38 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Myotomes Motor ... " ± Horner Syndrome ... Carpal Tunnel Syndrome ... Extremity #Dermatomes #Myotomes ... #diagnosis #neurology
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
Myotomes Reflexes ... : • Knee - L2 ... • Cauda Equina Syndrome ... Commonly caused ... #diagnosis #neurology
Rotator Cuff Syndrome - SITS
Supraspinatus, Infraspinatus, Teres minor, and Subscapularis.
Causes: Calcific supraspinatus tendinitis 
Signs: painful abduction
, Teres minor, and ... Causes: Calcific ... supraspinatus tendinitis Signs ... #orthopedics #diagnosis ... #sports #MSK #anatomy
Causes of Hypokalemia - Differential Diagnosis Algorithm
Defining the cause of hypokalemia starts by measuring urinary K
- Differential Diagnosis ... of hypokalemia starts ... • Skin and/or ... #differential #diagnosis ... #nephrology #potassium
Hematuria - Differential Diagnosis Framework

Gross Hematuria: Red/Dark urine
 • 1ml blood/liter urine can induce color change
- Differential Diagnosis ... pain hematuria syndrome ... hematuria • Signs ... → Diagnostic of ... #causes #urology
Acute Kidney Injury - AKI Workup Algorithm and Differential Diagnosis
Baseline Investigations: full blood count with differential,
Differential Diagnosis ... osmolarity If cause ... signs • Glomerulonephritis ... • Cardio-renal syndrome ... #nephrology #causes
Nikolsky's Sign in Toxic Epidermal Necrolysis (TEN)

Nikolsky's sign is a clinical dermatological sign which is present
Stevens-Johnson Syndrome ... Staphylococcal scalded skin syndrome ... , caused by the ... differentiating between the diagnosis ... #TEN #Dermatology
Trendelenburg Gait: Pathogenesis and clinical findings

Skeletal Pathology of the Hip
 • Arthritis
 • Congenital hip dysplasia
Chondrodysplasia Neurologic ... Valgus position of knee ... pathophysiology #causes ... #symptoms #signs ... #diagnosis #msk
Causes of Secondary Hypertension - Workup and Differential Diagnosis
Approach (when evaluation should be done):
1. Severe or
Differential Diagnosis ... signs of end-organ ... heart failure, neurologic ... renal bruit or signs ... Neurologic disorders
Adie's Pupil
What? Unknown nature & benign
 • Regular and mildly dilated pupil (4-6mm);
 • Light-near dissociaton;
Holmes-Adie Syndrome ... females Differential Diagnosis ... dissociation • Other causes ... @neudrawlogy #Adies ... #PhysicalExam #neurology