40 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Erb's Palsy is caused ... hand" ± Horner Syndrome ... Carpal Tunnel Syndrome ... Anterior Shoulder Dislocation ... - May cause axillary
Rotator Cuff Syndrome - SITS
Supraspinatus, Infraspinatus, Teres minor, and Subscapularis.
Causes: Calcific supraspinatus tendinitis 
Signs: painful abduction
Rotator Cuff Syndrome ... Causes: Calcific ... Signs: painful abduction ... Rotator #Cuff #Syndrome ... diagnosis #sports #MSK
Anterior Shoulder Dislocation: Pathogenesis, clinical, and radiographic findings

Trauma, Fall on, outstretched arm, Overhead throwing => Abduction
Anterior Shoulder Dislocation ... Overhead throwing => Abduction ... x-ray view -> Dislocation ... signs #symptoms #msk ... #orthopedics #pathophysiology
Hippocratic Shoulder Reduction 
Shoulder reduction is the process of returning the shoulder to its normal position
Shoulder reduction ... following a shoulder dislocation ... In cases where closed ... #MSK #PhysicalExam ... clinical #video #dislocation
Pathophysiology of Diabetic Ketoacidosis (DKA) and Hyperglycemic Hyperosmolar Syndrome (HHS)
Absolute Insulin deficit:
 - Type I DM:
Pathophysiology ... Hyperglycemic Hyperosmolar Syndrome ... - inadequate production ... #dka #hhs #pathophysiology ... #comparison #endocrinology
Carpal Tunnel Syndrome: Pathogenesis and clinical findings
 • Dysthesias - Tingling, burning, or painful sensation at
Carpal Tunnel Syndrome ... • Weak thumb abduction ... #CarpalTunnel #Syndrome ... #pathophysiology ... #msk #overuse
Causes of Hypokalemia - Differential Diagnosis Algorithm
Increased Loss 
 - Increased GI Loss
 - Increased Urinary
Causes of Hypokalemia ... Increased Cell Production ... - Refeeding Syndrome ... Diagnosis #Algorithm #causes ... potassium #low #pathophysiology
Trendelenburg Gait: Pathogenesis and clinical findings

Skeletal Pathology of the Hip
 • Arthritis
 • Congenital hip dysplasia
Fracture • Hip dislocation ... Decr ROM in hip abduction ... Trendelenburg #Gait #pathophysiology ... #causes #symptoms ... signs #diagnosis #msk
Schematic representation of the major sources of ammonia production and its excretory pathway (GI = gastrointestinal,
although hepatic causes ... namely, the many causes ... many non-hepatic causes ... rare): - Reye syndrome ... deficiency #Ammonia #Pathophysiology
Menstrual Cycle Physiology: Ovarian Cycle – Ovulation Explained

Around Day 14, estrogen exerts sudden +++ positive feedback
-> surge in LH production ... and release LH causes ... Increased fluid production ... #OvarianCycle #pathophysiology ... #Ovulation #endocrinology