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D Dimer The Clot Question
D-dimer is a blood test used to evaluate for dangerous blood clots such as deep vein thrombosis and pulmonary embolism. A normal result in the right patient can safely rule out clot, but an elevated value does not confirm one. Context and clinical risk matter.
Troponin A Marker of Damage
Chest pain often triggers a troponin test. This cardiac biomarker detects heart muscle injury, but an elevated result does not always mean heart attack. The trend and the full clinical picture determine what it means.