21 results
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
• Most common cause ... CT Lung Abscess ... • Vasculitis (e.g ... #Abscess #pulmonary ... #differential #
Eosinophil Disorders Testing Algorithm
INDICATIONS FOR TESTING:
 • Peripheral blood eosinophilia/hypereosinophilia uncovered incidentally during medical evaluation or
glucocorticoid treatment ... organ-specific signs ... or symptoms (eg ... Disorders #Algorithm #Differential ... #diagnosis #hematology
Pulmonary Renal Syndromes - OnePager Summary
Autoimmune ANCA vasculitis (AAV): GPA (granulomatous with polyangiitis), EGPA (eosinophilic granulomatosis
Other tests: • CT ... or serologies + symptoms ... sparing of the lung ... CT ... diagnosis #management #treatment
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
inflammation Symptoms ... Nasal polyps and signs ... CT) • Broncho-arterial ... mycobacteria Treatment ... #differential #
Hampton hump is a radiologic sign which consists of a shallow wedge-shaped opacity in the periphery
sign which consists ... periphery of the lung ... In this case, pulmonary ... confirmed with chest ... CT angiography.
Uncommon Causes of Noncardiogenic Pulmonary Edema (NCPE) - Differential Diagnosis Framework

High Altitude Pulmonary Edema:
 • Accumulation
Edema (NCPE) - Differential ... blood cells in the lung ... infiltrates on chest ... • Signs/Symptoms ... • Signs/Symptoms
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
in HIV - Differential ... • CT: Halo sign ... Constitutional symptoms ... Infections #HIV #AIDS #pulmonary ... #differential #
Amiodarone Induced Lung Toxicity Summary

Who?
• 5% of patients
• Dose ≥ 400 mg per day

How?  Possible
starting amiodarone treatment ... gradually with symptoms ... Pleuritic chest ... Improvement in symptoms ... macrophages Treatment
Myasthenia Gravis Overview

Myasthenia Gravis is an autoimmune disorder of the postsynaptic neuromuscular junction.  Ab to
life-threatening Differential ... Serologic and EMG ... test - Cogan sign ... - Peek sign ... Imaging - CT Chest
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
status NTM Cause ... Hematologic malignancy ... • Dyspnea, • Chest ... Imaging, high res CT ... NTM #Infections #differential