Does blood tests shows high blood pressures?

They do not. All blood tests are usually normal in patients with Essential Hypertension. They can be abnormal in patients with hypertension secondary to renal disease or other causes of hypertension 2/2 identifiable source. However any patient with newly diagnosed hypertension should get all the recommended blood tests to rule out diabetes, renal disease, hyperlipidemia, electrolyte abnormalities.