14 results
Streptocccus Pneumoniae
Microbiology: Gram Positive, Alpha-hemolytic, Catalase Negative
Epidemiology - 10% adult carriers:
 • Most common cause of:
Streptocccus Pneumoniae ... • Most common cause ... Exam, CXR, ENT ... Spec > 95%) • Urine ... Specificity of 97%) Treatment
Differential diagnosis
The table summarizes the most common diseases, that present with consolidation.
Chronic diseases are indicated in
Differential diagnosis ... caused by streptococcus ... respond to the treatment ... #Diagnosis #Radiology ... #Pulmonary #CXR
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
Unknown • 6-7 cases ... - Imaging: • CXR ... - Diagnosis: ... Treatment: • ... pulmonary #ILD #diagnosis
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
• Most common cause ... : Aspiration pneumonia ... Blood cultures • CXR ... early disease) • CXR ... #differential #causes
Notice that there are multiple densities in both lungs.
The larger ones are ill-defined and maybe there
multiple ill-defined masses ... the differential diagnosis ... Biopsy revealed the diagnosis ... #Clinical #Radiology ... #CXR #Peripheral
Community Acquired Pneumonia (CAP) - Diagnosis and Management

Pneumonia Signs/Symptoms:
 • Confusion/disorientation (LR + 1.9)
 • Cough
(CAP) - Diagnosis ... Blood cultures - Urine ... Yield of blood CX ... #CAP #Diagnosis ... #Management #treatment
Based on the images alone, it is usually not possible to determine the cause of the
determine the cause ... Lobar pneumonia ... Organizing pneumonia ... #Clinical #Diagnosis ... #Radiology #CXR
Kussmaul's sign in Constrictive Pericarditis 

A 50-year-old woman with a remote history of mediastinal lymphoma (age
on her chest (photo ... the underlying diagnosis ... Causes = RV failure ... Kussmauls #Sign #PhysicalExam ... Pericarditis #Cardiology
Rhabdomyolysis - Differential Diagnosis Framework and Management Summary

Causes of Rhabdomyolysis:
 • Trauma:
	- Immobilization
	- Crush injury
	- Compartment
- Differential Diagnosis ... Management Summary Causes ... Weakness - Dark urine ... ) • AKI: BUN/Cr ... hour with goal urine
Empyema Necessitans (EN) on Chest Wall Physical Examination

Pulmonary teaching case: you are called to the bedside
Pulmonary teaching case ... was admitted for pneumonia ... drain - What’s the diagnosis ... Fusobacterium Treatment ... Necessitans #EN #Chest #PhysicalExam