10 results
Steroid Synthesis Pathway

Dr. Caoimhe Costigan @CaoimheCostigan

#Steroid #Synthesis #pathophysiology #algorithm #endocrinology
Steroid Synthesis ... CaoimheCostigan #Steroid #Synthesis ... #pathophysiology ... #algorithm #endocrinology
Steroid Synthesis Pathway

(OH, hydroxy; HSD, hydroxysteroid dehydrogenase; DHEA, dehydroepiandrosterone; pink, common enzymes affecting CAH, purple –
Steroid Synthesis ... CaoimheCostigan #Steroid #Synthesis ... Pathway #metabolism #pathophysiology ... #endocrinology
Insulin and Glucagon Pathophysiology
Insulin: 
 • Glucose utilization (Glycolysis)
 • Glucose storage (Glycogenesis)
 • Fat synthesis
Insulin and Glucagon Pathophysiology ... Glycogenesis) • Fat synthesis ... Actions: • Glucose synthesis ... Insulin #Glucagon #Pathophysiology ... #endocrinology
Vitamin D Metabolism
Fat-soluble vitamin
Sources: dermal synthesis and food (dairy products, fish)
Active form: calcitriol (1,25-OH Vitamin D)
Main
Sources: dermal synthesis ... VitaminD #Metabolism #endocrinology ... #pathophysiology
Infographic depicting the main pearls of various types of congenital adrenal hyperplasia for the medical student.
#CAH #algorithm ... treatment #Peds #Endocrinology ... #Adrenal #pathophysiology
Feedback Loop: Growth Hormone (GH)
Growth Hormone:
 • Liver -> GHR activates JAK-STAT pathway -> Incr IGF1
expression/protein synthesis ... #FeedbackLoop #endocrinology ... #pathophysiology
Calcium homeostasis is a process controlled by chiefly by hormones vitamin D and PTH. 
Vitamin D
circulation via synthesis ... #Pathophysiology ... #Endocrinology
Cushing Syndrome Testing Algorithm
INDICATIONS FOR TESTING:
 • Suspected Cushing syndrome (central obesity, muscle weakness, refractory hypertension)
Testing:
Syndrome Testing Algorithm ... Urine Free by LC-MS ... /MS) • Adrenocorticotropic ... Syndrome #diagnosis #algorithm ... #endocrinology
Refeeding Syndrome: Pathogenesis and clinical findings

Patients at Risk of Refeeding Syndrome:
 - Little or no nutritional
Death • Incr synthesis ... Constipation - MSK ... Syndrome #diagnosis #pathophysiology
Lymphomas and Lymphoproliferative Disorders - Differential Diagnosis Algorithm
Hodgkin Lymphoma ~40% - Characteristic For Reed-Sternberg (RS) Cells
Differential Diagnosis Algorithm ... Amy Chung, MD, MSc ... Classification #pathophysiology ... #differential #algorithm