13 results
Menstrual Cycle Physiology: Ovarian Cycle – Ovulation Explained

Around Day 14, estrogen exerts sudden +++ positive feedback
exerts sudden +++ positive ... from negative to positive ... and release LH causes ... #OvarianCycle #pathophysiology ... #Ovulation #endocrinology
Diabetic Retinopathy: Pathogenesis and clinical findings

Mild Non-proliferative DR
 • Outpouchings of the weakened capillary walls or
retinal layers -> Dot ... retinal ischemia causes ... Retinopathy #Diabetes #ophthalmology ... #diagnosis #complications ... #pathophysiology
Chronic Hypertensive Retinopathy: Pathogenesis and clinical findings

Ophthalmic Artery Hypertension
Stage 1: Mild/vasoconstrictive
 • Acute and chronic vasospasm
hyalinization causes ... dot/blot hemorrhages ... #Retinopathy #pathophysiology ... #ophthalmology ... signs #symptoms #complications
Diabetic Ketoacidosis (DKA) - Pathogenesis and Clinical Findings
 • Note: in DKA, body K+ is lost
out of cells may cause ... Signs/Symptoms/Complications ... Abdominal pain, nausea ... DiabeticKetoacidosis #DKA #pathophysiology ... #endocrinology
Widened Pulse Pressure - Differential Diagnosis and Pathophysiology

Pulse pressure is the difference between the systolic blood
Diagnosis and Pathophysiology ... Physiologic Causes ... • Sepsis Complications ... significantly positive ... Differential #Diagnosis #Pathophysiology
Pituitary Mass Effects - Pathogenesis and Clinical Findings
 • Pituitary turnors are almost always a benign
For pituitary masses ... Signs / Symptoms / Complications ... Headaches • Nausea ... #SideEffects #endocrinology ... mnemonic #GLFTAP #pathophysiology
21-Hydroxylase Deficiency (21-OHD): Pathogenesis and Clinical Findings
Autosomal recessive mutation in CYP21A2 coding for the enzyme 21-OHase
enzyme 21-OHase causes ... Signs/Symptoms/Complications ... #21HydroxylaseDeficiency #21OHD #pathophysiology ... #genetics #endocrinology
Acute Closed Angle Glaucoma: Pathogenesis and Clinical Findings
OPHTHALMIC EMERGENCY: Early detection is essential, but most patients
• Significant cause ... most frequent cause ... Signs / Symptoms / Complications ... ClosedAngle #Glaucoma #pathophysiology ... #ophthalmology
Endocarditis Summary

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV substance use
• IV catheter
• Recent
Blood cultures are positive ... Septic Emboli Cause ... Treat underlying cause ... + Systemic anticoagulation ... destructive lesion • Complications
Giant cell arteritis (GCA)

Giant cell arteritis (GCA) definition: Most common systemic inflammatory vasculitis in older adults
and ophthalmic complications ... identifies 85 to 95% of cases ... Biopsies remain positive ... required +/- prompt ophthalmology