54 results
Central Retinal Vein Occlusion (CRVO): Pathogenesis and clinical findings

#CentralRetinalVein #Occlusion #CRVO #pathophysiology #ophthalmology #diagnosis #signs #symptoms
Occlusion #CRVO #pathophysiology ... #ophthalmology ... diagnosis #signs #symptoms
Non-cirrhotic Hyperammonemia - Differential Diagnosis Framework

Hematologic & Vascular:
 • Multiple myeloma & Acute leukemia (plasma cells
Hyperammonemia - Differential ... Infections: • Urease-producing ... retention Unmasked Urea ... Hyperammonemia #ammonia #Differential ... #Diagnosis #Pathophysiology
Aphasia - Pathophysiology and Clinical Findings
Broca's Aphasia - Expressive language impairment: non-Fluent
 - Sensory speech areas
Aphasia - Pathophysiology ... Sensory speech areas ... of nearby motor areas ... deficits #Aphasia #Pathophysiology ... diagnosis #signs #symptoms
Thiazide induced Hyponatremia - Pathophysiology
 • Reduced distal delivery
 • Inhibition of the NCC (dilution capcity)-
Hyponatremia - Pathophysiology ... mechanism • Reduced urea ... #Hyponatremia #Pathophysiology ... #diagnosis #differential
Schematic representation of the major sources of ammonia production and its excretory pathway (GI = gastrointestinal,
- Inherited Urea ... of ammonia: - Urease ... deficiency #Ammonia #Pathophysiology ... Hyperammonemia #Differential
Hypercalcemia of Malignancy - Pathophysiology
PTH-mediated
 • Parathyroid cancer
 • Ectopic production: Small cell lung cancer, ovarian
of Malignancy - Pathophysiology ... lung, Renal Cell, Breast ... Hypercalcemia #Malignancy #Pathophysiology ... #Differential #
Retinoblastoma: Pathogenesis and clinical findings
 • Sporadic mutation -> One allele of RB1 tumor suppressor gene
Retinoblastoma Signs / Symptoms ... Retinoblastoma #pathophysiology ... #ophthalmology ... diagnosis #signs #symptoms
Meralgia paresthetica: Pathogenesis and Clinical Findings
Compression/injury of Lateral Femoral Cutaneous Nerve (LFCN) -> Meralgia paresthetica
 •
paresthetica • Symptoms ... 3-6 months of symptom ... mass Sensory Symptoms ... MeralgiaParesthetica #MSK #pathophysiology ... #differential #
Proptosis - Differential Diagnosis - Unilateral vs Bilateral
Unilateral:
 • Infections (can become bilateral with cavernous sinus
Proptosis - Differential ... - Metastatic (breast ... #Proptosis #Differential ... Bilateral #Causes #ophthalmology
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 #symptoms