17 results
Reversed Halo Sign - Infectious and Non-Infectious Differential Diagnosis
Definition: A focal rounded area of GGO surrounded
Reversed Halo Sign ... Non-Infectious Differential ... granulomatosis, Cryptogenic ... , Pulmonary embolism ... Reverse #Halo #Sign
Venn Diagram - Does this patient have pneumonia?
Diagnosis is generally based on three lines of evidence:
this patient have pneumonia ... infiltrate (e.g., CXR, CT ... symptoms (e.g., ... chest pain) and signs ... #Pneumonia #Venn
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Infections in HIV - Differential ... • CT: Halo sign ... Constitutional symptoms ... Infections #HIV #AIDS #pulmonary ... #differential #
Cryptogenic Organizing Pneumonia - Illness Script

PATHOPHYSIOLOGY: Unknown trigger, reversible inflammatory/fibroproliferative process. Polypoid fibroblastic aggregates that plug
Cryptogenic Organizing ... Males=Females SIGNS ... /SYMPTOMS: • Acute ... #diagnosis #management ... #pulmonary
Reverse Halo Sign
Defined as a central ground class opacity surrounded by a ring of dense consolidation
Differential
Reverse Halo Sign ... disease • Other: Cryptogenic ... organizing pneumonia ... Reverse #Halo #Sign ... #differential #
Pott's Disease in Tuberculosis - Diagnosis and Management Summary
Epidemiology:
 - Typically from TB endemic areas
 -
cases Clinical Signs ... years - May have signs ... pulmonary TB PE ... for concomitant pulmonary ... involvement - CT
Differential diagnosis of the reversed halo sign (RHS). AIA, angioinvasive aspergillosis; AIS, adenocarcinoma in situ; COP,
Differential diagnosis ... reversed halo sign ... in situ; COP, cryptogenic ... ; PZ, pulmonary ... #Diagnosis #Pulmonary
Community Acquired Pneumonia (CAP) - Diagnosis and Management

Pneumonia Signs/Symptoms:
 • Confusion/disorientation (LR + 1.9)
 • Cough
Diagnosis and Management ... Pneumonia Signs ... /Symptoms: • Confusion ... radiograph or CT ... #treatment #Pulmonary
Emphysematous Cystitis
Epidemiology:
 • Usually middle-aged diabetic women
 • Other RF: neurogenic bladder, urinary tract outlet obstruction,
compromise Clinical Signs ... /Symptoms: • Usually ... be present or signs ... clostridium, klebsiella pneumoniae ... , specifically CT
Uncommon Causes of Noncardiogenic Pulmonary Edema (NCPE) - Differential Diagnosis Framework

High Altitude Pulmonary Edema:
 • Accumulation
Edema (NCPE) - Differential ... Traumatic brain injury ... • Signs/Symptoms ... • Signs/Symptoms ... - The classic signs