The PharmD Doc on Instagram: "Zero civic sense… but 100% confusion about clotting factors?” Let’s fix that—one factor at a time. 🩸 Clotting Cascade, decoded: Factor I – Fibrinogen: the final thread that forms the clot Factor II – Prothrombin: thrombin in waiting Factor III – Tissue factor: the injury alarm Factor IV – Calcium: the silent activator Factor V – Proaccelerin: the accelerator Factor VI – Absent… because science corrected itself Factor VII – Proconvertin: the pathway starter Factor V