33 results
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess - Diagnosis ... • Most common cause ... Abscess Pathophysiology ... Lung Abscess - Clinical ... #differential #causes
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
- Differential Diagnosis ... Framework Disease ... angioinvasive disease ... factor • May cause ... #differential #diagnosis
Based on the images alone, it is usually not possible to determine the cause of the
determine the cause ... between these chest ... nodular interstitial lung ... disease, that is ... #Clinical #Diagnosis
Causes of Primary and Functional Mitral Regurgitation (MR) 
Causes of primary mitral regurgitation
 - Rheumatic heart
Causes of Primary ... Direct/indirect chest ... of coaptation point ... : Dilated CMP, long-standing ... #Differential #Diagnosis
Rheumatoid arthritis (RA): Extra-articular manifestations
Skin: 
 • Inflammation of skin (esp. over areas of stress) forms
inflammation tends to cause ... interstitial lung ... disease/pulmonary ... RheumatoidArthritis #RA #pathophysiology ... signs #symptoms #diagnosis
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
status NTM Cause ... Advanced HIV (CD4 ... : Clinical Manifestations ... Lung Disease: ... • Clinical (Symptoms
ANTI-MDA5 DERMATOMYOSITIS

Cutaneous manifestations:
• Periorbital heliotrope (blue-purple) rash with edema
• Erythematous rash on the face, or the
or the anterior chest ... auricular papules Clinical ... severity of the disease ... anti-NXP2 Abs Lung ... #dermatology #diagnosis
Hemophagocytic Lymphohistiocytosis (HLH)
Pathophysiology: Triggering factor (infection,...)→Activation of CD8 T cells (IFN-y) → Excessive activation of macrophages
Lymphohistiocytosis (HLH) Pathophysiology ... →Activation of CD8 ... accumulation of clinical ... Assessment • Clinical ... Drugs, Unknown cause
Disseminated Intravascular Coagulation (DIC) Overview

Increased Clotting and Consumption of Clotting Factors

Findings:
 • Bleeding
 • Recent history
protein C and S Pathophysiology ... organ damage Clinical ... • Severe Liver Disease ... #Coagulation #diagnosis ... #causes #treatment
Common Variable Immunodeficiency (CVID)

What?
CVID: Immunodeficiency disorder with hypogammaglobulinemia -> increased infection risk secondary to impaired B-cell
to 8 years Clinical ... • Chronic lung ... lymphocytic interstitial lung ... Chest CT: • Ground-glass ... DDX - Other causes