NORSK 25

sykdommer, for eksempel nyre- og stoffskiftelidelser.

På lang sikt kan høyt blodtrykk føre til redusert elastisitet i åreveggene og påfølgende åreforkalkning (arteriosklerose). Dette er en av de viktigste årsakene til hjerteinfarkt, hjerneblødning og hjerneslag samt nyrelidelser.

Svingninger i blodtrykket

Blodtrykket varierer ganske mye, både hos personer med god helse og hos personer med for høyt blodtrykk. I sistnevnte gruppe er variasjonen størst. Blodtrykket varierer i løpet av en dag og i løpet av en måned. Årstid og temperatur har også innvirkning på blodtrykket. Generelt sett er blodtrykket til en person lavere når det er varmt og høyere når det er kaldt.

I diagrammet nedenfor vises et eksempel på hvordan blodtrykket til en 35 år gammel mann kan variere i løpet av en dag.

(mmHg)

160

 

 

 

 

 

 

 

 

 

 

 

140

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Blodtrykk

120

 

 

 

 

 

 

 

 

 

 

 

100

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

80

 

 

 

 

 

 

 

 

 

 

 

 

60

 

 

 

 

 

 

 

 

 

 

 

 

40

 

 

 

 

 

 

 

 

 

 

 

 

20

 

 

 

Søvn

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0

 

 

 

 

 

 

 

 

 

 

 

 

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5

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Philips HF319, HF321 manual Svingninger i blodtrykket, Sykdommer, for eksempel nyre- og stoffskiftelidelser

319, HF319, HF321 specifications

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