13 results
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Infections in HIV - Differential ... Cytopenias VIRAL ... Abdominal pain, chronic ... Infections #HIV #AIDS #pulmonary ... #differential #
Fever in Returning Travelers from Tropical Regions - Frequent Differential Diagnoses
Medical History:
 • Skin exposure to
Regions - Frequent Differential ... , acute HIV infection ... Cough, dyspnea - Pneumonia ... melioidosis, typhoid, pulmonary ... , Lassa fever, acute
Acute and Chronic Causes of Dyspnea - Differential Diagnosis
Pulmonary/Chest Wall:
 • Acute: Trauma, COPD exacerbation, Asthma
Acute and Chronic ... Diagnosis Pulmonary ... Pleural effusion, Pneumonia ... : Asthma, COPD, ... poisoning, DKA, Fever
Approach to Eosinophilic Lung Diseases
 • Acute Eosinophilic Pneumonia (< 1 wk) - ~30yo, M; Recent
Lung Diseases • Acute ... initiation of smoking; Fever ... brown sputum, fever ... Travel hx, food hx; Fever ... #differential #
Non-Resolving Pneumonias: Etiologies
Unusual Infections:
 - Immunocompromised patients (e.g.: Mycobacterium, Aspergillosis, Nocardia)
 - Endemic Fungi (e.g.: Histoplasmosis,
Non-Resolving Pneumonias ... yersinia/rats, Q fever ... Eosinophilic PNA (acute ... or chronic) ... #differential
Eosinophilic Pneumonia
When to suspect Eosinophilic Pneumonia? Non-resolving pneumonia + BAL > 25% eosinophils + excluded more
common diagnoses Acute ... tobacco hx - Fever ... mechanical ventilation Chronic ... (CEP) - F>M (2 ... #diagnosis #pulmonary
Based on the images alone, it is usually not possible to determine the cause of the
or chronic illness ... Lobar pneumonia ... with cough and fever ... (OP) - multiple ... with low oxygen level
Elevated Lactate Dehydrogenase (LDH) - Differential Diagnosis Framework

LDH is a cytoplasmic enzyme present in tissues throughout
Dehydrogenase (LDH) - Differential ... Legionnaires disease • Pulmonary ... hepatitis • Acute ... ratio < 1.5) from viral ... myocarditis, rheumatic fever
Acid Base Disorders - Blood Gas Interpretation

Steps for Blood Gas Interpretation: 
1. Acidemia or Alkalemia? 
2.
Acute or chronic ... Anxiety, pain, fever ... Classically” noted with pulmonary ... lung disease (COPD ... Nephrology #ABG #bloodgas
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
Pain - Arthritis Differential ... • Rheumatic fever ... or more joints Viral ... streptococci (rheumatic fever ... #Diagnosis #MSK