128 results
Diagnosis of Primary Amenorrhea
A diagnostic approach to primary amenorrhea. (FSH = follicle-stimulating hormone; LH = luteinizing
follicle-stimulating hormone ... = luteinizing hormone ... thyroid-stimulating hormone ... Primary #Amenorrhea #Differential
A diagnostic approach to secondary amenorrhea. (DHEA-S = dehydroepiandrosterone sulfate; FSH = follicle-stimulating hormone; LH =
follicle-stimulating hormone ... = luteinizing hormone ... thyroid-stimulating hormone ... Secondary #Amenorrhea #Differential
Hypocalcemia Laboratory Evaluation

Serum levels of PTH, phosphorus, 25-hydroxyvitamin D, and 1,25-dihydroxyvitamin D can help differentiate between
dihydroxyvitamin D can help differentiate ... - Parathyroid hormone ... Endocrinology #Differential
Hypocalcemia Evaluation Algorithm 

(PTH = parathyroid hormone.)

#Hypocalcemia #Evaluation #Algorithm #Diagnosis #Differential
= parathyroid hormone ... Algorithm #Diagnosis #Differential
Differentiation of Causes of Hyperthyroidism According to Pattern of Radionucleotide Uptake
Reduced uptake:
 • Thyroiditis
 • Exogenous
Ectopic thyroid hormone ... thyroid-stimulating hormone ... radionuclide #uptake #differential
Hormonal Contraceptive Patches - Twirla vs Xulane

#patches #contraceptive #contraception #obgyn #gynecology #comparison #Twirla #Xulane #pharmacology
Hormonal Contraceptive ... obgyn #gynecology #comparison
Thyroid Disorders - Differential Diagnosis Algorithm
Hypothyroidism:
 • Hasimoto’s
 • Radioactive Iodine 
 • Hypopituitarism
 • Iodine
Thyroid Disorders - Differential ... • Exogenous Hormone ... Thyroid #Disorders #Differential
Mechanism of malignancy-associated hypercalcemia. Abbreviations: 1,25(OH)2D, 1,25-dihydroxyvitamin D; NHL, non-Hodgkin lymphoma; PTH, parathyroid hormone; PTHrP, PTH-related
PTH, parathyroid hormone ... Mechanism #Frequency #Differential
Hypercalcemia Workup and Differential Diagnosis Framework
1) Determine whether PTH-dependent
2) Assess for other hormonal causes
3) Assess for
Hypercalcemia Workup and Differential ... Assess for other hormonal ... Assess for non-hormonal ... Hypercalcemia #Workup #Differential
Causes of Abnormal Uterine Bleeding

Non-pregnant bleeding that is inegular in timing, frequency, or flow 

Mnemonic: PALM-COEIN
Iatrogenic - Hormonal ... contraceptive use - Hormone ... Obstetrics #Gynecology #Differential