Hemostasis – What stops us from bleeding out.
Three main steps:
- Primary hemostasis (platelet plug) – the temporary way to stop bleeding
- Secondary hemostasis (clotting cascade) – the more permanent way
Bleeding disorders can be broadly divided into whether they affect platelet plug formation or the clotting cascade (if you need a refresher, click here)
|Platelet Disorder||Clotting Cascade Disorders|
Muscosal and cutaneous
Bruises and petechiae
Nose bleeds (epistaxis)
Menorrhagia (heavy periods)
Deep (muscles and joints)
Palpable bruises, large spreading hematomas
Hemophilia A (factor VIII)
Hemophilia B (factor IX)
I have looked at almost all of your sketches! Your talent is breath taking! I have not looked at many of these subjects in a long time. Reviewing them via your sketches was a pleasure! Thanks so much!