54 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Pronation - C7, C8 Wrist ... hand" ± Horner Syndrome ... Wrist drop - Occurs ... Carpal Tunnel Syndrome ... sensory #motor #arm #physicalexam
Dizziness - Central and Peripheral Causes - Differential Diagnosis
Central Causes:
 • Cerebrovascular:  vertebrobasilar, TIA, Wallenburg,
- Differential ... toxicity • Otitis media ... Amy Chung, MD, MSc ... #Differential # ... Diagnosis #algorithm
Causes of Excessive Daytime Sleepiness - Differential Diagnosis Algorithm
Insufficient Sleep
 • Poor Sleep Hygiene
 • Insomnia
Causes of Excessive ... Diagnosis Algorithm ... Medical/Psychiatric ... Parkinson's, MS) ... #Causes
Left Wrist Drop - Radial Nerve Palsy on Physical Examination

Left hand drop due to compression of
Left Wrist Drop ... sleeping as in this case ... trauma_modern #Wrist ... Nerve #Palsy #PhysicalExam ... #orthopedics #msk
Hemolysis - Diagnostic Algorithm and Causes

Increased red cell production: 
 • Increased Reticulocytosis/polychromasia 
 • Erythroid
and Causes Increased ... #Differential # ... Causes #Workup # ... Hematology #Diagnosis ... Hall Textbook of Medical
Hirsutism & Virilization - Differential Diagnosis Algorithm
ADRENAL EXCESS
Ovarian
 • Polycystic Ovarian Syndrome
 • Hyperthecosis
 • Tumor
Adrenal
Virilization - Differential ... Diagnosis Algorithm ... • Diazoxide Medical ... #Diagnosis #Algorithm ... endocrinology #causes
Causes of Thrombocytopenia - Differential Diagnosis Algorithm
 
Decreased Megakaryopoiesis
 • Aplastic Anemia
 • Toxic Damage (e.g.
Causes of Thrombocytopenia ... - Differential ... Diagnosis Algorithm ... Non-lmmune: • HELLP Syndrome ... #Causes #Hematology
Jaundice - Differential Diagnosis Algorithm
Pre-Hepatic - Unconjugated Hyperbilirubinemia
Increased Production
 • Hemolysis
 • Ineffective Erythropoiesis
 • Hematoma
Decreased
Jaundice - Differential ... Diagnosis Algorithm ... • Gilbert's Syndrome ... Crigler-Najjar Syndromes ... #Causes #Hepatology
Genital Skin Ulcers - Differential Diagnosis Algorithm
Painful:
 • Herpes simplex
 • Haemophilus ducreyi (chancroid)
 • Behcet's
Skin Ulcers - Differential ... Diagnosis Algorithm ... ) • Behcet's syndrome ... #Differential # ... #causes
Causes of Developmental Delay - Differential Diagnosis Algorithm
Isolated Domain Delay - Reduced Respiratory Drive:
 • Cognitive
Causes of Developmental ... Delay - Differential ... Diagnosis Algorithm ... Cognitive Impairment (Mental ... #Causes #Peds #