68 results
Reversed Halo Sign - Infectious and Non-Infectious Differential Diagnosis
Definition: A focal rounded area of GGO surrounded
Reversed Halo Sign ... Differential Diagnosis ... Causes: Mucormycosis ... Dermatomyositis, Lung ... Reverse #Halo #Sign
Pulmonary Pathology and Associated Lung Ultrasound Findings
Pneumothorax:
 - No lung sliding/barcode sign
 - Lung point (hard
sliding/barcode sign ... Consolidations - "Shred" sign ... Respiratory Distress Syndrome ... #differential #diagnosis ... #signs #Lung #POCUS
Causes of Diffuse Lung Disease. 
Collagen vascular 
 - Scleroderma 
 - Rheumatoid arthritis 
 -
Causes of Diffuse ... Lung Disease. ... cell arteritis Infectious ... chemotherapy #Diagnosis ... #Radiology #Pulmonology
Hematuria - Differential Diagnosis Framework

Gross Hematuria: Red/Dark urine
 • 1ml blood/liter urine can induce color change
- Differential Diagnosis ... deposits - Post-infectious ... hematuria • Signs ... Hematuria: • Infection ... #causes #urology
Causes of Dizziness - Vertigo - Differential Diagnosis Algorithm
True Vertigo - Illusion of Rotary Movement
Peripheral Vestibular
- Differential Diagnosis ... symptoms/signs, ... nystagmus - Infection ... Dizziness #Vertigo #Neurology ... #Differential #Diagnosis
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Chorioretinitis • Diagnosis ... - Compatible syndrome ... lesions • 80% with lung ... #causes #radiology ... #neurology
Causes of Pericardial Effusion - Differential Diagnosis
Infectious:
 • Viral: Enterovirus, Herpesvirus, Adenovirus, Parvovirus
 • Bacterial: Mycobacterium
Causes of Pericardial ... - Differential Diagnosis ... Infectious: ... - Metastatic: Lung ... #Causes #cardiology
Primary Adrenal Insufficiency
Addison's Disease - Damage of the adrenal glands with lack of cortisol, androgens and
Adrenals: • Lung ... vomiting • Fatigue Signs ... Cortisol Deficiency: Signs ... Reduced libido • Signs ... #signs #symptoms
Problem Representation - Approach to the Infectious Disease Patient

Who: Patient age and host/risk factors (such as
Approach to the Infectious ... illness What: Key signs ... define the clinical syndrome ... e.g. brain and lung ... #History #HPI #Diagnosis
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 ... The most common cause ... #Diagnosis #Radiology