8 results
Causes of B12 deficiency. 

This great diagram shows normal absorption and outlines most possible causes. At
Causes of B12 deficiency ... most possible causes ... the top is a B12-deficient ... rest involve some mechanism ... #Diagnosis #Pathophysiology
Copper Deficiency - Mechanisms
There are 2 main mechanisms of copper deficiency
Decreased intake from:
 - Gastric bypass,
Copper Deficiency ... - Mechanisms There ... are 2 main mechanisms ... #Causes #differential ... #diagnosis #pathophysiology
TRALI vs TACO - Transfusion Reactions
TRALI:
 • Epidemiology: 0.1% of transfused patientsl
 • Risk factors: Critical
blood donor • Pathophysiology ... : 2 hit mechanism ... without other cause ... transfusion • Pathophysiology ... hematology #diagnosis #comparison
Features of a Sickle Cell Crisis 
Sickle-cell disease - an autosomal recessive blood disorder.
Characterized by red
Crises can be precipitated ... The underlying pathophysiology ... crisis (4 different mechanism ... co-existent G6PD deficiency
Pathogenesis of Select Causes of Constipation in Adults and in Elderly

 • Mechanical (ex. Bowel Obstruction,
Pathogenesis of Select Causes ... Thyroid hormone deficiency ... -> Possible mechanisms ... interaction -> Mechanism ... #constipation #pathophysiology
Menstrual Cycle Physiology: Correlating the Ovarian and Uterine Cycles
Note: Some charts show different relative levels of
puberty (unclear mechanisms ... , progesterone causes ... #OvarianCycle #pathophysiology ... #comparison #endocrinology
Transverse Myelitis Overview

Focal inflammatory disorder of the spinal cord resulting in rapid onset of weakness, sensory
: • 1400 new cases ... monophasic Pathophysiology ... tissue damage Mechanisms ... • Infectious causes ... • Nutritional Deficiency
Fracture Healing (and disruptors of this process)
Inflammatory Stage (0-7d)
 • Fracture disrupts local blood vessels ->
healing time, mechanisms ... Fluoroquinolones - Causes ... - Vitamin D Deficiency ... #msk #Staging #pathophysiology