Myths vs facts: Cardio Risk Check and fatigue

A Cardio Risk Check (e.g., lipid panel, hs-CRP, genetic risk scores) can estimate cardiovascular risk but cannot diagnose the cause of fatigue. Myth: Fatigue is a direct sign of heart disease – in reality, it is nonspecific and may stem from sleep deprivation, stress, thyroid issues, diet, or mental health. Fact: Elevated risk markers like LDL or Lp(a) increase the probability of cardiovascular events, but fatigue alone does not warrant a cardiac diagnosis. Evidence for genetic predictors is mostly weak (GWAS, moderate effect sizes). Such a test does not replace a medical workup for persistent fatigue. Caveat: Without clinical validation for fatigue symptoms, its utility remains a lifestyle curiosity.