136 results
Causes of Orthopnea - Differential Diagnosis Framework

 • Fear and Anxiety
 • Pleural Effusion
 • Ascites
Causes of Orthopnea ... - Differential ... Edema • Severe Pneumonia ... MS, Polio - PNS ... #Diagnosis #Causes
Reversed Halo Sign - Infectious and Non-Infectious Differential Diagnosis
Definition: A focal rounded area of GGO surrounded
Reversed Halo Sign ... Non-Infectious Differential ... • Infectious Causes ... Non-Infectious Causes ... Reverse #Halo #Sign
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Infections in HIV - Differential ... • CT: Halo sign ... Lymphadenopathy, CNS ... Infections #HIV #AIDS #pulmonary ... #differential #
Interstitial Lung Diseases (ILD)
Exposure-Related ILD (a.k.a. extrinsic allergic alveolitis): 
 • Hypersensitivity pneumonitis, Farmer's lung, Bird
ILD caused by inhalation ... • Idiopathic pulmonary ... Acute, Chronic • Pulmonary ... ILD #diagnosis #differential ... #pulmonary #causes
Bilateral B-Lines in case of Pneumonia on Lung POCUS

Young healthy pt with fever/dyspnea. POCUS lung exam
Bilateral B-Lines in case ... pulm edema not PNA ... Differential Bilat ... /lung sliding: Pulmonary ... partially seen shred sign
Causes of Cough and Hemoptysis
Acute Inflammation 
 - Laryngitis 
 - Tracheobronchitis 
 - Mycoplasma and
Causes of Cough ... Mycoplasma and Viral Pneumonias ... - Bacterial Pneumonias ... Bronchiectasis - Pulmonary ... Cough #Hemoptysis #Differential
Childhood Immunization Schedule: Why we immunize
 • Diphtheria Toxin -> URT inflammation causes pseudomembrane with hardened
replicates within CNS ... induces vascular & CNS ... CNS and hematologic ... , pharyngitis; pneumonia ... peds #pediatrics #pathophysiology
Pulmonary Pathology and Associated Lung Ultrasound Findings
Pneumothorax:
 - No lung sliding/barcode sign
 - Lung point (hard
pleura reflection) Pneumonia ... pleura in severe cases ... submassive PE) POCUS ... #differential # ... #Lung #POCUS #ultrasound
Non-Resolving Pneumonias: Etiologies
Unusual Infections:
 - Immunocompromised patients (e.g.: Mycobacterium, Aspergillosis, Nocardia)
 - Endemic Fungi (e.g.: Histoplasmosis,
Non-Resolving Pneumonias ... - Eosinophilic PNA ... Others: - Pulmonary ... #NonResolving #Pneumonia ... #differential
Causes of Hemoptysis - BATTLE CAMP Mnemonic:

Bronchitis 
Bronchiectasis 
Aspergilloma 
Tumor 
Tuberculosis 
Lung abscess 
Emboli (pulmonary) 
Coagulopathy
Causes of Hemoptysis ... abscess Emboli (pulmonary ... Mitral stenosis Pneumonia ... BATTLECAMP #Mnemonic #Causes ... #Differential #