16 results
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
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
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
The diagonal crease in the lobe of the ear (Frank's sign) is a sign theoretically related
The diagonal crease ... : 17891926 #PhysicalExam ... Earlobe #Clinical #Photo
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
Age Related Macular Degeneration: Pathogenesis and clinical findings

Photoreceptor atrophy 
-> Extracellular debris (drusen) from RPE atrophy/metabolism
photoreceptors -> Break ... RPE -> Loss of photo ... MacularDegeneration #pathophysiology ... #ophthalmology
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Petechial Rash - Differential ... Algorithm Pinpoint areas ... Petechiae #Rash #Differential ... #dermatology #physicalexam