The Calgary Guide to Understanding Disease @TheCalgaryGuide
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Post-Traumatic Stress Disorder (PTSD)
Neurochemical abnormalities
 • Hyper-vigilance
 • Emotional hyper-arousal
 • Exaggerated startle reflex
 • Anxiety
StressDisorder #PTSD #BehavioralDisorder ... #Pathophysiology
Menstrual Cycle Physiology: Ovarian Cycle – Brief Overview
LH and FSH are required for follicular development and
MenstrualCycle #OvarianCycle ... #pathophysiology
Menstrual Cycle Physiology: Ovarian Cycle – Ovulation Explained

Around Day 14, estrogen exerts sudden +++ positive feedback
MenstrualCycle #OvarianCycle ... #pathophysiology
Central Retinal Vein Occlusion (CRVO): Pathogenesis and clinical findings

#CentralRetinalVein #Occlusion #CRVO #pathophysiology #ophthalmology #diagnosis #signs #symptoms
Occlusion #CRVO #pathophysiology ... #ophthalmology
Menstrual Cycle Physiology: Ovarian Cycle – Luteal Phase Explained
 • The LH surge can be thought
MenstrualCycle #OvarianCycle ... #pathophysiology
Amblyopia ("Lazy Eye"): Pathogenesis and clinical findings
Amblyopia => 
Interruption of visual stimulation during childhood visual development
Amblyopia #LazyEye #pathophysiology ... #ophthalmology
Attention Deficit Hyperactive Disorder (ADHD): Pathogenesis and clinical findings
 - For diagnosis, must have either 26
AttentionDeficitHyperactiveDisorder #ADHD #BehavioralDisorder ... #Pathophysiology
Posterior Vitreous Detachment: Pathogenesis and clinical findings

Separation of the cortical vitreous from the neurosensory retina posterior
Vitreous #Detachment #pathophysiology ... #ophthalmology
Retinoblastoma: Pathogenesis and clinical findings
 • Sporadic mutation -> One allele of RB1 tumor suppressor gene
Retinoblastoma #pathophysiology ... #ophthalmology
Onchocerciasis “River Blindness”: Pathogenesis and Ocular Manifestations
Vectorial Transmission
-> Onchocerca volvulus, a parasitic helminth, matures in to
RiverBlindness #pathophysiology ... #ophthalmology