11 results
Upper lung zone preference is seen in:
- Inhaled particles: pneumoconiosis (silica or coal)
- Smoking related diseases
Upper lung zone ... - Sarcoidosis Lower ... #HRCT #ChestCT ... #Differential #Table ... #Distribution #Upper
Diffuse Acute Abdominal Pain (<72 hours) - Differential Diagnostic Algorithm
Look for surgical abdomen
Upper quadrant: R/O cardiac,
Diffuse Acute Abdominal ... surgical abdomen Upper ... : R/O cardiac, pulmonary ... musculoskeletal causes ... Lower quadrant
Cystic Lung Disease
Upper Lobe Predominant: 
Langerhans Cell Histiocytosis, Pneumocystis Jiroveci, Hypersensitivity Pneumonitis, Neurofibromatosis Type 1, Paracoccidioidomycosis,
Lung Disease Upper ... Proteus Syndrome Diffuse ... Metastatic Disease Lower ... differential #diagnosis #causes ... #pulmonary
Causes of Acute Dyspnea - Differential Diagnosis Algorithm
Cardiovascular
 • Myocardial Infarction*
 • Cardiac Tamponade*
 • CHF
Pleural
Causes of Acute ... Vascular • Pulmonary ... Embolism* Lower ... Asthma* • AECOPD Upper ... #Causes
Hypoxemia / Hypoxia - Rapid Response Management Algorithm

Stridor - Upper airway pathology:
 • Anaphylaxis
 • Foreign
Response Management Algorithm ... Stridor - Upper ... Air Movement - Lower ... pathology: • Blood: diffuse ... #rapid #pulmonary
Causes of Dysuria - Differential Diagnosis Algorithm
Pyuria - Leukocytes on Dipstick/Microscopy
 - Bacteriuria & Hematuria -
Differential Diagnosis Algorithm ... • Upper ... • Lower ... Neoplasm - Non-Pathogenic ... #Causes
Basic Interpretation
A structured approach to interpretation of HRCT involves the following questions:
What is the dominant HR-pattern:
reticular
nodular
high
interpretation of HRCT ... random) Is there an upper ... versus lower zone ... Diagnosis #Radiology #Pulmonary ... Interpretation #Algorithm
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
Unknown • 6-7 cases ... , cavities • HRCT ... peripheries and lower ... lymphoma, Diffuse ... Pneumonia #COP #BOOP #pulmonary
Localized Acute Abdominal Pain(<72 hours) - Differential Diagnostic Algorithm
Look for surgical abdomen
Upper quadrant: R/O cardiac, pulmonary,
Differential Diagnostic Algorithm ... : R/O cardiac, pulmonary ... musculoskeletal causes ... genitourinary causes ... Differential #Diagnosis #Algorithm
On the left a typical case of panlobular emphysema.
There is uniform destruction of the underlying architecture
left a typical case ... Pulmonary vessels ... Panlobular emphysema is diffuse ... severe in the lower ... difficult to detect on HRCT