Misc Flashcards
How much amniotic fluid there is in normal pregnancy?
1 litre
What are possible reasons for polyhydramnious?
- twin pregnancies
- women with diabetes
- abnormality of fetal digestive system - won’t take in amniotic fluid.
What are the risks of polyhydramnious?
- PROM
- unlikely to engage
- cord prolapse
What are reasons for oligohydramnious?
- placenta or membranes are not functioning properly
- PROM
- problems with fetal kidneys
Where is the respiratory control centre situated?
Medulla oblongata
What is normal respiratory rate for adult?
12-15 breaths per minute
What is trachea?
15-20 C-shaped rings of cartilage
How many alveoli are there in the lungs?
300 mln alveoli
50-100 m2 is the surface of gaseous exchange
What is normal pulse rate in an adult?
60-80 bpm
What is bradycardia (adult)?
below 60 bpm; not enough oxygen
What is tachycardia (adult)?
above 100 bpm;
reasons: infection, stress, compensation for low lung function, PPH
What is systolic blood pressure?
Pressure of blood coming out of the heard during ventricular contraction.
110-140 is OK
What is diastolic BP?
Minimum pressure of blood against the wall of the artery following closure of aortic valve.
90+ is high; risk of stroke or heard attack
What is a chance of fit in post-natal period if had pre-eclampsia?
4 out of 10 fit in post-natal period.
How to measure Man Arterial Pressure (MAP)?
2xdiastolic + systolic / 3
below 65 mmHg - poor perfusion
above 100 mmHg - signifies hypertension
