Heart & circulation markers
Markers on this page relate to the heart and blood vessels — cholesterol fractions, apolipoproteins and markers of cardiac strain. Each entry explains what the test measures, what can affect it, and which tests are often looked at alongside it.
ADMA (Asymmetric Dimethylarginine)
ApoB/ApoA1 Ratio
Apolipoprotein A1 (ApoA1)
Apolipoprotein B (ApoB)
Apolipoprotein E (ApoE)
Arachidonic Acid (Omega-6)
Arachidonic Acid / EPA Ratio
Atherogenic Coefficient
Atherogenic Index of Plasma (AIP)
Castelli Risk Index I
Castelli Risk Index II
DHA (Docosahexaenoic Acid)
EPA (Eicosapentaenoic Acid)
Fibrinogen
HDL Cholesterol
Large HDL Particles
LDL Cholesterol
LDL Particle Number (LDL-P)
LDL Particle Size
LDL-C/ApoB Ratio
LDL/HDL Ratio
Linoleic Acid (Omega-6)
Lipoprotein(a) [Lp(a)]
Lp-PLA2 (Lipoprotein-Associated Phospholipase A2)
Medium LDL Particles
Myeloperoxidase (MPO)
Non-HDL Cholesterol
Non-HDL/ApoB Ratio
Omega-3 DPA (Docosapentaenoic Acid)
Omega-3 Index
Omega-6 to Omega-3 Ratio
Oxidized LDL (oxLDL)
Remnant Cholesterol
SDMA (Symmetric Dimethylarginine)
Small LDL Particles
TG/ApoB Ratio
TMAO (Trimethylamine N-Oxide)
Total Cholesterol
Total Cholesterol to HDL Ratio
Total Omega-3
Total Omega-6
Triglycerides
VLDL Cholesterol