1978 results
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
Reflexes: • Knee ... dysfunction, and bilateral ... dorsum of foot and lateral ... Commonly caused ... Dermatomes #Myotomes #diagnosis
Causes of Facial Weakness - Differential Diagnosis Algorithm
Forehead Sparing = Central cause
  - Most commonly
Causes of Facial ... - Differential Diagnosis ... Sparing = Central cause ... Peripheral lesion - Bilateral ... #Differential #Diagnosis
Proptosis - Differential Diagnosis - Unilateral vs Bilateral
Unilateral:
 • Infections (can become bilateral with cavernous sinus
- Differential Diagnosis ... Infections (can become bilateral ... Sarcoid (can be bilateral ... #Differential #Diagnosis ... #Causes #ophthalmology
Causes of Anterior Uveitis - Differential Diagnosis
Anterior Uveitis - 90% of cases of Uveitis
 • Inflammation
Causes of Anterior ... - Differential Diagnosis ... Sarcoid, JIA Bilateral ... /bilateral up to ... #Differential #Diagnosis
Differential Diagnosis for Vision Loss
Unilateral, Painful Vision Loss:
 • Corneal abrasion, Acute angle-closure glaucoma, Inflammation-iritis, uveitis,
Differential Diagnosis ... optic neuropathy Bilateral ... to eye, Trauma Bilateral ... #differential #diagnosis ... #causes #ophthalmology
Knee Examination
Right Knee - Examination maneuvers include the Lachman (ACL), anterior drawer (ACL), Lateral pivot shift,
Knee Examination ... Right Knee - Examination ... drawer (ACL), Lateral ... #Diagnosis #Sports ... #Knee #PhysicalExam
Tinnitus - Subjective (heard only by patient) - 90% - Differential Diagnosis Algorithm
Unilateral On Audiogram -
- Differential Diagnosis ... • Metabolic Causes ... • Idiopathic Bilateral ... #Differential #Diagnosis ... #Algorithm #Causes
Vision Loss - Differential Diagnosis
Chronic: 
  - Cornea: Scarring, Edema
  - Lens: Cataracts
- Differential Diagnosis ... Stroke/lnfarct - Bilateral ... exposure) - Bilateral ... #Differential #Diagnosis ... #causes #ophthalmology
Mydriasis and Miosis - Differential Diagnosis Framework

Causes of Mydriasis:
Dilated pupils (mydriasis) more than 7mm
 • Unilateral
- Differential Diagnosis ... Framework Causes ... Mydriasis • Bilateral ... Hypothermia Causes ... #differential #diagnosis
Pulmonary Pathology and Associated Lung Ultrasound Findings
Pneumothorax:
 - No lung sliding/barcode sign
 - Lung point (hard
hard to find) - Bilateral ... pleura in severe cases ... Widespread and bilateral ... sliding - Possible bilateral ... #differential #diagnosis