58 results
Causes of Culture Negative Abscess - Differential Diagnosis Framework
Consider prior antibiotics as a cause of a
Causes of Culture ... Diagnosis Framework ... antibiotics as a cause ... Autoimmune: Crohn's disease ... #Diagnosis #InfectiousDiseases
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Toxoplasmosis (CD4 ... Chorioretinitis • Diagnosis ... • Nocardia • Parasitic ... Lesions #Brain #differential ... #diagnosis #causes
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess - Clinical ... : • CBC - Leukocytosis ... Coccidioides • Parasite ... Lung Abscess Differential ... #causes #management
Syncope is a sudden, transient loss of consciousness, which is thought to be secondary to cerebral
structural heart disease ... syncope (ruling out differential ... further guide management ... orthostatic vital sign ... should be guided by clinical
Portal Hypertension - Differential Diagnosis
Portal Pressure = the pressure difference between the pressure in the portal
Hypertension - Differential ... Diagnosis Portal ... >10 mmHg - clinically ... Veno-occlusive disease ... #Diagnosis #causes
Infectious Causes of Adrenal Insufficiency
Anatomical distribution of vessels to the adrenal makes the gland prone to
disseminated microbial disease ... Pneumocystis Jiroveci • Parasites ... Insufficiency #AI #differential ... #diagnosis #endocrinology ... #infectiousdiseases
Pott's Disease in Tuberculosis - Diagnosis and Management Summary
Epidemiology:
 - Typically from TB endemic areas
 -
Pott's Disease in ... extrapulmonary cases ... Clinical Signs ... years - May have signs ... intervention CMC
Multiple Myeloma Diagnosis and Management Summary
Clinical Signs:
 • hyperCalcemia 28% (bone demineralization)
 • Renal disease 48%
and Management ... Summary Clinical ... Signs: • hyperCalcemia ... demineralization) • Renal disease ... is also >100 CMC
Hemophagocytic Lymphohistiocytosis (HLH)
Pathophysiology: Triggering factor (infection,...)→Activation of CD8 T cells (IFN-y) → Excessive activation of macrophages
→Activation of CD8 ... accumulation of clinical ... Assessment • Clinical ... salmonella, ...), Parasites ... #management #treatment
ANTI-MDA5 DERMATOMYOSITIS

Cutaneous manifestations:
• Periorbital heliotrope (blue-purple) rash with edema
• Erythematous rash on the face, or the
chest (in a V-sign ... Inverse Gottron’s sign ... auricular papules Clinical ... severity of the disease ... #dermatology #diagnosis