Syncope during hexamethonium administration.
D000818:Animals; D001001:Anura; D008725:Bis-Trimethylammonium Compounds; D001794:Blood Pressure; D001795:Blood Pressure Determination; D018738:Hexamethonium; D006973:Hypertension; D013575:Syncope
D008725:Bis-Trimethylammonium Compounds; D018738:Hexamethonium
BLOOD PRESSURE, HIGH; METHONIUM COMPOUNDS