959 results
Mechanism of Action of Bile Acid Sequestrants
Bile Acid Sequestrants → ↓ Hepatic Bile Acid Pool →
HMG-CoA Reductase Expression ... sequestration #pathophysiology
Giant Cell (Temporal) Arteritis: Pathogenesis and investigations
Risk Factors:
 - Unclear environmental triggers (may be viral, not
inflammatory cytokine expression ... Temporal #Arteritis #Pathophysiology
Glucocorticoid-Induced Osteoporosis: Pathogenesis and Clinical Findings

 • Negative feedback on hypothalamus/pituitary, Decreasing ACTH -> Decr Sex
Upregulate gene expression ... #Osteoporosis #pathophysiology
Feedback Loop: Growth Hormone (GH)
Growth Hormone:
 • Liver -> GHR activates JAK-STAT pathway -> Incr IGF1
pathway -> Incr gene expression ... endocrinology #pathophysiology
Xeropthalmia: Pathogenesis and Ocular Manifestations

Decr Visual pigment -> Keratinization, thickening & non-wetting of the conjunctiva
& Decr surface expression ... #Xeropthalmia #pathophysiology
Pediatric Parasomnias and Nightmares: Pathogenesis and clinical findings

Parasomnias - Micro-arousal episodes during SWS ->
Intense activation of
Fearful facial expression ... Pediatrics #Peds #pathophysiology
Aphasia - Pathophysiology and Clinical Findings
Broca's Aphasia - Expressive language impairment: non-Fluent
 - Sensory speech areas
Aphasia - Pathophysiology ... Broca's Aphasia - Expressive ... deficits #Aphasia #Pathophysiology
ACEi/ARBs in COVID-19: Beneficial, Bad, or Benign?
Preclinical studies suggest ACEi/ARB use increases ACE2 expression, raising concern
increases ACE2 expression ... #Coronavirus #Pathophysiology
Schizophrenia: Pathogenesis and Symptoms
Increased dopaminergic transmission in mesolimbic projection
-> Dopaminergic neurons here project into the limbic
Diminished emotional expression ... Schizophrenia #pathophysiology
Major Physiological Effects of Angiotensin II

Altered Peripheral Resistance
I. Direct vasoconstriction
II. Enhancement of peripheral noradrenergic
neurotransmission:
  A.
Increased expression ... AngiotensinII #Pathophysiology