Obstetrics Flashcards
A 38 year old woman has come to the GP in the 8th week of her first pregnancy with severe nausea and vomiting.
What can be the possible causes?
- Normal nausea and vomiting of pregnancy
- Hyperemesis Gravidarum
- Multiple pregnancy
- Molar pregnancy
- Ruptured ectopic pregnancy
- Polyhydromnios
7.GDM
8. DM
9. UTI
- Small bowel obstruction
- Cerebral tumour
- Addison disease
- Infections
A 38 year old woman has come to the GP in the 8th week of her first pregnancy with severe nausea and vomiting.
What are the key points of this case?
- Exclude ALL the D/Ds
- Correct Dx : Hyperemesis Gravidarum
- Correct investigations and treatment
- Tell about Down Syndrome screening as she is advanced maternal age
- Telling her that it will be spontaneously reduced by 14weeks of gestation
A 38 year old woman has come to the GP in the 8th week of her first pregnancy with severe nausea and vomiting.
List the Investigations and Management plan.
- UDT to check for ketones and BSL : If ketones present, immediately hospitalise.
- Urine MCS - to rule out UTI
- USG - to rule out Multiple pregnancy, Molar pregnancy, Ectopic pregnancy, Polyhydromnios
- FBE
- Serum UEC
- LFT
Management:
1. Investigations
2. Hospital admission
3. Treatment in the hospital:
IV saline
IV dextrose with Vit B
Antiemetic- Pyridoxine with Maloxone
4. Spontaneous resolution within 14weeks of pregnancy
5. If does not resolve, further investigations.
6. Genetic counseling and Down syndrome screening because she is advanced maternal age.
28 year old primigravida has come on her 34weeks of gestation with fundal height 29 cm.
What are the causes of this condition?
Condition: Fundal height less than date causing IUGR
Causes:
In the mother:
1. Pre-existing kidney disease-
HTN, Arthritis, Lupus
2. Pre-eclampsia
3. Smoking and drinking
4. Placental dysfunction; Abruptio Placentae
5. Oligohydromnios
6. Infections - CMV & Toxoplasmosis
In the fetus:
1. Chromosomal abnormalities
2. Fetal malformations
3. Fetal infections with CMV and toxoplasmosis
28 year old primigravida has come on her 34weeks of gestation with fundal height 29 cm.
Management of this condition.
- Refer to specialist:
- to confirm the diagnosis
- to rule out other dd
- to assess the severity of the condition - Investigation:
1. USG
2. CTG
3. Doppler study
4. S. urea, uric acid and creatinine
5. Lupus anticoagulant and Anticardiolipin antibodies
6. Antibodies for toxoplasmosis
7. Amniocentesis - Delivery-
- via C section
- prior to due date
- timing will be decided based on USG, CTG and fetal growth - Prognosis:
Satisfactory, given that the baby does not become hypoxic, doesn’t have any congenital anomalies or infections.
28 year old primigravida has come on her 34weeks of gestation with fundal height 29 cm.
What investigations will you do?
- USG: every 2-3 weeks
- to confirm the size of the baby
- to measure the amniotic fluid volume
- to rule out any congenital anomalies - CTG: twice a week starting from now till delivery
- to assess and monitor the condition and wellbeing of the baby - Doppler study:
- to ensure blood flow in the umbilical cord - Serum urea, uric acid and creatinine
- to look for any evidence of renal compromise - Lupus anticoagulants and Anticardiolipin antibodies
- Antibodies for Toxoplasmosis
- Amniocentesis:
- to assess the karyotype of the baby
Causes of Primary postpartum hemorrhage
- Uterine Atony
- Retained bits of placenta
- Genital tract lacerations
- Coagulation/Bleeding disorders
Management of Severe Postpartum Hemorrhage due to uterine atony
- Stabilise the vitally unstable patient first
- Transfer the patient to the resuscitation room
- Start high flow oxygen via face mask
- Secure IV line and start IV fluids: normal saline or Hartman solution
- Take blood for grouping and cross matching and coagulation studies
- Catheterize the patient if not done already - Uterine massage
- Continue the IV fluids on a fast drip rate
- Give blood as soon as available and cross matched
- Give IV or IM Ergometrine or IM Oxytocin immediately
- Observe any clots on the blood that is passed
- Examine the placenta carefully
- Do a speculum examination for any genital or perineal tear that may require suturing
- Liase with my seniors and refer the patient to OB specialist for Examination Under Anaesthesia to ensure:
- no retained bits of placenta
- uterus is intact
- no uterine inversion
• shouldn’t be performed until blood transfusion is running
• patient is hemodynamically stable
25 year old Karen who is a kindergarten teacher has come to the GP after a recent contact with a child in her class who has rubella.
