Page 159 - Basic Monitoring in Canine and Feline Emergency Patients
P. 159

up with his primary care veterinarian in 3 days’
              Pericardial site  No evidence of   No evidence of   time and is acting like his normal self.
                              pericardial
                                           pericardial
  VetBooks.ir               Symmetrical    effusion      Case study 3: AFAST/TFAST/VetBLUE
                              effusion
                              atrial sizes.
                              An estimated               applications in an acute abdomen patient
                              LA:Ao ratio is 1           Brindy, a 12-year-old spayed female Sheltie, is pre-
              DH            No pericardial, pleural or   sented to the emergency department for vomiting,
                              peritoneal effusion appreciated  diarrhea, lethargy, and hyporexia that has pro-
                                                         gressed to anorexia for 2 days. On presentation,
              Caudodorsal lung   Glide sign +  Glide sign +  she is severely dehydrated (~9% dehydration),
               lobe region  <3 B-lines    <3 B-lines     icteric, has prolonged capillary refill time, and dry
                              bilaterally  bilaterally
                                                         mucus membranes. She has a skin tent and her
              Perihilar lung lobe  Glide sign +  Glide sign +  mentation is dull. Her eyes are sunken, icteric, and
               region       <3 B-lines    <3 B-lines
                                                         her corneas appear dry. She is unwilling to ambu-
              Middle lung lobe   Glide sign +  Glide sign +  late on her own. On abdominal palpation, she has
               region       <3 B-lines    <3 B-lines
                                                         significant cranial abdominal discomfort. Her pules
              Cranial lung lobe   Glide sign +  Glide sign +  are weak, she is tachycardic (170 beats/minute) and
               region       <3 B-lines    <3 B-lines     tachypneic (45 breaths/minute) and her core body
             +, positive; CTS, chest tube sites; TFAST , thoracic focal   temperature is low at 98ºF (36.66ºC). Her feces is
                                      3
             assessment sonographically for trauma/triage/tracking;    an orange color and diarrhea in consistency.
             US, ultrasound; VetBLUE, Veterinary Bedside Lung    An intravenous catheter is placed, and initial
             Ultrasound Exam.
                                                         orders are given for blood pressure, CBC, biochem-
                                                         istry panel, PT/aPTT, ammonia, lactate, PCT/TS,
               Given that the lack of pathologic numbers of
             B-lines and subjective lack of evidence of left-sided   glucose,  and AFAST . She is hypotensive with a
                                                                          3
             heart enlargement, you have less suspicion for car-  systolic blood pressure of 60 mmHg (normal
             diac disease as an etiology for Indy’s signs. However,   80–120 mg/dL) and has elevated lactate at 7.0 mmol/L
                         3
             because TFAST  only assesses the peripheral lung   (normal < 2.0 mmol/L; see chapter 1). She is hypo-
             parenchyma it  is elected  to try to stabilize  Indy   glycemic at 60 mg/dL and has elevated lactate at
             further to be able to perform thoracic radiographs.   7.0 g/dL. She is hemoconcentrated with a PCV/TS
             A  single  dosage  of  butorphanol  0.2  mg/kg  IM  is   of 60%/8.0 (normal 35–45%/4.5–6.0; see chapter 1)
             administered, and two puffs of albuterol are admin-  and her serum is icteric. While awaiting benchtop
             istered via an infuser device. After 20 minutes, Indy   blood work, an isotonic crystalloid fluid bolus of
             is  breathing  better  and  thoracic  radiographs  are   22 mL/kg is administered and she is placed on an
             acquired. Thoracic radiographs show evidence of a   active external warming device. She is also given a
             diffuse  bronchiolar  pattern  with  no  evidence  of   0.5  mL/kg 50% dextrose bolus diluted 1:4 over
             pulmonary edema. The lungs appear hyperinflated   5 minutes. Her blood pressure improves to a sys-
             with flattening of the diaphragm. Based on his his-  tolic pressure of 75  mmHg. A second 22  mL/kg
             tory, TFAST /VetBLUE and thoracic radiograph   isotonic crystalloid bolus is administered.  While
                       3
                                                                                                3
                                                                                         3
             findings, Indy is likely having an acute exacerba-  this is being delivered, the  AFAST /TFAST /
             tion of feline asthma. It is recommended to con-  VetBLUE examinations are performed. Below are
             sider additional diagnostics for other etiologies for   her results:
             feline bronchopulmonary disease including a CBC,
             biochemistry panel, urinalysis, feline heart worm   AFAST 3
             testing, fecal examination for lungworms, and
             bronchoscopy with broncho-alveolar lavage.   DH view     0/4 fluid within the abdominal cavity
                                                                      Contents of the gall bladder appear
               After discussion with Indy’s family regarding all        to be well organized, echogenic
             options, the owner elects for empirical outpatient         debris consistent with a mucocele
             therapy. Indy is dismissed with oral prednisolone at       and the gall bladder wall appears
             an anti-inflammatory dose, an albuterol inhaler,           to be thickened with a hypoechoic
             empirical fenbendazole, and client education to            and hyperechoic ring consistent
             decrease inhaled irritants in the home. Indy follows       with a halo effect


             Applications of Serial Focal Ultrasound Techniques in the Hospitalized Small Animal Patient   151
   154   155   156   157   158   159   160   161   162   163   164