212 results
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
Triquetral Fracture ... The triquetrum ... fractured carpal bone ... common carpal bone ... #Triquetrum #Fracture
Parathyroid Hormone (PTH) Effect in Calcium and Phosphorus
Calcium - Net Effect Hypercalcemia:
   ↑ intestinal
absorption ↑ bone ... Hypophosphatemia: ↑ bone ... Calcium #Phosphorus #pathophysiology ... #endocrinology
Most Common Carpal Bone Fractures by Frequency
 • Scaphoid - 50-80%
 • Triquetral - 5-20%
 •
Common Carpal Bone ... Scaphoid - 50-80% • Triquetral ... drdevrad #Carpal #Bone
Diabetes Pathophysiology and Medication Targets

The ominous octet is one concept that summarizes the different pathophysiologic pathways
Diabetes Pathophysiology ... ominous octet is one ... the different pathophysiologic ... #Diabetes #Pathophysiology ... Targets #Drug #Endocrinology
Ossification of Carpal Bones

It’s always tricky to remember the age of ossification of the carpal bones
they get the job done ... at the carpal bones ... capitate is the first bone ... -6-7 years for Triquetral ... Ossification #Carpal #Bones
Hyperparathyroidism - Primary vs Secondary vs Tertiary 
Lab Comparison:
 • Primary Hyperparathyroidism: ↑→PTH, ↑Calcium, ↑Vitamin D,
signs, Fragile bones ... easily/weakness, Bone ... Hyperparathyroidism #diagnosis #endocrinology ... Secondary #Tertiary #pathophysiology
Rheumatoid arthritis (RA): X-ray features
 • Soft tissue swelling (best seen by comparing left & right
Narrowing • Bony ... the articular bone ... Peri-articular osteopenia (bones ... Radiology #Clinical #Pathophysiology
Rachitic Rosary of Rickets on Physical Exam

Bead-like prominences of bone are seen at the costochondral joints.
prominences of bone ... Rosary #Rickets #PhysicalExam ... VitaminD #deficiency #endocrinology
Hypercalcemia - Differential Diagnosis Algorithm
Elevated PTH (High or normal):
 • Primary Hyperparathyroidism
 • Familial Hypocalciuric Hypercalcemia
Low
Miscellaneous - Bone ... Hyperthyroid, Bony ... Algorithm #causes #endocrinology
Stress Fracture: Pathogenesis and clinical findings
Abnormal biomechanics, Repetitive impact activities
=> Repetitive subthreshold mechanical loading
=> Bone strain
=>
mechanical loading => Bone ... strain => Bone ... #orthopedics #pathophysiology