21 results
Non-cirrhotic Hyperammonemia - Differential Diagnosis Framework

Hematologic & Vascular:
 • Multiple myeloma & Acute leukemia (plasma cells
Non-cirrhotic Hyperammonemia ... - Differential ... Infections: • Urease-producing ... #ammonia #Differential ... #Diagnosis #Pathophysiology
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 #
Proptosis - Differential Diagnosis - Unilateral vs Bilateral
Unilateral:
 • Infections (can become bilateral with cavernous sinus
Proptosis - Differential ... - Metastatic (breast ... #Proptosis #Differential ... Bilateral #Causes #ophthalmology
Anisocoria - Pupillary Defects - Differential Diagnosis Algorithm

Physiological - Simple Anisocoria ( <O.5mm)
 - Anisocoria equal
Pupillary Defects - Differential ... • Tumor (Lung, Breast ... Pupils #Defects #Differential ... Algorithm #Causes #Ophthalmology
Common Dermatological Conditions - Distribution and Morphology
 • Acne vulgaris - Face, upper back, chest -
eyebrows, perinasal areas ... Erythema with greasy ... - Sun-exposed areas ... with adherent, greasy ... Erythematous macerated areas
Radiologists use many terms to describe areas of decreased density or lucencies within the lung, like
terms to describe areas ... we describe a chest ... is to describe areas ... #CXR #Lucency #Differential
Diabetic Retinopathy: Pathogenesis and clinical findings

Mild Non-proliferative DR
 • Outpouchings of the weakened capillary walls or
Hemorrhages • Focal areas ... Retinopathy #Diabetes #ophthalmology ... complications #pathophysiology
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
Eczematous Skin Rash - Differential Diagnosis Algorithm
Eczematous - Pruritic/Scaly/Erythematous lesions. Usually poorly demarcated
 • Atopic Dermatitis
Eczematous Skin Rash - Differential ... Yellowish-red plaques with greasy ... scalp/face/central chest ... #dermatology #Differential