320 results
Hypogonadism Differential Diagnosis Algorithm
 • Low testosterone, Normal or low LH, Normal or low FSH -
Normal or low FSH ... Normal LH, Normal FSH ... Normal LH, Elevated FSH ... Elevated LH, Elevated FSH ... #Testosterone #endocrinology
Menstrual Cycle Physiology: Ovarian Cycle – Brief Overview
LH and FSH are required for follicular development and
Overview LH and FSH ... follicle - FSH ... produced -> Inhibit FSH ... #menstruation #endocrinology
Menstrual Cycle Physiology: Ovarian Cycle – Follicular Phase Explained
Early Follicular Phase (Days 0-5)
 • Granulosa cells
hormone that 1) Incr FSH ... pituitary, 2) Incr FSH ... Resulting high FSH ... responsive to FSH ... FollicularPhase #endocrinology
Sellar / Pituitary Mass - Differential Diagnosis Algorithm
Adenoma - Primary Anterior Pituitary
 - Secreting
TSH • LH/FSH ... Diagnosis #Algorithm #endocrinology
Amenorrhea - Differential Diagnosis Algorithm
Elevated FSH
 • Premature Ovarian Failure
 • Menopa use
 • Spontaneous
Bleed With
Algorithm Elevated FSH ... Diagnosis #Algorithm #endocrinology
Feedback Loop: Prolactin (PRL)
 • PRL levels exhibit diurnal, menstrual, and age-related variation
 • TRH has
secretion -> Decr FSH ... #FeedbackLoop #endocrinology
Menstrual Cycle Physiology: Ovarian Cycle – Luteal Phase Explained
 • The LH surge can be thought
Production of GnRH, FSH ... • Decreased FSH ... allowing GnRH/FSH ... #LutealPhase #endocrinology
Menstrual Cycle Physiology: The Hypothalamic-Pituitary-Ovarian Axis
Estrogen, when released:
 • Negatively feeds back on the hypothalamus and
pituitary to Decreased FSH ... HypothalamicPituitary #endocrinology
Bilateral Winged Scapula on Physical Exam - Seen in Facioscapulohumeral Muscular Dystrophy (FSH, FSHD)

#Bilateral #Winged #Scapula
Muscular Dystrophy (FSH ... , FSHD) #Bilateral ... Muscular #Dystrophy #FSH ... #FSHD #clinical
Pituitary Mass Effects - Pathogenesis and Clinical Findings
 • Pituitary turnors are almost always a benign
order; GH, LH, FSH ... #SideEffects #endocrinology