17 results
Reversed Halo Sign - Infectious and Non-Infectious Differential Diagnosis
Definition: A focal rounded area of GGO surrounded
Reversed Halo Sign ... Differential Diagnosis ... , Pulmonary embolism ... #Sign #Infectious ... #Diagnosis #pulmonary
Etiologies of pulmonary infections according to CT-scan patterns. 
CMV cytomegalovirus, GM galactomannan, HSV herpes simplex virus,
Etiologies of pulmonary ... infections according ... #CT #Patterns #Pulmonary ... #Lung #Infections ... ComputedTomography #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 ... #HIV #AIDS #pulmonary ... #differential #
Non-Resolving Pneumonias: Etiologies
Unusual Infections:
 - Immunocompromised patients (e.g.: Mycobacterium, Aspergillosis, Nocardia)
 - Endemic Fungi (e.g.: Histoplasmosis,
Non-Resolving Pneumonias ... Etiologies Unusual Infections ... pseudomallei, hanta virus ... #NonResolving #Pneumonia ... #differential
Fever in Returning Travelers from Tropical Regions - Frequent Differential Diagnoses
Medical History:
 • Skin exposure to
Regions - Frequent Differential ... without localizing signs ... Cough, dyspnea - Pneumonia ... melioidosis, typhoid, pulmonary ... eosinophilia - Tropical pulmonary
Reverse Halo Sign
Defined as a central ground class opacity surrounded by a ring of dense consolidation
Differential
Reverse Halo Sign ... consolidation Differential ... Diagnosis: • Infection ... Cryptogenic organizing pneumonia ... #Sign #differential
Causes of Sudden Unexpected Death in Infancy (SUDI) - Differential Diagnosis Algorithm
Congenital Anomaly / Disorder:
 •
Infancy (SUDI) - Differential ... Neurologic Anomaly • Pulmonary ... : • Severe Pneumonia ... Gastrointestinal infection ... Algorithm #Causes #Peds
Differential diagnosis of the reversed halo sign (RHS). AIA, angioinvasive aspergillosis; AIS, adenocarcinoma in situ; COP,
Differential diagnosis ... of the reversed halo ... sign (RHS). ... ; PZ, pulmonary ... hypersensitivity pneumonitis, infection
Acute Otitis Media: Pathogenesis and Clinical Findings (in Children)
Upper Respiratory Tract Infection: 
 - Bacterial: Streptococcus
Respiratory Tract Infection ... Streptococcus pneumoniae ... #OtitisMedia #pathophysiology ... diagnosis #symptoms #signs ... #peds #pediatrics
Childhood Immunization Schedule: Why we immunize
 • Diphtheria Toxin -> URT inflammation causes pseudomembrane with hardened
invasion via URT infection ... and hematologic infection ... cause widespread infection ... #Immunization #peds ... #pediatrics #pathophysiology