9 results
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
loss, lethargy, fever ... • CT: Halo sign ... • Fever, weight ... Constitutional symptoms ... Infections #HIV #AIDS #pulmonary
Venn Diagram - Does this patient have pneumonia?
Diagnosis is generally based on three lines of evidence:
this patient have pneumonia ... Inflammation (e.g., fever ... symptoms (e.g., ... chest pain) and signs ... #Pneumonia #Venn
Fever in Returning Travelers from Tropical Regions - Frequent Differential Diagnoses
Medical History:
 • Skin exposure to
infection Cardinal Symptoms ... localizing signs ... or symptoms - Malaria ... Cough, dyspnea - Pneumonia ... melioidosis, typhoid, pulmonary
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
progressing GN • New pulmonary ... Coronary arteries - Fever ... Presentation - Systemic Symptoms ... : • Fevers • ... purpura: strong sign
Bilateral B-Lines in case of Pneumonia on Lung POCUS

Young healthy pt with fever/dyspnea. POCUS lung exam
B-Lines in case of Pneumonia ... healthy pt with fever ... immunosuppression, travel ... /lung sliding: Pulmonary ... partially seen shred sign
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Presentation: Systemic Symptoms ... : • Fevers • Fatigue ... purpura: Strong sign ... and branches • Fever ... • Progressive symptoms
Elevated Lactate Dehydrogenase (LDH) - Differential Diagnosis Framework

LDH is a cytoplasmic enzyme present in tissues throughout
• Pneumocystis pneumonia ... Legionnaires disease • Pulmonary ... myocarditis, rheumatic fever ... tumor burden) Vasculitis ... associated with any symptoms
Cryptogenic Organizing Pneumonia - Illness Script

PATHOPHYSIOLOGY: Unknown trigger, reversible inflammatory/fibroproliferative process. Polypoid fibroblastic aggregates that plug
Males=Females SIGNS ... /SYMPTOMS: • Acute ... misdiagnosed as CAP • Symptoms ... Cough, dyspnea, fever ... diagnosis #management #pulmonary
CNS Infections - Viral Encephalitis and Bacterial Meningitis - Differential Diagnosis Framework

Viral Encephalitis:
MCC: Enteroviruses (e.g., coxsackievirus
Coltivirus Symptoms ... • Headache • Fever ... influenzae Symptoms ... Acute meningeal signs ... (fever, nuchal