31 results
Reversed Halo Sign - Infectious and Non-Infectious Differential Diagnosis
Definition: A focal rounded area of GGO surrounded
Reversed Halo Sign ... Differential Diagnosis ... Dermatomyositis, Lung ... Reverse #Halo #Sign ... #Differential #
Opportunistic Infections in HIV/AIDS
Here's a little symptom-based guide to OIs in pts with HIV I made
Opportunistic Infections ... Changes - Neuro Deficits ... Hemoptysis - Pulmonary ... Opportunistic #Infections ... Guide #Symptoms #Signs
Cytomegalovirus (CMV) in HIV-AIDS Patients
Cytomegalovirus (CMV): double-stranded DNA virus, herpesvirus family.
CMV infection: virus isolation or detection
of symptoms or signs ... 50 or less: • Neurologic ... Pancreatitis • Pulmonary ... AIDS #diagnosis #differential ... #signs #symptoms
Anaplasma Infection - Anaplasma phagocytophilum
Pathophysiology: 
 • Obligate, intracellular bacteria
 • Transmitted via blacklegged tick —
Anaplasma Infection ... phagocytophilum Pathophysiology ... scapularis • Infects ... within morulae Signs ... myalgias, shaking chills
Approach to Headaches - Differential Diagnosis Algorithm

Red flags (PHANTOMS):
 • Pattern change, progressively worse, papilledema
 •
history of cancer, HIV ... • Neurological deficits ... • Meningeal signs ... Systemic symptoms and signs ... lesion • CNS infection
Fever in Returning Travelers from Tropical Regions - Frequent Differential Diagnoses
Medical History:
 • Skin exposure to
Regions - Frequent Differential ... without localizing signs ... melioidosis, typhoid, pulmonary ... eosinophilia - Tropical pulmonary ... Returning #Traveler #differential
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
Fevers and/or chills ... Nasal polyps and signs ... in the adjacent lung ... , CCP, ANCA • HIV ... #differential #
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Lung Infections ... in HIV - Differential ... • CT: Halo sign ... #Infections #HIV ... #AIDS #pulmonary
Bilateral B-Lines in case of Pneumonia on Lung POCUS

Young healthy pt with fever/dyspnea. POCUS lung exam
POCUS lung exam ... Differential Bilat ... : Pulmonary edema ... interstitial diffuse infections ... partially seen shred sign
Uncommon Causes of Noncardiogenic Pulmonary Edema (NCPE) - Differential Diagnosis Framework

High Altitude Pulmonary Edema:
 • Accumulation
Edema (NCPE) - Differential ... blood cells in the lung ... • Signs/Symptoms ... • Signs/Symptoms ... - The classic signs