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VTS(ECC) Preparation > Reproduction, Neonates & Geriatrics > Flashcards

Reproduction, Neonates & Geriatrics Flashcards

1
Q

Common bacterial isolates in neonatal sepsis

A

Staphylococcus
Streptococcus
E. coli
Klebsiella
Enterobacter
Salmonella
Clostridium

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2
Q

Pharmacological considerations in neonates

A
  • decreased renal excretion and hepatic metabolism
  • Avoid oral administration
  • Intestinal flora very sensitive to antimicrobials
  • BBB more permeable
  • Rely on HR to maintain CO so avoid cardio depressant drugs
  • Opiods good as reversible
  • Avoid hep saline
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3
Q

Antimicrobials preferred for neonates

A

b-lactams (12 hourly not 8 hourly)
Metronidazole for giardiasis and anaerobic infections

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4
Q

Normal MAP of 1 month old puppy or kitten

A

49mmHg

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5
Q

Most accurate method to monitor overhydration and underhydration

A

Body weight
(Can use PCV/TS)

  • Skin turgor not effective measurement
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6
Q

Lactate is ______ in neonates

A

Higher

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7
Q

What is considered hypothermia for puppies and kittens

A

25.6-34.4

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8
Q

Fluid resuscitation in moderately dehydrated/hypovolaemic neonatal patients

A

30-40ml/kg bolus
CRI 80-100mL/kg/day

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9
Q

Preferred fluid for neonates and why

A

LRS - utilise lactate for metabolic fuel particularly if hypoglycaemic

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10
Q

Why does hypoglycaemia occur in neonates

A

Poor hepatic gluconeogenesis
Inadequate hepatic glycogen stores
Glucosuria
Inefficient counter-regulatory hormone release (clinical signs harder to identify)

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11
Q

Treatment of hypoglycaemia in neonates

A

1-3mL/kg 50% glucose (1:3 = 12.5%), repeat as required
CRI 2.5-10% through central line
Carnitine 200-300mg/kg PO q24 (max. glucose utilisation)

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12
Q

Autonomic NS doesn’t mature until what age in neonates?

A

8 weeks

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13
Q

Normal weight gain for neonates

A

Should double their weight in first 10 days
5-10% BW gain each day

  • may be slower in formula fed neonates
  • should weigh multiple times daily
  • can lose 10% BW in first 24h after birth
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14
Q

Normal HR of neonates

A

Puppies 200
Kittens 250

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15
Q

Normal temperature of neonates

A

35.2-37.0 by week 4

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16
Q

True or false: puppies and kittens can have an innocent murmur <12 weeks of age

A

True`

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17
Q

Why do neonates have higher fluid requirements compared to adults?

A

Higher body water % compared to body fat
Increased metabolic rate
decreased renal concentrating

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18
Q

Neonatal resuscitation in the neonate should include which of the following?
a. Gentle suction with a suction bulb
b. Doxapram administration
c. Swinging the neonate in a nose-down orientation
d. Calcium gluconate administration

19
Q

Which of the following is true regarding eclampsia?
a. Bitches carrying large litters should be supplemented with calcium through gestation
b. It is most common in giant breeds due to large numbers of large feti
c. Clinical signs include tetany, hyperthermia, ataxia, and muscle tremors
d. All of the above

20
Q

What is the inability of the male dog to retract the penis into the prepuce called?
a. Priapism
b. Phimosis
c. Paraphimosis
d. Paraphilia

21
Q

Which of the following species is an induced ovulator?
a. Canine
b. Feline
c. Equine
d. Avian

22
Q

he gestation of the canine is how many days?
a. 63 days
b. 42 days
c. 330 days
d. 76 days

23
Q

Pyometra typically develops in what time frame in relation to estrus?
a. One month prior to estrus
b. During estrus
c. Three months post estrus
d. There is no correlation between

24
Q

Delivery of the fetus occurs in which stage of labor?
a. Stage 1
b. Stage 2
c. Stage 3
d. Stage 4

