what is and what are the changes in late pregnancy on vital capacity?
no change, the entire amount you can breathe in a hold
what are the changes in late pregnancy on ventilation?
increases 40% with increase in RR
what are the changes in late pregnancy on oxygen consumption?
increase 20-33%
what is and what are the changes in late pregnancy on total lung capacity?
all the air in your lungs with a deep breathe in. Reduced by 4% due to diaphragm
what is and what are the changes in late pregnancy on functional residual capacity?
how much left in the lungs when you breathe out normally, reduced 10-20%
what is and what are the changes in late pregnancy on expiratory reserve volume?
the additional air you breathe out from rest to full exhalation. reduced 15-20%
what is and what are the changes in late pregnancy on residual volume?
the amount in your lungs you cannot breathe out. reduced 20-25%
what is and what are the changes in late pregnancy on inspiratory capacity?
the amount your breathe in from rest , unchanged
What changes occur on ABG in pregnancy on PaCO2 and what is the pregnancy reference ranges?
Decreased 3.7-4.2
What changes occur on ABG in pregnancy on pH and what is the pregnancy reference ranges?
increased, 7.4-7.45
What changes occur on ABG in pregnancy on PaHCO3 and what is the pregnancy reference ranges?
decreased18-21
What changes occur on ABG in pregnancy on PaO2 and what is the pregnancy reference ranges?
increased, >13
What should you cover at a booking visit for asthma?
hx and severity
record baseline PFR
encourage breastfeeding and smoking cessation
vaccines
importance of medication continuation
vitamin D
reduce weight gain
What regime of IV hydrocortisone in labour/CS should be given if needing repeated prednisone in pregnancy?
50mg IV q6hrly until 6 hours PN
elective CS - 100mg IV with anaesthetic then 50mg 6 hours PN
EmCS - top up 50mg IV then 50mg IV 6 hours PN
What are the criteria for ARDS and what is the mortality rate?
acute respiratory failure +
- biltaeral chest radiographic findings
- pulmonary capillary wedge pressure <19
- impaired oxygenation PaO2/FiO2 <27mmHg
What is the mortality rate with pregnancy related ARDS?
25%
What are cystic fibrosis effects on pregnancy?
GDM, PTB, FGR, IUFD, poor weight gain
What miscarriage and congenital malformation related to cystic fibrosis?
no
what is the upper limit of physiological hydropnephrosis and what side is more impacted?
20mm
right side as it is rotated by the colon to right
what is the prevalence of pyelo in pregnancy?
2%
What is the duration of antibiotics for pyelo in pregnancy?
10-21 days then nocte prophylaxis
What are the risk groups of CKD classified into? for each what is the risk of pregnancy complications for each?
mild creat <125, complications 26%
mod creat 125-250, 47% complications
severe creat >250 avoid pregnancy 86% complications
What % of mild CKD will have a successful pregnancy?
96%
What are the kinds of Primary gomerulonephritis?
Primary ( mainly effecting kidneys) - IgA nephropathy (most common), minimal change disease (children), focal segmental glomerulosclerosis