Haematocrit

Hct

Marker Haematologic

The share of blood volume made of red cells. Thicker blood carries more oxygen and clots more easily, and this is the single most reliably moved number on cycle.

Relationships

3 connections

Haematocrit elevates

Red Blood Cell Production

Red cell manufacture, driven by erythropoietin from the kidney. Androgens raise both the signal and the marrow's response to it.

Haematocrit increases risk of

Clot Risk

Blood clotting where it should not. Rises with haematocrit, and this is the reason a red cell count is worth watching rather than admiring.

Sleep Apnoea

Breathing interruptions during sleep. Worsened by weight gain, fluid retention and neck mass, and it drives daytime blood pressure up further.

Beyond this page

Haematocrit also connects to 14 entries in the applied modules, covering supplements, compounds, hormones and food sources. Those carry the mechanism and the evidence tier behind each link, and they are part of client coaching.

Get your free assessment