36 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Motor Function Shoulder ... , C8 (radial) Finger ... Jerk - C7, C8 • Biceps ... Anterior Shoulder ... Dermatomes #Myotomes #diagnosis
Rotator Cuff Syndrome - SITS
Supraspinatus, Infraspinatus, Teres minor, and Subscapularis.
Causes: Calcific supraspinatus tendinitis 
Signs: painful abduction
Rotator Cuff Syndrome ... Causes: Calcific ... arm, empty can test ... Rotator #Cuff #Syndrome ... #orthopedics #diagnosis
Cold Urticaria
Prevalence - 0.05% in the population
Disease onset - Mostly 2nd to 4th decades of life
Causes
decades of life Causes ... within one hour or longer ... Disorientation, vertigo Diagnostic ... Cold #Urticaria #diagnosis ... #rheumatology #
Pruritus - Generalized Differential Diagnosis Algorithm - Systemic and Primary Causes
== Primary Skin Lesions ==
Macules /
Generalized Differential Diagnosis ... Systemic and Primary Causes ... • Arthropod bites ... Liver Function Tests ... Myelodisplastic syndrome
Causes of Bone/Joint Pain in Sickle Cell Disease
Vaso-occlusive pain:
 • Mechanism: ischemic pain
 • Can present
Causes of Bone/Joint ... predispose to other orthopedic ... common sites: hip, shoulder ... #differential #diagnosis ... #causes #hematology
Causes of Anemia with elevated Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Normal Blood Smear
 •
Causes of Anemia ... - Differential Diagnosis ... Myelodysplastic Syndromes ... Liver Function Tests ... #Hematology
Thrombocytopenia and Pregnancy - TTP/HUS, HELLP Syndrome and Acute Fatty Liver of Pregnancy (AFLP)
Three syndromes in
TTP/HUS, HELLP Syndrome ... Elevated Liver tests ... child * Severe cases ... AFLP #obstetrics #hematology ... #diagnosis #table
Hearing Loss - Differential Diagnosis Framework

Hearing Loss Types:
• Conductive
• Sensorineural
• Mixed
Presbycusis is the most common type
- Differential Diagnosis ... The evaluation should ... audiometry • Patients should ... cause unknown) ... II ○ Susac’s syndrome
Eichhoff's Test in de Quervain's Tenosynovitis

The Eichhoff test is used to assess for de Quervain's tenosynovitis,
condition that causes ... and wraps their fingers ... rotates the wrist to cause ... #sports #msk #orthopedics ... #rheumatology #
Eichhoff's Test in de Quervain's Tenosynovitis

The Eichhoff test is used to assess for de Quervain's tenosynovitis,
condition that causes ... and wraps their fingers ... rotates the wrist to cause ... #sports #msk #orthopedics ... #rheumatology #