89 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
hand" ± Horner Syndrome ... Carpal Tunnel Syndrome ... Dermatomes #Myotomes #diagnosis ... #neurology #sensory ... #motor #arm #physicalexam
Causes of Hypokalemia - Differential Diagnosis Algorithm
Defining the cause of hypokalemia starts by measuring urinary K
- Differential ... Diagnosis Algorithm ... of hypokalemia starts ... #diagnosis #algorithm ... #causes #nephrology
Causes of Excessive Daytime Sleepiness - Differential Diagnosis Algorithm
Insufficient Sleep
 • Poor Sleep Hygiene
 • Insomnia
Causes of Excessive ... Diagnosis Algorithm ... Medical/Psychiatric ... Disorders • Neurologic ... #Causes
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 ... Diagnosis Framework ... #differential # ... physicalexam
BEE Syndromes - Immune-mediated conditions affecting the brain, eye, and ear

Visual or auditory symptoms in conjunction
and treatment can ... Inflammatory causes ... #neurology #inflammatory ... #differential # ... diagnosis
Localizing Extraocular Movement Disorders
 • CN Ill (Oculomotor) Nerve Palsy 
 • CN IV (Trochlear) Nerve
Nerve palsy • Medial ... One-and-a-half Syndrome ... ophthalmology #neurology ... #differential # ... diagnosis #ocular
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
Reflexes: • Knee ... • Cauda Equina Syndrome ... Medical Emergency ... Commonly caused ... #neurology #sensory
Left Wrist Drop - Radial Nerve Palsy on Physical Examination

Left hand drop due to compression of
sleeping as in this case ... #Nerve #Palsy #PhysicalExam ... #clinical #video ... orthopedics #msk #sports ... #neurology
Short Stature - Differential Diagnosis Algorithm
Normal Variant, Normal Puberty Onset (BA = CA)
 • Familial Short
Differential Diagnosis ... Panhypopituitarism Treatment ... #ShortStature #Differential ... #Diagnosis #Algorithm ... endocrinology #causes
Medial Meniscus Bucket Handle Tear - MSK Radiology
Imaging Findings:
 • Truncation of the medial meniscus on
Case description ... Differential diagnosis ... BucketHandle #Tear #knee ... #mri #clinical ... #Radiology #diagnosis