20 results
Steroid Synthesis Pathway

Dr. Caoimhe Costigan @CaoimheCostigan

#Steroid #Synthesis #pathophysiology #algorithm #endocrinology
Steroid #Synthesis #pathophysiology ... #algorithm #endocrinology
Infographic depicting the main pearls of various types of congenital adrenal hyperplasia for the medical student.
#CAH #algorithm ... treatment #Peds #Endocrinology ... #Adrenal #pathophysiology
Pathophysiology of Diabetic Ketoacidosis (DKA) and Hyperglycemic Hyperosmolar Syndrome (HHS)
Absolute Insulin deficit:
 - Type I DM:
Pathophysiology ... - inadequate production ... #dka #hhs #pathophysiology ... #comparison #endocrinology
Breast Discharge - Differential Diagnosis Algorithm
High Prolactin + Normal TSH
 • Microprolactinoma
 • Steroid Hormone Intake
Differential Diagnosis Algorithm ... Lesion Autonomous Production ... Differential #Diagnosis #Algorithm ... #Endocrinology
Causes of Hypokalemia - Differential Diagnosis Algorithm
Increased Loss 
 - Increased GI Loss
 - Increased Urinary
Differential Diagnosis Algorithm ... Increased Cell Production ... Differential #Diagnosis #Algorithm ... potassium #low #pathophysiology
Hyperuricemia - Differential Diagnosis Algorithm
Primary - Over-production
     • Increased turnover of nucleotides
Primary
Differential Diagnosis Algorithm ... Primary - Over-production ... Secondary - Over-production ... Differential #Diagnosis #Algorithm ... #endocrinology
Primary Hyperthyroidism - Pathogenesis and Clinical Findings

Note: Although rare, gestational diseases can lead to thyrotoxicosis due
to excess TSH production ... Hyperthyroidism #endocrinology ... #pathophysiology
Feedback Loop: Prolactin (PRL)
 • PRL levels exhibit diurnal, menstrual, and age-related variation
 • TRH has
Ducts -> Milk production ... #FeedbackLoop #endocrinology ... #pathophysiology
Menstrual Cycle Physiology: The Hypothalamic-Pituitary-Ovarian Axis
Estrogen, when released:
 • Negatively feeds back on the hypothalamus and
Decreased FSH production ... to Increased LH production ... MenstrualCycle #pathophysiology ... HypothalamicPituitary #endocrinology
Menstrual Cycle Physiology: Ovarian Cycle – Ovulation Explained

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