotic syndrome ... Differential #Microscopy #Diagnosis ... #Nephrology