Blood
Pressure (BP) dipping is defined as the difference in BP from average waking to
sleeping measurement. BP follows normal circadian rhythm of dipping at night at about 10-15% as compared to the day. Night time dipping is further divided into
4 types, reverse dipper (<0%), non-dipper (0-10%), dipper (10-20%) and
extreme dipper (>20%).
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Hypertensive Patients |
The dip is thought to be affected by an inability to
excrete sodium during the daytime. It has also been found to be greatly reduced
in populations who are regularly exposed to seasonal changes. Studies have
shown how different dipping status of blood pressure during the night time
affects the prognosis of diseases. This is especially so in the case of reverse
dippers, which are frequently linked to higher mortality in Cardiovascular
Diseases (CVD), perhaps related to nocturnal hypoperfusion and/or an
exaggerated morning BP surge. Read More>>>>>
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