What history will you take?
- When was the contact?
- Was it a confirmed case of rubella?
- Did you have any previous infection with rubella?
- Are you vaccinated against rubella?
- Have you been feeling unwell or feverish lately?
Any rash? Sore throat? Runny nose?
Any lumps or bumps in your neck or behind the ears? - 5P
- SADMA COT FP
25 year old Karen who is a kindergarten teacher has come to the GP after a recent contact with a child in her class who has rubella.
How will you manage her? (investigations and management)
- Urine Pregnancy test right now
Investigations:
1. FBE with ESR and CRP
2. UEC
3. Blood grouping and Rh typing
4. BSL
5. Vitamin D levels
6. Urine - dispstick and MCS
- Rubella and Varicella serology
- STI Screening
Management:
1. 5C on Rubella
Complications- in baby Congenital Rubella Syndrome:
- deafness
- blindness
- heart defects
- limb defects
- mental disability
- Check two antibodies IgG and IgM and two scenarios can occur
- All Other antenatal advices
20 week pregnant patient comes with painless ulcers in her private areas for the 4th time now.
What is the condition and how will you manage her?
Condition: Recurrent HSV infection
Management:
1. Refer to high risk pregnancy clinic where you will be seen by a obstetrician and an infectious disease specialist.
- To confirm the diagnosis: take swab from the lesion and send it for PCR
- Start Acyclovir (can be given from 20weeks) 5-7 days
- Also give Acyclovir from 36weeks until delivery to prevent any recurrence affecting the baby or the delivery
- Arrange USG scan now and repeat if necessary to monitor any defects in the baby
- If the partner has similar symptoms, test and treat him as well. Practice safe sex.
- About delivery:
- if no active lesions- vaginal delivery
- active lesions- CS
- if active lesions but patient wants vaginal delivery- IV Acyclovir given to the baby after delivery to prevent Neonatal HSV infection, causing:
- sepsis
- eye, mouth and skin infections
- pneumonia
- encephalitis - Review in 8 days
- Monitor the baby kicking and red flags
11 week pregnant lady presented with nausea and vomiting to the ED.
What are the differentials?
- Normal nausea vomiting of pregnancy
- Hyperemesis Gravidarum
- Molar Pregnancy
- Multiple Pregnancy
- Ectopic pregnancy
- Polyhydromnios
- UTI/Pyelonephritis
- Gastroenteritis
- Meningitis
- Small bowel obstruction
- Acute appendicitis
30 weeks pregnant woman presents to the GP with sudden onset of abdominal pain.
What is the diagnosis ?
Condition: Preterm labour
Onset of labour before 37 weeks of pregnancy.
Cause:
1. Excessive fluid in the bag surrounding the baby
2. Multiple pregnancy
3. Cervical incompetence
4. Maternal infections
5. Preeclampsia
6. GDM
Complications for the baby:
1. RDS or breathing difficulties in the baby
2. Neonatal sepsis
3. Bleeding into the brain/Intracranial hemorrhage
4. Difficulty in maintaining body temperature and sugar levels
5. Feeding difficulties
Criteria for preterm labour:
1. Contractions happening every 5-10 minutes lasting for 30seconds to 1 minute
2. Cervix >2.5cm dilated
3. Fibronectin test positive
4. Labour happening before 37weeks
30 weeks pregnant lady comes to the GP with sudden onset of abdominal pain.
How will you manage this patient?
- Fibronectin test - take a vaginal swab.
If +ve = she will deliver in the next 7-10 days - Immediate transfer to the hospital with a neonatal ICU.
Arrange for an ambulance, call the hospital and make them aware of your condition so that they are ready for you once you reach. - Open an IV channel
Take blood for investigations - Give 1st dose of Steriod
- to bring lung maturity as it is <34 weeks
Give 1st dose of Tocolytics
- to prevent further uterine contractions and prolong the pregnancy - In the hospital:
- you will be seen by a specialist
- USG and CTG will be done to monitor you and your baby
- further doses of steriods and tocolytics to prolong the pregnancy as much as possible - In spite of everything, if your labour progresses and you do deliver your baby:
- baby will be taken care of in the NICU
- by the best hands - Baby kicking and red flags
25 year od Mary who is 32 weeks pregnant comes to the GP clinic with complaints of passing fluid from the vagina since the past one hour.
What is this condition?
Condition: Preterm Premature Rupture of Membrane
Cause:
1. Multiple pregnancy
2. Polyhydromnios
3. Preeclampsia
4. GDM
5. Maternal infection
6. Fetal abnormalities
Complications:
1. Infections
28 year old female presents to the ED because of severe right sided abdominal pain for the past one hour.
