@ultrasoundtok: What is the single most reliable sonographic criterion for confirming an acute Deep Vein Thrombosis (DVT) on B-mode imaging? A) Complete lack of vein compressibility B) Continuous flow C) Posterior acoustic enhancement D) Hyperechoic vessel walls The Clinical Breakdown: Transverse Compression: A normal, healthy vein should collapse completely wall-to-wall under light transducer pressure. Acute DVT: The presence of an intraluminal clot physically prevents full compression. An acute clot is often hypoechoic or anechoic, meaning it might look clear on grey-scale—making full dual-plane transducer compression your most reliable diagnostic test. Where Artifacts Fit In: Artifacts like rouleaux formation (sludged RBCs producing slow flow echogenicity) can mimic a clot, but true slow flow will clear with compression or augmentation, whereas a true DVT will resist compression. Correct Answer: A) Complete lack of vein compressibility Do you perform dual-plane compression or dual-screen image split on your DVT studies? Let's discuss in the comments! #ultrasound #sonographer #vascularultrasound #DVT #ultrasoundstudent

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Thursday 24 September 2026 00:34:33 GMT