949 results
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
Bone/Joint Causes ... Patellofemoral pain syndrome ... Hematoma Venous Causes ... stenosis/nerve compression ... extremity #msk #physicalexam
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
• Cauda Equina Syndrome ... Commonly caused ... fracture or prolonged compression ... sensory #motor #leg #physicalexam
Carpal Tunnel Syndrome 
Compression of median nerve 
Risk Factors 
 • Obesity 
 • Female gender
Carpal Tunnel Syndrome ... Compression of ... • Surgical decompression ... #CarpalTunnel #Syndrome
Hematuria - Differential Diagnosis Framework

Gross Hematuria: Red/Dark urine
 • 1ml blood/liter urine can induce color change
disease - Alport syndrome ... pain hematuria syndrome ... • Nutcracker syndrome ... : - Compression ... Radiation • Rapid decompression
Oropharyngeal and Esophageal Causes of Dysphagia - Differential Diagnosis
Oropharyngeal Dysphagia
 • Neuromuscular causes: CVA/CNS tumor/ALS, Parkinson's,
and Esophageal Causes ... - Intrinsic compression ... - Extrinsic compression ... - Intrinsic compression ... - Extrinsic compression
Jaundice - Differential Diagnosis Algorithm
Pre-Hepatic - Unconjugated Hyperbilirubinemia
Increased Production
 • Hemolysis
 • Ineffective Erythropoiesis
 • Hematoma
Decreased
• Gilbert's Syndrome ... Crigler-Najjar Syndromes ... Biliary Duct Compression ... Diagnosis #Algorithm #Causes
Etiology of Splenic Infarction:
 • Hypercoagulability: Factor V Leiden, Antiphospholipid syndrome, Malignancy
 • Embolic disease: Atrial
Antiphospholipid syndrome ... Splenic artery compression ... Wandering spleen syndrome ... differential #diagnosis #causes
Marcus Gunn Phenomenon - Jaw Winking Syndrome

Jaw-winking syndrome is thought to be caused by abnormal innervation
- Jaw Winking Syndrome ... Jaw-winking syndrome ... thought to be caused ... Most cases are congenital ... video #neurology #physicalexam
Pemberton's Sign caused by a Retrosternal Thyroid Goiter

Elevating the arms causes the previously flat neck veins
Pemberton's Sign caused ... Elevating the arms causes ... superior vena cava syndrome ... Thyroid #Goiter #PhysicalExam ... neck #mass #SVC #Syndrome
Vascular Joint Pain - Differential Diagnosis Algorithm 
 - Constant Pain (Ischemia)
 - Acute Onset
 -
Marfan's Syndrome ... Atherosclerosis) Compression ... Any structure compressing ... #Orthopedics #Causes