She added that Ms. Butler had suffered from severe hypertension and other health problems in recent years.
Mecamylamine is used to treat moderate to severe hypertension (high blood pressure).
Levels of mortality are very high in pregnant women with severe pulmonary hypertension.
Commonly, ischemic heart attack and stroke are the causes that lead to death in patients with severe hypertension.
Although severe hypertension is more common in the elderly, it may occur in children (though very rarely).
With severe hypertension - up to 209 over 119 - it is 11 times higher.
When taken with certain foods, for example, they may bring on sudden and severe hypertension.
They are also used in combination with other drugs for difficult-to-treat or more severe hypertension.
The researchers found that 32 percent of the patients had mild to severe pulmonary hypertension.
African-Americans tend to develop it younger and have more severe hypertension.