25
Active labor should not be allowed to continue for longer than what length of time before medical attention is sought? a. 15 minutes b. 1 hour c. 4 hours d. 12 hours
B
26
Uterine inertia can result from which of the following abnormalities? a. Hyperkalemia b. Hypolactatemia c. Hypoglycemia d. Hypercalcemia
C
27
Which of the following is not related to secondary uterine inertia? a. Exhaustion b. Electrolyte disturbance c. Dehydration d. Dam conformation
D
28
CEH
Cystic endometrial hyperplasia Usually precedes pyometra and is common in middle-aged, female entire bitches and queens Endocrine disease occurring in diestrus when corpora lutea are present and progesterone is high Can be sub clinical or life threatening
29
Basic pathophysiology of pyometra
CEH in its sub clinical stage involves proliferation and hyper secretion of endometrial glands leading to fluid filled cysts in uterine lumen (usually in diestrus). Once bacterial colonisation occurs there is accumulation of intraluminal purulent exudate and inflammatory infiltration into the endometrium and myometrium. Progesterone is high which stimulates endometrial growth and glandular secretory activity which diminishes immune function and increases bacterial adherence > pyometra
30
How do bacteria gain access in pyometra
Ascension of bacteria when cervical dilation in oestrus (E. Coli most common)
31
Diagnosis of pyometra
Enlarged uterus (uterine wall thickness, distension, cystic glands) History of recent oestrus Vaginal discharge SIRS signs Anorexia/inappetence Lethargy Painful abdomen Degenerative neutrophilia with bands Anaemia (NR, normocytic, normochormic) Increased CRP Increased globulins and proteins (dehydration, antigenic stimulation) Hypoalbuminaemia Prerenal azotaemia Increased liver enzymes
32
Treatment of pyometra
1. Stabilise 2. Broad-spectrum antibiotics 3. Progesterone receptor antagonists: closed to open pyo to enhance removal of exudate 4. Surgery/OHE 5. Medical management: PGF2a (increases contractility, luteolysis, increases uterine contraction)
33
When are small animals considered geriatric
When they have entered into the last 25% of there expected life expectancy
34
RBC, WBC production in geriatric animals
There is reduced ability for the bone marrow to produce new WBC and RBC as a result of reduced haemopoesis
35
The coagulation system shift to …. in geriatric patients
Hypercoagulobility
36
Respiratory muscle strength in geriatric patients
Reduced by about 25% and A-a significantly increases
37
Imaging changes in geriatric patients
More calcification of ribs and joints Calcification in bronchial circulation may be mistaken for pulmonary disease The liver may extend beyond costal arch Cat hearts may lie more flat on the sternum and be mistaken for cardiac disease Spondiolysis may be present
38
Fluid therapy in geriatric animals
Because geriatric animals have increased myocardial fibrosis, valvular malfunction and myocardial fibre atrophy they are highly dependent on their end-diastolic volume and thus more sensitive to fluid loss but also to too much fluid. They likely also have some degree of renal insufficiency - balanced crystalloids ideal - may require supplements of K, Vit B etc
39
Nutritional requirements of geriatric animals
Have higher protein requirements Require a highly digestible diet high in fibre Have decreased ability to digest fats > deficiencies in fat soluble vitamins Antioxidants required to combat oxidative stress > minimise free radicals and production of NO Probiotics and prebiotics helpful
40
Pharmacological considerations for geriatric patients
‘Start low, go slow’ (may change when emergent) Oral absorption might be decrease due to reduced GI function Decline in hepatic mass and function alter metabolism 15-20% estimated to have reduced renal function so careful for kidney elimination Adjusted dose - norm dose X (Norm crea/pt crea) Adjusted interval - norm interval (1/norm crea/pt crea)
41
Metritis
Similar bacterial infection to pyometra but occurs after parturition when PG is low. Similar clinical signs to pyometra as well as reduced milk production and malodorous lochia Unlike pyometra this is very treatable with medical management (PGF2a, amoxiclav, IVFT)
42
Normal parturition and timing
1. Uterine contraction, cervix dilating, body temp drops, PG drops, 6-24h 2. True labour, strong contractions, clear discharge before each puppy/kitten 3. Passing of placenta with each birth
43
When is parturition an emergency
Failure to stage 2 within 24h Full term without labour Failure to deliver within a timely manor I.e. one puppy/kitten every 1-2h Foetal distress <160 Still births Maternal distress (lethargy, pain, green or copious discharge Pex of dystocia
44
Treatment of dystocia
Address life-threatening shock Oxytocin 0.25-0.4U/dog C-section +- ovariohysterectomy

VTS(ECC) Preparation (21 decks)

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