15 results
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
- Differential Diagnosis ... : • 3 syndromes ... • CT: Halo sign ... of a "flu-like syndrome ... factor • May cause
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess - Diagnosis ... • Most common cause ... Blood cultures • CXR ... early disease) • CXR ... seen • Chest CT
Acute Respiratory Distress Syndrome – ARDS: Clinical Cheat Sheet

An acute diffuse, inflammatory lung injury, leading to
Respiratory Distress Syndrome ... be detected on CT ... or CXR ● PaO2/ ... oxygenation in pneumonia ... Summary #CheatSheet #Diagnosis
Causes of Gallbladder Wall Thickening - Differential Diagnosis
 • Physiologic: Contracted gall bladder in a non-fasting
Causes of Gallbladder ... heart failure, Liver ... cirrhosis, Nephrotic syndrome ... #radiology #POCUS ... #ultrasound
Fever Patterns - Differential Diagnosis Framework

Continuous Fever:
Temp > 38°C with only 1 degree fluctuation in 24
Differential Diagnosis ... Non-Infectious Causes ... Brucellosis • Liver ... or lung abscess ... #Differential #Diagnosis
Based on the images alone, it is usually not possible to determine the cause of the
determine the cause ... Lobar pneumonia ... nodular interstitial lung ... #Clinical #Diagnosis ... #Radiology #CXR
Common Variable Immunodeficiency (CVID)

What?
CVID: Immunodeficiency disorder with hypogammaglobulinemia -> increased infection risk secondary to impaired B-cell
• Chronic lung ... disease • Liver ... Chest CT: • Ground-glass ... community-acquired infections: Pneumonia ... DDX - Other causes
Imaging Modalities for Renal Calculus

AXR. KUB
 - Good far calcium-containing stones useful when limited radiation dose
Renal Calculus AXR ... radiation dose Ultrasound ... diverticulae). degree and level ... for non-calculus causes ... scan) when an ultrasound
Sarcoidosis - Diagnosis and Management Summary
Epidemiology
1) High incidence in Scandinavian countries (11-24 cases per 100,000 individuals
Sarcoidosis - Diagnosis ... granulomas within the lungs ... at the time of diagnosis ... e.g. incidental CXR ... heart (2-5%), liver
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
status NTM Cause ... Lady Windermere Syndrome ... : • Syndrome of ... (elevations of liver ... Imaging, high res CT