7 results
Mastoiditis: Pathogenesis and clinical findings

Acute or Chronic Otitis Media -> 
Stage 1: Hyperemeia of the mastoid
into contiguous areas ... postauricular crease ... #Mastoiditis #pathophysiology ... #signs #symptoms ... #diagnosis #otology
Chronic Hypertensive Retinopathy: Pathogenesis and clinical findings

Ophthalmic Artery Hypertension
Stage 1: Mild/vasoconstrictive
 • Acute and chronic vasospasm
white or yellow areas ... around atrophic areas ... #Retinopathy #pathophysiology ... #ophthalmology ... #diagnosis #signs
Age Related Macular Degeneration: Pathogenesis and clinical findings

Photoreceptor atrophy 
-> Extracellular debris (drusen) from RPE atrophy/metabolism
photoreceptors -> Break ... fundoscopy -> New abnormal ... RPE -> Loss of photo ... MacularDegeneration #pathophysiology ... #ophthalmology
Abnormal liver function tests algorithm.
 This figure details the initial response to abnormal liver blood tests.
Abnormal liver function ... tests algorithm ... clinical symptoms/signs ... Areas of diagnostic ... #Algorithm #Hepatology
Lupus (SLE): Mucocutaneous Manifestations

 • Langerhan cells and keratinocytes release cytokines -> localized inflammatory response ->
in sun exposed areas ... keratinocytes but abnormal ... Manifestations #pathophysiology ... #diagnosis #signs
Melanoma tumour progression (based on the Clark model)
 - Benign melanocytic nevi: controlled proliferation of normal
proliferation of normal ... dysplastic nevi: abnormal ... spread to other areas ... #Pathophysiology ... #Oncology #Melanoma
Heat Illnesses and Heat Stroke - Differential Diagnosis Framework

Heat Cramps:
 • Muscle pain or spasm -
on the skin • Areas ... Collapse: • Pathophysiology ... → Syncope • Signs ... - Core temp normal