47 results
CT vs T1 MRI
CT Head:
 - Bones are white
 - Fat is Dark & Scalp fat
CT vs T1 MRI CT ... not apparent T1 MRI ... Devpriyo Pal @drdevrad ... #CT #T1 #MRI # ... comparison #neurology #radiology
Coronary Artery Embolism - Etiology and Scoring
Etiology:
 • Direct: Clot (LV thrombus, LAA Thrombus), Valve (Vegetation,
attributable to acute MI ... based on TTE, TEE, CT ... or MRI Minor: ... #diagnosis #differential ... scoring #criteria #cardiology
Pulmonary Infections in HIV-AIDS
Bacterial: 
 • No organism identified, Strep pneumoniae, H. influenzae, S.aureus, Streptococcus Grp
Pulmonary Infections ... CD4 > 200: Pulm embolism ... CXR +/- High res CT ... sputum, PCP DFA ... diagnosis #evaluation #differential
Pulmonary Embolism on POCUS Echocardiogram

Mid 30's female with chest pain/dyspnea.  Triage EKG (no prior).
Pulmonary Embolism ... Sister had MI in ... Differential/diagnosis ... Pulmonary embolism ... A4c #clinical #cardiology
Appearance of Liver Lesions on Various Imaging Modalities
 • Computed Tomography (CT) - Arterial Phase, Portal
Computed Tomography (CT ... Resonance Imaging (MRI ... Ultrasound #Contrast #CT ... #MRI #POCUS #radiology ... #differential #
Causes of Hemoptysis - Differential Diagnosis Algorithm
Massive Hemoptysis (>I00 mL in 24 hours)
 • Malignancy
 •
of Hemoptysis - Differential ... Malformation Normal CXR/CT ... Bronchitis Diffuse CT ... Pulmonary Vasculitis Infection ... • Pulmonary Embolism
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Compatible syndrome + MRI ... toxo IgG • CNS PCR ... multiple lesions Infectious ... Lesions #Brain #differential ... diagnosis #causes #radiology
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
CNS Infection in ... HIV / AIDS - Differential ... Imaging: - MRI ... enhancement on CT ... #differential #
Listeriosis Summary - Listeria Monocytogenes
Pathogen: Listeria Monocytogenes - Gram-positive rod, Aerobic, facultative anaerobe, motile, beta-hemolytic, Non-spore-forming
Risk
Pregnancy • CNS infection ... Gastroenteritis) • PCR ... ) • CSF (CNS Infection ... ) • MRI / CT if
Listeriosis Summary - Listeria Monocytogenes
Pathogen: Listeria Monocytogenes - Gram-positive rod, Aerobic, facultative anaerobe, motile, beta-hemolytic, Non-spore-forming
Risk
Pregnancy • CNS infection ... Gastroenteritis) • PCR ... ) • CSF (CNS Infection ... ) • MRI / CT if