19 results
Feedback Loop: Prolactin (PRL)
 • PRL levels exhibit diurnal, menstrual, and age-related variation
 • TRH has
Alveolar Cells of Breast ... Prolactin #PRL #FeedbackLoop ... #endocrinology ... #pathophysiology
Breast Discharge - Differential Diagnosis Algorithm
High Prolactin + Normal TSH
 • Microprolactinoma
 • Steroid Hormone Intake
Breast Discharge ... - Differential ... Pregnancy, Breast ... Hypothyroidism #Breast ... Diagnosis #Algorithm #Endocrinology
Hypercalcemia - Differential Diagnosis Algorithm
Elevated PTH (High or normal):
 • Primary Hyperparathyroidism
 • Familial Hypocalciuric Hypercalcemia
Low
Hypercalcemia - Differential ... renal, Bladder, Breast ... Hypercalcemia #Differential ... Algorithm #causes #endocrinology
Non-cirrhotic Hyperammonemia - Differential Diagnosis Framework

Hematologic & Vascular:
 • Multiple myeloma & Acute leukemia (plasma cells
Hyperammonemia - Differential ... Infections: • Urease-producing ... retention Unmasked Urea ... Hyperammonemia #ammonia #Differential ... #Diagnosis #Pathophysiology
Hypercalcemia of Malignancy - Pathophysiology
PTH-mediated
 • Parathyroid cancer
 • Ectopic production: Small cell lung cancer, ovarian
of Malignancy - Pathophysiology ... lung, Renal Cell, Breast ... Hypercalcemia #Malignancy #Pathophysiology ... #Differential #
Pathogenesis and Pathophysiology of Diabetic Ketoacidosis (DKA)

DKA is a result of an absolute or relative insulin
Pathogenesis and Pathophysiology ... act together to break ... Please see details ... #Pathophysiology ... DKA #Diabetes #Endocrinology
Proptosis - Differential Diagnosis - Unilateral vs Bilateral
Unilateral:
 • Infections (can become bilateral with cavernous sinus
Proptosis - Differential ... - Metastatic (breast ... #Proptosis #Differential ... Bilateral #Causes #ophthalmology
Anisocoria - Pupillary Defects - Differential Diagnosis Algorithm

Physiological - Simple Anisocoria ( <O.5mm)
 - Anisocoria equal
Pupillary Defects - Differential ... • Tumor (Lung, Breast ... Pupils #Defects #Differential ... Algorithm #Causes #Ophthalmology
Hypercalcemia - Differential Diagnosis Algorithm
Primary Hyperparathyroidism
 • Adenoma
 • Hyperplasia
 • MEN 1 and 2A
Tertiary Hyperparathyroidism
Hypercalcemia - Differential ... Breast, Kidney, ... Hypercalcemia #Differential ... Diagnosis #Algorithm #Endocrinology
Schematic representation of the major sources of ammonia production and its excretory pathway (GI = gastrointestinal,
- Inherited Urea ... of ammonia: - Urease ... deficiency #Ammonia #Pathophysiology ... Hyperammonemia #Differential