L6: Abnormalities of Amniotic Fluid Flashcards
Def of Polyhydramnios
Incidence of Polyhydramnios
1% in all pregnancies
Types of Polyhydramnios
Causes of Polyhydramnios
Maternal Causes of Polyhydramnios
Maternal prolactin may play a role by increasing the …… of amniotic fluid.
osmotic pressure
Fetal causes of Polyhydramnios
Causes of Polyhydramnios
- Multiple gestation
(in monochorionic twins it may be twin-to-twin transfusion syndrome)
Causes of Polyhydramnios
- Anencephaly and spina bifida in most cases & the causes may be ….
Causes of Polyhydramnios
- Congenital Heart failure
Congenital Heart Disease with congestive ht. failure
Causes of Polyhydramnios
- Increased placental mass
That occurs with edema of the placenta: e.g. Hydrops
fetalis: e.g. Rh. iso-immunization, severe anemia, CMV infection
Causes of Polyhydramnios
- Liver Cirrhosis
Causing fetal ascites “as in Syphilis”
Clincal Dx of Polyhydraminos
Clincal Dx of Polyhydraminos
- Acute type
Clincal Dx of Polyhydraminos
- Symptoms of acute type
Clincal Dx of Polyhydraminos
- Signs of acute type
Clincal Dx of Polyhydraminos
- General Examination of acute type
breathlessness, anxious, and
cyanotic
Clincal Dx of Polyhydraminos
- Inspection of acute type
- Over distended with glistening skin and visible dilated veins.
Clincal Dx of Polyhydraminos
- Palpation of acute type
- Size of uterus > duration of amenorrhea & tense, tender
- Difficult to palpate fetal part.
- Common malpresentation & mal-position
Clincal Dx of Polyhydraminos
- Percussion of acute type
Positive fluid thrill
Clincal Dx of Polyhydraminos
- Auscultation of acute type
Difficult to auscultate FHS
Clincal Dx of Polyhydraminos
- vaginal Examination of acute type
boggy fomices & cervix is pulled high up & may be dilated
Clincal Dx of Polyhydraminos
- Chronic Type
Symptoms and Signs are slowly progressive course & after 20 weeks.
- In acute polyhydramnios: Symptoms are …..
- In chronic polyhydramnios: Symptoms are ……
- severe & of sudden onset.
- slight & of gradual onset.