Source:http://linkedlifedata.com/resource/umls/id/C0007220
MSH: Agents that affect the rate or intensity of cardiac contraction, blood vessel diameter, or blood volume.,CSP: agents that effect the rate or intensity of cardiac contraction, blood vessel diameter, or blood volume.,NDFRT: NOTE: The beta-blockers/related subclassification (CV100) includes all single-entity beta-blockers and alpha-beta- blockers. Combinations containing a beta-blocker are included with the combination antihypertensives (CV400). The alpha-blockers/related subclassification (CV150) includes both peripheral and central single-entity products. All antihypertensive combinations, with the exception of potassium-sparing diuretics in combination with other diuretics (CV704), are included in the CV400 subclassification.