8 results
Atoll Sign (Reverse-Halo Sign) on Chest CT
 • Central GGO surrounded by a crescentic or circumferential
Atoll Sign (Reverse-Halo ... CT • Central GGO ... LG, GPA, lipoid pna ... #Lung #Pulmonary ... #diagnosis #radiology
Air Bronchogram Sign on Chest CT
 • Patent airways surrounded by opacified lung
 • DDx: pna,
Air Bronchogram ... Sign on Chest CT ... • DDx: pna, pulm ... #Lung #Pulmonary ... #diagnosis #radiology
Hampton hump is a radiologic sign which consists of a shallow wedge-shaped opacity in the periphery
periphery of the lung ... in the diagnosis ... CT angiography. ... #CriticalCare #Radiology ... #Cardiology #HamptonHump
Cardiac Stress Testing
Exercise:
 • Everyone who can exercise should!
 • They must be able to raise
production to cause ... : EKG ($), ECHO ... Nuclear SPECT ($$$), PET ... CT/MRI ($$$$) ... Stress #Testing #cardiology
Imaging Modalities for Renal Calculus

AXR. KUB
 - Good far calcium-containing stones useful when limited radiation dose
Renal Calculus AXR ... is desirable, e.g ... Combination of above MRI ... for non-calculus causes ... stones #calculus #Radiology
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
represent 'diseases' per ... indicates unknown cause ... vascular diseases (e.g ... #Diagnosis #Radiology ... #Pulmonary #CTChest
Causes of Primary and Functional Mitral Regurgitation (MR) 
Causes of primary mitral regurgitation
 - Rheumatic heart
Direct/indirect chest ... 'Sea gull' appearance ... : Dilated CMP, long-standing ... #Differential #Diagnosis ... #Cardiology
Authors: Mark M. Ramzy, DO, EMT-P (@MarkRamzyDO, EM Resident Physician, Drexel University, Department of Emergency Medicine)
SpO2 88% on room air ... pattern that your brain ... Most commonly caused ... #Radiology #CTChest ... #Lung #Pulmonary