8 results
Chronic Cough - Differential Diagnosis Algorithm
Red Flags:
 • Fever, night sweats, chills (infection)
 • Weight loss,
Dyspnea (underlying lung ... disease or CHF) ... ) • Abnormal CXR ... refer + order CT ... disease #Chronic
Cough - Diagnostic Schema

Infectious: URTI, LRTI, Bacterial, Viral
Irritant/Exposure: Allergic, Post-infectious, Pneumonitis, ACEi, PTX, Foreign Body
Airway Disease:
GERD, Dysphagia, CHF ... ILD Malignancy: Lung ... Atypical Infxn (fungal ... Diagnosis #Schema #Acute ... #Chronic #Differential
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
pneumonia • Chronic ... Blood cultures • CXR ... ) • CXR upright ... seen • Chest CT ... Prevotella • Fungal
Approach to Eosinophilic Lung Diseases
 • Acute Eosinophilic Pneumonia (< 1 wk) - ~30yo, M; Recent
to Eosinophilic Lung ... DiseasesAcute ... Hx of asthma, CF ... Infectious (Variable) - Fungal ... #Eosinophilic #Lung
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
lung disease ... encounters due to NTM: Chronic ... massiliense in CF ... Imaging, high res CT ... differential #diagnosis #infectiousdiseases
Heart failure with Reduced Ejection Fraction (HFrEF)
Clinical Presentation
1. Typical symptoms: dyspnea, orthopnea paroxysmal noctumal dyspnea, fatigue,
: weight gain, lung ... *Chronic HFrEF may ... lack lung rales ... CXR congestion. ... coronary artery disease
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Diagnosis Framework Disease ... Pseudomonas FUNGAL ... • CT: Halo sign ... Abdominal pain, chronic ... differential #diagnosis #infectiousdiseases
Mycoses

HISTOPLASMOSIS
• Inhalation of conidia → Yeast → travel to lymph nodes → spread in body
• Bird
presents with acute ... MC: CNS CSF: • ... change in the lungs ... nails, bronchi, lungs ... ) #Mycoses #InfectiousDiseases