Deep vein
thrombosis
Deep leg veins
Clot in the deep veins of the leg. Often silent until swelling or pain appears in one calf.
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Pulmonary
embolism
Pulmonary artery
DVT clot breaks free and travels to the lungs. Most dangerous complication of venous thrombosis.
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AFib
embolism
Left atrium → systemic arteries
Atrial fibrillation allows blood to pool and clot. Dislodged clots enter the arterial system and can reach any organ.
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Ischemic
stroke
Cerebral arteries
Arterial blockage cuts off blood to the brain. 1.9 million neurons lost per minute without treatment.
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Myocardial
infarction
Coronary arteries
Plaque rupture triggers clot formation in a coronary artery. Heart muscle dies within minutes of occlusion.
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Acute limb
ischaemia
Peripheral arteries
Embolus from heart or large artery occludes a limb artery. Tissue necrosis begins within hours.
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