26 results
Reversed Halo Sign - Infectious and Non-Infectious Differential Diagnosis
Definition: A focal rounded area of GGO surrounded
Reversed Halo Sign ... Differential Diagnosis ... polyangiitis (Wegener), Eosinophilic ... Dermatomyositis, Lung ... Reverse #Halo #Sign
Eosinophil Disorders Testing Algorithm
INDICATIONS FOR TESTING:
 • Peripheral blood eosinophilia/hypereosinophilia uncovered incidentally during medical evaluation or
drug reaction, infection ... Strongyloides infection ... organ-specific signs ... Disorders #Algorithm #Differential ... #diagnosis #hematology
Cough - Diagnostic Schema

Infectious: URTI, LRTI, Bacterial, Viral
Irritant/Exposure: Allergic, Post-infectious, Pneumonitis, ACEi, PTX, Foreign Body
Airway Disease:
Cough - Diagnostic ... COPD, Sinusitis, Bronchiectasis ... ILD Malignancy: Lung ... mycobacterial), Eosinophilic ... Acute #Chronic #Differential
Bronchiectasis is defined as localized bronchial dilatation.
The diagnosis of bronchiectasis is usually based on a combination
dilatation (signet-ring sign ... the peripheral lung ... A signet-ring sign ... is prior infection ... #Differential #
Approach to Eosinophilic Lung Diseases
 • Acute Eosinophilic Pneumonia (< 1 wk) - ~30yo, M; Recent
Lung Diseases ... , CNS, skin • Infectious ... #Lung #Diseases ... #pulmonary #differential ... #diagnosis #comparison
Fever in Returning Travelers from Tropical Regions - Frequent Differential Diagnoses
Medical History:
 • Skin exposure to
Regions - Frequent Differential ... Diagnoses Medical ... without localizing signs ... #diagnosis #tropical ... #travel
Suspected Celiac Disease - Diagnosis Algorithm

Celiac disease suspected:
 • Signs and symptoms of celiac disease
 •
suspected: • Signs ... discernable cause • Signs ... microscopic colitis Differential ... NSAlDs, ARBs) • Infection ... Inflammatory (IBD, eosinophilic
Bilateral B-Lines in case of Pneumonia on Lung POCUS

Young healthy pt with fever/dyspnea. POCUS lung exam
immunosuppression, travel ... Differential Bilat ... interstitial diffuse infections ... partially seen shred sign ... NOT definitively diagnose
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
Nasal polyps and signs ... in the adjacent lung ... of the affected lung ... #pulmonary #differential ... #diagnosis
STEMI Equivalents on ECG
 • Conventional STEMI - Elevation of ST segment at (or 40-60 ms
J point • De Winter ... V2 • Wellens sign ... pain • Wellens sign ... Equivalents #ECG #EKG #diagnosis ... #differential #