13 results
Left Wrist Drop - Radial Nerve Palsy on Physical Examination

Left hand drop due to compression of
Left Wrist Drop ... sleeping as in this case ... #Nerve #Palsy #PhysicalExam ... orthopedics #msk #sports ... #neurology
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
Causes of Knee Effusions ... - Differential ... Ligamentous injuries - Meniscal ... #differential # ... diagnosis #msk #physicalexam
Causes of Peripheral Weakness without Sensory Changes - Differential Diagnosis Algorithm
No Objective Weakness
 • Cardio-pulmonary disease
Causes of Peripheral ... Deconditioning • Arthritis ... Lambert-Eaton Myasthenic Syndrome ... Peripheral #Weakness #Neurology ... #Differential #
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Pronation - C7, C8 Wrist ... Wrist drop - Occurs ... Carpal Tunnel Syndrome ... Myotomes #diagnosis #neurology ... sensory #motor #arm #physicalexam
Hematuria - Differential Diagnosis Framework

Gross Hematuria: Red/Dark urine
 • 1ml blood/liter urine can induce color change
Hematuria - Differential ... pain hematuria syndrome ... Hematuria: • Urethritis ... #Hematuria #Differential ... #urology #nephrology
Causes of Hematuria - Differential Diagnosis
Renal:
 - Glomerular - IgA Nephropathy, Thin basement membrane, Alport syndrome,
Causes of Hematuria ... - Differential ... membrane, Alport syndrome ... mainly women), Urethritis ... #urology
Ear Pain (Otalgia) - Differential Diagnosis Framework

Primary Otalgia 
 - Pain that originates from the ear
Pain (Otalgia) - Differential ... - Ramsay Hunt syndrome ... Nerve V: • TMJ syndrome ... vision or black spots ... Otalgia #Ear #Pain #Otology
Mechanisms of Pain
Mixed - Nociceptive/Neuropathic
Nociceptive - Tissue Damage
 - Visceral - (From organ/cavity lining) Poorly localized,
Well-localized, sharp, short ... regional pain syndrome ... Pain #Mechanisms #Neurology ... #Differential # ... Diagnosis #Algorithm #Causes
Adie's Pupil
What? Unknown nature & benign
 • Regular and mildly dilated pupil (4-6mm);
 • Light-near dissociaton;
Holmes-Adie Syndrome ... Young females Differential ... dissociation • Other causes ... #Adies #Pupil #PhysicalExam ... #neurology #ophthalmology
Causes of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
1. Benign paroxysmal positional vertigo (BPPV) - Short-lived (typically less
vertigo (BPPV) - Short-lived ... (Wallenberg's syndrome ... Syndrome usually ... #differential # ... diagnosis #neurology