What can be the possible causes?
Gynaecological:
1. Ectopic Pregnancy
2. PID
3. Mittleschmerz
4. Ovarian cyst rupture
5. Torsion of the ovaries
Renal:
1. UTI/Pyelonephritis
2. Renal stone
Abdominal:
1. Acute Appendicitis
2. Small bowel obstruction
28 year old female presents to the ED because of severe right sided abdominal pain for the past one.
List the investigations to do.
Investigations:
1. Office tests - UPT, UDT, BSL
2. Blood - FBE with ESR and CRP,
UEC
LFT
Coagulation profile
Blood grouping and Rh typing
Bhcg level
3. Transvaginal USG -
- empty uterus
- empty sac in the adnexa
- fluid in the pouch of Douglas
28 year old female presents to the ED because of severe right sided abdominal pain for the past one hour
Management of this condition
- Admit to the hospital and seen by specialist
- IV access, take blood for investigations and start IV fluid
Two methods of treatment:
Conservative
Surgical
Criteria for Conservative management :
1. BHcg <5000
2. No fetal cardiac activity
Methotrexate: Intramuscular injections, single or multiple or directly into the sac under USG guidance
Followup after giving Methotrexate:
Bhcg estimation weekly
- decreasing : working
- remaining same : ectopic activity still going on so repeat methotrexate
- increasing : treatment not effective, needs to be operated.
Surgical management :
1. Laparoscopy and Salpingostomy
2. Laparoscopy and segmental resection
3. Laparoscopy and salpingectomy
28 year old female presents to the ED because of severe right sided abdominal pain for the past one.
What is the condition?
Condition: Ectopic pregnancy
Cause/Risk factors:
1. Previous history of ectopic pregnancy
2. PID
3. IUCD
4. Artificial methods of conception
5. Previous abdominal surgeries
Complications:
1. Rupture
2. Peritonitis
32 weeks pregnant lady comes to the GP with headache since the last 2 days and also had mild swelling of her legs the last time you saw her.
List the differentials.
- Preeclampsia/Preeclamptic toxaemia
- Migraine
- Cluster headache
- Tension headache
- Meningitis
- Encephalitis
- SAH
- EDH
- SDH
- Sinusitis
- Allergic rhinitis
- Referred pain from toothache
- Temporal arteritis
Criteria of Preeclampsia, Preeclamptic Toxemia and Eclampsia
Preeclampsia:
• AOG >20 weeks
• BP >140/90
• Proteinuria
• Generalised edema
Preeclamptic Toxemia:
• Features of Preeclampsia
• Headache
• Blurring of vision
• Vomiting
• Tummy pain
• Vaginal bleeding
• Swelling of the feet upto the calves or knees/Massive edema
• Knee reflex- Hyperreflexia
• Clonus
Eclampsia:
• All the above
• Convulsions
Management of Preeclamtic Toxemia
- UDT - to check for urinary protein and ketones
- Transfer to the hospital immediately to be seen by specialist.
Arrange ambulance and liase with the doctors over there so that they are prepared beforehand. - Secure IV access, take blood for investigations and start IV fluid.
-Also give 1st dose of IV Labetalol - Investigations :
- FBE with ESR &CRP
- UEC
- LFT
- Coagulation profile - In the hospital:
- USG and CTG will be done to monitor you and the baby
- Complete bed rest
- Continuous monitoring of the vitals
- BP recording every 2 hours
-Urinary proteins twice daily
- Fluid input output by catheterisation - IV Hydralazine - to control BP
IV MgSO4 - to prevent eclampsia
4g initially over 10-15minutes and then 1g/hour as continuous infusion - If everything goes well and the baby is doing well :
- induce labour by 37 weeks
- need to stay in the hospital for the rest of your pregnancy
- in case you’re fitting or the baby becomes unwell, immediate CS or IOL
Management of Eclampsia
- Shift the patient to the resuscitation room and stabilize her using the DRSABCDE protocol and call for help.
- Patient in left lateral position
- High flow oxygen via face mask
- Two large bore IV access
IV fluids
Catheterization to monitor input output - If in the GP
- IV Labetalol and IV Diazepam
If in the hospital
- IV Hydralazine and IV MgSO4 - Investigations
Blood
USG
CTG - Immediate delivery of the baby either by CS or IOL (despite whatever the AOG is)
28 year old Jenny presented to the ED at her 34 weeks of pregnancy with vaginal bleeding.
What can be the possible causes?
- Placenta Previa
- Abruptio Placenta
- Trauma
- Blood thinners
- Bleeding disorders