74 results
Pott's Disease in Tuberculosis - Diagnosis and Management Summary
Epidemiology:
 - Typically from TB endemic areas
 -
cases Clinical Signs ... years - May have signs ... symptoms of active pulmonary ... decreased reflexes Pathophysiology ... tissue damage - CXR
Tuberculosis Overview

10 million new M. tuberculosis infections/year
Facultative intracellular rod-shaped bacteria
Multidrug-resistant tuberculosis (MDR-TB) accounts for 4.6% of
tuberculosis (LTBI) Pathophysiology ... Tuberculosis Diagnosis ... and Culture • CXR ... disease • Check CXR ... #Diagnosis #Management
Tuberculosis Overview

10 million new M. tuberculosis infections/year
Facultative intracellular rod-shaped bacteria
Multidrug-resistant tuberculosis (MDR-TB) accounts for 4.6% of
tuberculosis (LTBI) Pathophysiology ... Tuberculosis Diagnosis ... and Culture • CXR ... disease • Check CXR ... #Diagnosis #Management
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess Pathophysiology ... Blood cultures • CXR ... early disease) • CXR ... westermani • Other: TB ... Lung #Abscess #pulmonary
Cavitary Lesion with Air-Fluid Level on Chest XRay

70+ year old man with PMH of latent TB
PMH of latent TB ... s/p treatment and ... is his original CXR ... Labeled CXR: ... ChestXRay #Clinical #Pulmonary
Lung Abscess
Microbiology:
 • Polymicrobial 
 • Anaerobes (most common) 
Clinical: 
 • Indolent symptoms that evolve
, hemoptysis Treatment ... Lung #Abscess #Diagnosis ... #Pulmonary #Clinical ... #CXR #ChestXRay
Diffuse consolidation
The most common cause of diffuse consolidation is pulmonary edema due to heart failure.
This is
consolidation is pulmonary ... Look for other signs ... a superimposed pulmonay ... #Diagnosis #Radiology ... #Pulmonary #CXR
Tuberculin Skin Test Interpretation - Threshold for treatment
Induration cutoff >5mm:
 • Recent exposure to an individual
Threshold for treatment ... individual with active TB ... • Abnormal CXR ... consistent with old TB ... SkinTest #TST #diagnosis
Leukostasis vs Tumor Lysis Syndrome
Leukostasis:
 • Pathophysiology: Large, immature blasts and high WBC count cause hyperviscosity
Leukostasis: • Pathophysiology ... , dyspnea, +/- CXR ... WBC >100k, + lab signs ... Lysis Syndrome: • Pathophysiology ... Syndrome #TLS #diagnosis
There are about a dozen x-ray findings, but two of them are especially important: Loss of
aortic knob/aortic-pulmonary ... and the calcium sign ... #Clinical #Diagnosis ... #Radiology #CXR