Page 26 - E-Modul Konsep Tekanan Zat Pada Makhluk Hidup_Neat

Alat Pengukur Tekanan Darah

T e k a n a n d a r a h d a p a t d i u k u r d e n g a n
m e n g g u n a k a n m a n o m e t e r a i r r a k s a , a t a u d a p a t
j u g a d e n g a n a n e r o i d s p h y g m o m a n o m e t e r d a n
d i g i t a l s p h y g m o m a n o m e t e r y a n g t e r k a l i b r a s i
d a l a m m m H g . S p h y g m o m a n o m e t e r a i r r a k s a
d a p a t d i l i h a t p a d a g a m b a r 2 . 3 .
Prinsip Kerja Alat Pengukur

Tekanan Darah

P r i n s i p k e r j a a l a t p e n g u k u r t e k a n a n d a r a h s a m a
d e n g a n U - T u b e M a n o m e t e r . M a n o m e t e r a d a l a h
a l a t p e n g u k u r t e k a n a n y a n g m e n g g u n a k a n
t i n g g i k o l o m ( t a b u n g ) y a n g b e r i s i l i q u i d s t a t i k
Gambar 2.3 Sphygmomanometer
u n t u k m e n e n t u k a n t e k a n a n
Cara Mengukur Tekanan Darah

M a n s e t d i p a s a n g ‘ m e n g i k a t ’ m e n g e l i l i n g i l e n g a n d a n k e m u d i a n d i t e k a n d e n g a n
t e k a n a n d i a t a s t e k a n a n a r t e r i l e n g a n ( b r a c h i a l ) d a n k e m u d i a n s e c a r a p e r l a h a n
t e k a n a n n y a d i t u r u n k a n . P e m b a c a a n t i n g g i m e r k u r i d a l a m k o l o m ( t a b u n g m a n o m e t e r )
m e n u n j u k k a n p e a k p r e s s u r e ( s y s t o l i c ) d a n l o w e s t p r e s s u r e ( d i a s t o l i c ) . C a r a m e g u k u r
t e k a n a n d a r a h d a n h a s i l p e n g u k u r a n d e n g a n m e n g g u n a k a n t e n s i m e t e r d i g i t a l s e c a r a
b e r t u r u t - t u r u t d a p a t d i l i h a t p a d a g a m b a r 2 . 4 d a n 2 . 5 .

Gambar 2.4 Cara Pengukuran Tekanan Darah

Klik Icon untuk melihat video
penggunaan tensimeter

Gambar 2.5 Hasil Pengukuran Tekanan Darah
Menggunakan Sphygmomanometer
18 Digital