There is good reason to suspect that if an individual develops blood pressure that reads as high systolic low diastolic; then they will be at greater risk of developing cardiovascular conditions than someone whose blood pressure is more or less normal. The presence of blood pressure; high systolic low diastolic means that there is greater likelihood that a heart attack or stroke is just around the corner – at least studies conducted by the UC Irvine seem to suggest that this is the case. read more..