52 results
Psittacosis 
Pathogen: Chlamydia psittaci - obligate intracellular gram negative
Transmission:
 • Birds are the primary reservoir
 •
hemoptysis, diarrhea Diagnosis ... is discouraged (danger ... #microbiology #diagnosis ... management #treatment #infectiousdiseases
CREST Syndrome: Pathogenesis and Clinical Findings

CALCINOSIS (BB-sized, hard nodules in fingers)
RAYNAUD'S Phenomenon
ESOPHAGEAL DYSMOTILITY
SCLERODACTYLY (thickening and tightening
hard nodules in fingers ... CREST #Syndrome #Pathophysiology ... #Diagnosis #Signs
Hyperparathyroidism - Primary vs Secondary vs Tertiary 
Lab Comparison:
 • Primary Hyperparathyroidism: ↑→PTH, ↑Calcium, ↑Vitamin D,
Alteration in hunger ... Hyperparathyroidism #diagnosis ... Secondary #Tertiary #pathophysiology
Diabetic Retinopathy: Pathogenesis and clinical findings

Mild Non-proliferative DR
 • Outpouchings of the weakened capillary walls or
Exudates • Nerve fiber ... of VEGF causing fine ... ophthalmology #diagnosis ... complications #pathophysiology
Leishmaniasis Life Cycle
1) Sandfly takes a blood meal (injects promastigote stage into the skin)
Human Stages:
2) Promastigotes
Leishmaniasis #LifeCycle #diagnosis ... #pathophysiology ... #infectiousdiseases
Chronic Hypertensive Retinopathy: Pathogenesis and clinical findings

Ophthalmic Artery Hypertension
Stage 1: Mild/vasoconstrictive
 • Acute and chronic vasospasm
hemorrhages in the inner ... lesions in the inner ... retinal nerve fiber ... #Retinopathy #pathophysiology ... ophthalmology #diagnosis
Rigors And Bacteremia - Overview

• Rigors are a response to the release of cytokines and prostaglandins
PATHOPHYSIOLOGY: ... Rigors #Bacteremia #Pathophysiology ... #InfectiousDiseases ... #Diagnosis
Echinococcus Life Cycle
1) Adult in small intestine eggs
2) Embryonated egg in feces
3) Oncosphere hatches; penetrates intestinal
Echinococcus #LifeCycle #diagnosis ... #pathophysiology ... #infectiousdiseases
Periorbital Cellulitis: Pathogenesis and Clinical Findings
Definitions:
a. Dacryoadenitis: infection of the lacrimal glands
b. Conjunctivitis: inflammation of the
hordeolums that are no longer ... presentation is no longer ... Periorbital #Cellulitis #pathophysiology ... ophthalmology #diagnosis
Diffuse Systemic Sclerosis (Scleroderma)
 - Pulmonary Fibrosis -> Crackles, Abnormal CXR
 - Pulmonary Hypertension, Right Heart
) - Finger/hand ... there -> Blue fingers ... and bushy - Finger ... #Scleroderma #pathophysiology ... signs #symptoms #diagnosis