16 results
Causes of Cough and Hemoptysis
Acute Inflammation 
 - Laryngitis 
 - Tracheobronchitis 
 - Mycoplasma and
Causes of Cough ... Pneumonias - Bacterial ... Abscess - Asthma ... Cough #Hemoptysis #Differential ... #Causes #Table
Causes of Neutrophilia - Increased Neutrophils - Differential Diagnosis Algorithm
Infection
 • Bacterial
 • Abscess
 • Viral
Medications
Causes of Neutrophilia ... Infection • Bacterial ... • Abscess • ... Lung, Bladder, Colon ... #Causes #Hematology
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess - Diagnosis ... Lung abscess ... Abscess Diagnosis ... Abscess Differential ... #differential #
Hemoptysis - Differential Diagnosis Framework
Massive Hemoptysis: >150-300 mL in 24h
Airway disease: 
 • Bronchitis, Bronchiectasis, Malignancy
Diagnosis Framework ... • Infection: Bacterial ... Necrotizing PNA, Abscess ... Kaposi's sarcoma • Rheumatologic ... #causes
Causes of Pericardial Effusion - Differential Diagnosis
Infectious:
 • Viral: Enterovirus, Herpesvirus, Adenovirus, Parvovirus
 • Bacterial: Mycobacterium
Causes of Pericardial ... Parvovirus • Bacterial ... Non-Infectious: • Rheumatologic ... - Metastatic: Lung ... #Diagnosis #Causes
Back Pain - Differential Diagnosis
Primary Back Pathology:
 • Musculoligamentous injury (a.k.a. lumbosacral strain)
 • Spondylosis (i.e.
Back Pain - Differential ... Diagnosis Primary ... (most common: lung ... #Diagnosis #causes ... #primarycare #table
Bronchiectasis - Permanent dilation of an airway
WHAT CAN YOU SEE ON CT?
1) Lack of tapering of
3) Infection (Bacterial ... Obstruction 6) Rheumatologic ... Bronchiectasis #pulmonary #diagnosis ... #differential # ... causes
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
lesions • 80% with lung ... Infectious: • Bacterial ... Syphilis • Pyogenic Abscess ... Lesions #Brain #differential ... #diagnosis #causes
Spinal Cord Disorders - Differential Diagnosis Framework

Spinal cord neurological lesion:
Clinical findings:
 • Symptoms and signs below
Cord Disorders - Differential ... Diagnosis Framework ... spasticity - Extensor ... Non-compressive Spinal Cord Causes ... Neurocysticercosis - Bacterial
Fever Patterns - Differential Diagnosis Framework

Continuous Fever:
Temp > 38°C with only 1 degree fluctuation in 24
Fever Patterns - Differential ... Diagnosis Framework ... Non-Infectious Causes ... Brucellosis • Liver or lung ... #Diagnosis #intermittent