11 results
Venous Thrombosis vs Arterial Thrombosis - Differential Diagnosis Framework

VENOUS THROMBOSIS

 • Acquired Risk Factors:
	- >48 hours
Arterial Embolism ... • Cardiac: - Atrial ... thrombus - atrial ... fibrillation ... ) - Myxoma
Coronary Artery Embolism - Etiology and Scoring
Etiology:
 • Direct: Clot (LV thrombus, LAA Thrombus), Valve (Vegetation,
Fibroelastoma), Mass (Myxoma ... venous origin of CE material ... non-culprit vessels • Atrial ... Fibrillation ... #diagnosis #differential
Hepatic Masses on CT - Differential Diagnosis by CT Findings

Masses: Hemangioma, Adenoma, FNH, HCC, Fibrolamellar HCC,
- Differential ... Non-Contrast, Arterial ... #CTA #differential ... #diagnosis #liver ... #hepatology #radiology
Appearance of Liver Lesions on Various Imaging Modalities
 • Computed Tomography (CT) - Arterial Phase, Portal
) - Arterial Phase ... portal venous, T1 arterial ... Ultrasound - Early arterial ... Grayscale phase, Late arterial ... #differential #
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Purpura - Differential ... • Septic emboli ... gangrenosum • Bacterial ... Vasculopathy #Purpura #Differential ... #Diagnosis #hematology
Endocarditis Summary

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV substance use
• IV catheter
• Recent
Libman Sacks) • Atrial ... myxoma • Hypercoagulable ... night sweats, fever ... Marantic (NTBE) Differential ... • Paradoxical emboli
Causes of Renal Infarction - Differential Diagnosis
Thrombosis: Spontaneous
 • Atherosclerotic disease of aorta and renal artery
Renal Infarction - Differential ... Cardiac source: Atrial ... fibrillation or ... thrombi: Left atrial ... myxoma or other
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Room Air + Sea Level ... Hypoventilation: CNS ... Atelectasis, Pulmonary Embolism ... Gradient #alveolar #arterial ... Hypoxia #hypoxemia #differential
Appearance of Liver Lesions on Contrast Enhanced Ultrasound - Early arterial, Grayscale phase, Late arterial phase,
Ultrasound - Early arterial ... Grayscale phase, Late arterial ... Ultrasound #Contrast #POCUS ... #radiology #differential ... table #appearance #hepatology
Endocarditis - Overview and Differential Diagnosis Framework

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV
- Overview and Differential ... Libman Sacks) • Atrial ... myxoma • Hypercoagulable ... night sweats, fever ... #Endocarditis #Differential