10 results
High-Res Chest CT Patterns - Differential Diagnosis Framework
Reticular:
 • Septal Thickening: Lymphangitic Carcinoma, Interstitial Edema, Alveolar
High-Res Chest CT ... Alveolar Proteinosis, Lymphoma ... Sarcoidosis • Bronchiectasis ... Cystic Fibrosis, ABPA ... #Diagnosis #pulmonary
Tram Track Sign on Chest CT
 • Parallel, non-tapering airways, extending to the lung periphery.
 •
Tram Track Sign ... Cylindrical or traction bronchiectasis ... necrotizing pna, ABPA ... Sign #CT #Lung #Pulmonary ... #diagnosis #radiology
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
Hypersensitivity: ABPA ... parenchyma Diagnosis ... : • HRCT (high-resolution ... #pulmonary #differential ... #diagnosis
Wheezing - Differential Diagnosis Framework - Not all that wheezes is asthma
Vibrations of turbulent flow against
Diagnosis Framework ... walls leading to high-pitched ... - Anaphylaxis, Paradoxical ... Viral infections, Bronchiectasis ... #pulmonary #wheeze
Causes of Secondary Amenorrhea - Differential Diagnosis Algorithm
Absence of menses for more than 3 cycles or
Diagnosis Algorithm ... lesions (e.g. lymphoma ... ) Pituitary - High ... Prolactinoma • Chest ... Tumors, trauma,
Pulmonary Infections in HIV-AIDS
Bacterial: 
 • No organism identified, Strep pneumoniae, H. influenzae, S.aureus, Streptococcus Grp
Lymphocytic or lymphoid ... Imaging (CXR +/- High ... res CT chest scan ... HIVAIDS #workup #diagnosis ... #evaluation #differential
Elevated Lactate Dehydrogenase (LDH) - Differential Diagnosis Framework

LDH is a cytoplasmic enzyme present in tissues throughout
Diagnosis Framework ... • Present in high ... Legionnaires disease • Pulmonary ... Demand ischemia • Trauma ... Malignancy: • Lymphomas
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Infections in HIV - Differential ... Diagnosis Framework ... • 3 syndromes: ABPA ... Aspergillosis • High ... Infections #HIV #AIDS #pulmonary
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
Centrilobular nodules - Bronchiectasis ... • Dyspnea, • Chest ... Diagnosis Of NTM ... Symptoms, Imaging, high ... NTM #Infections #differential
Differential Diagnosis of Respiratory Acid-Base Disorders
Alkalosis
A. Central nervous system stimulation: Pain, Anxiety, psychosis, Fever, Cerebrovascular accident,
Differential Diagnosis ... encephalitis, Tumor, Trauma ... tissue hypoxia: High ... Cardiac failure, Pulmonary ... #diagnosis #causes