Source / episode info

• **Episode:**444
• **Title:**Divine Intervention Episode 444: The Clutch Thromboses Podcast (for Step 1-3)
• **Published:**2023-02-24
• Source:Episode page

One-liner

This episode provides a high-yield review of various thrombotic syndromes, emphasizing classic presentations for deep venous (DVT), hepatic vein (Budd-Chiari), portal vein, renal vein, and arterial occlusions (Acute Limb Ischemia, Hepatic Artery Thrombosis), all rooted in the principles of Virchow's Triad.

High-yield summary

• Virchow's Triad: All thrombosis/embolism formation requires a combination of: 1) Stasis (e.g., pregnancy, immobility); 2) Endothelial Injury (e.g., central line placement, atherosclerosis); and 3) Hypercoagulability (e.g., cancer, polycythemia vera).
• DVT/PE: DVT is the most common source of Pulmonary Embolism (PE). In pregnancy, stasis due to IVC compression increases risk. Treatment requires anticoagulation (e.g., Heparin).
• Vascular Thrombosis Differentiation: Acute Limb Ischemia (arterial thrombosis) is distinguished from DVT (venous thrombosis) by the absence of distal pulses in ALI.
• Budd-Chiari Syndrome (BCS): This is hepatic vein thrombosis, classically seen in Polycythemia Vera or Antiphospholipid Syndrome (APS). Presentation includes RUQ pain and rapid ascites.
• Portal vs. Hepatic Vein Thrombosis: Budd-Chiari involves the draining hepatic veins; Portal Vein Thrombosis involves the portal system (often due to cirrhosis/pancreatitis).
• Specific Syndromes: Renal vein thrombosis is strongly associated with Nephrotic Syndrome, while Cavernous Sinus Thrombosis follows facial infection and often affects CN VI.

Learning objectives

• Differentiate between thrombosis (in situ) and embolism (traveling).
• Apply Virchow's Triad to predict thrombotic risk in various clinical scenarios.
• Recognize the classic signs and risk factors for major venous/arterial occlusions (DVT, BCS, PVT, ALI).
• Understand the specific anatomical location of thrombosis (e.g., hepatic vein vs. portal vein) to narrow the differential diagnosis.
• Master the key differentiating features between various thrombotic syndromes using physical exam findings and lab results.