JNC-7 Blood Pressure Classification Cutoffs
The JNC-7 (Seventh Report of the Joint National Committee) guidelines define categories for blood pressure.
Normal Blood Pressure Range
Blood pressure is considered normal when Systolic Blood Pressure (SBP) is less than 120 mmHg and Diastolic Blood Pressure (DBP) is less than 80 mmHg.
Mathematically, this is represented as:
$SBP < 120$ mmHg$
$DBP < 80$ mmHg$
Cutoff for Elevated Readings
The question asks for the cutoff values that indicate blood pressure is no longer within the normal range.
According to JNC-7, exceeding the normal limits signifies elevated readings. The key thresholds identified are:
$SBP > 120$ mmHg$
$DBP > 80$ mmHg$
These values represent the boundary marking the beginning of elevated blood pressure levels, as per the JNC-7 classification context.
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