(For more, see the What is being tested? section.) A hemoglobin test may be used to: Screen for, diagnose, and measure the severity of anemia (low RBCs, hemoglobin and hematocrit) or polycythemia (high RBCs, hemoglobin and hematocrit) Monitor the response to treatment of anemia or polycythemia.
Calcium channel blockers prevent calcium from entering into the heart muscle cells, and into the smooth muscle cells that cause blood vessels to constrict. This relaxing effect results in the dilation of blood vessels, and a reduced force of contraction of the heart muscle.
Calcium channel blockers: These are prescription medications that help to dilate or enlarge the blood vessels, thereby. 1  increasing circulation to the extremities. These medications are helpful in reducing the severity and frequency of attacks. Some medications used are: nifedipine and diltiazem.