ECC Triage Flashcards
what is the 5 point triage system with wait time limits?
0 mins - immediate
10 mins - very urgent
60 mins - urgent
120 mins - standard
240 mins - non-urgent
what is the Acute Patient Physiological Laboratory Evaluation (APPLE)? what variations exist?
- 10-point system (APPLEfull) vs. 5-point system (APPLEfast)
- Assess severity of diseases presenting to ICU
- Requires blood results
Triage Team consists of
Client - Receptionist - Veterinary Technician - Veterinarian
compenents / stages of triage
- telephone triage
- waiting room triage
- primary survey
- secondary survey
main components of telephone triage
- extract information
Signalment
1° complaint
Duration / time of event
Breathing status
Gum color
Mentation
Ambulatory status - Determine urgency
Immediate consultation
Consultation (1-2 hours)
Later appointment - First aid & transport
Bandage, cooling, immobilize, etc.
Referral: emergency
Initial stabilization
Sedation & analgesia
Medical records
ETA
conditions requiring immediate consultation
- Respiratory distress
- Choking, gagging, coughing
- Cyanosis, white MM
- Collapse, loss of consciousness
- Status epilepticus
- Heat stress / heatstroke
- Distended abdomen, unproductive retching
- Massive bleeding
- Inability to urinate / no urine production
- Acute poisoning (antifreeze, xylitol, rodenticide, chocolate, etc.)
- Electric shock, burns
conditions requiring Consultation ASAP (1-2 hours)
- Cluster seizures
- Paresis / paraplegia
- Esophageal / linear foreign body
- Trauma, bite wounds, fractures
- Stranguria
- Severe vomiting / diarrhea
- Hematemesis, hematochezia
- Ophthalmological abnormalities
- Acute deterioration
- Lethargy, recumbency
- Pain
Waiting Room Triage
- what do we immediately examine upon arrival?
- what happens if we find life-threatening abnormalities?
ØImmediately examined upon arrival:
- Level of consciousness
- Respiratory pattern, rate, effort, noise
- HR, MM, CRT, pulse quality
- Temperature
ØLife-threatening abnormalities:
- Straight to triage / ER area
- Medical urgency, not “first come, first served” - How long animals can safely wait?
examples of life-threatening abnormalities
- White, cyanotic, grey muddy, severely hyperemic MM
- Bradycardia: cat <120 bpm, dog < 40-60bpm
- Tachycardia: cat >240 bpm, dog >180 bpm
- Irregular heart rhythm
- Perforated or open body cavities
- Distended abdomen
- Hyperthermia >41°C, heatstroke
- Hypothermia <36.7°C
- Stanguria with firm bladder
- Dystocia
- Acute poisoning
- Burns, chemical injury
** If ever in doubt… **
Waiting Room Triage
- things we need verbal consent for
- IV access
- Initial diagnostics & stabilization
- Emergency procedures
- Resuscitation status
Triage Area should have:
- Oxygen supply
- Vascular access supplies
- IV fluids
- ECG monitor
- NIBP monitor (oscillometric, Doppler)
- Stocked crash cart
- In-house laboratory equipment
basic emergency drugs should be on hand to treat what conditions
hyperkalemia
hypoglycemia
hypocalcemia
seizures
cardiopulmonary resuscitation
malignant ventricular arrhythmias
anaphylaxis
Primary Survey - what does it assess? when should we start CPR?
ØRoutine approach to emergency patient:
- Airway
- Breathing
- Circulation
- Disabilities
> unresponsive, apneic patient > start CPR
ØMajor body systems: respiratory, cardiovascular, central nervous
ØBrief pertinent history (presenting complaint):
- signalment, 1° problem, onset & progression, treatment, preexisting disorders - medications, dose, timing
Respiratory System Evaluation
- what do we do / look for in our visual exam?
Ø Hands-off visual examination:
- Orthopnea, nostrils flare, cheek puffing, skin sucking
- ↑ insp. effort: upper airway obstruction
- ↑ exp. effort: intrathoracic lower airway obstruction
- Rapid shallow breathing: pleural space disease, ↓ lung compliance
- Paradoxical breathing
- Cyanosis (SpO2 < 75%, PaO2 40-50 mmHg)
- Brown MM: methemoglobinemia (e.g. acetaminophen toxicity)
Respiratory System Evaluation
- what do we look for with our thoracic auscultation?
- Stertor (snore) vs. stridor (high-pitched noise): upper airway issues
- Wheezes (whistling): small airway inflammatory disease
- Crackles: pulmonary edema, pneumonia, contusions
- Dull / quiet: pleural space disease, lung consolidation
Respiratory System Evaluation
- what do we look for with pulse oximetry? what is normal vs abnormal?
- 100% hyperoxemia (PaO2 >110 mmHg)
- > 95% normal (PaO2 80-110 mmHg)
- <90% severe hypoxemia (PaO2 <60 mmHg)
basic components of respiratory system evaluation
Ø Hands-off visual examination
Ø Thoracic auscultation
Ø Pulse oximetry
first part of emergency stabilization
- what should we do?
- what do we do to stabilize respiratory system?
Ø Minimize stress + handling
Ø Sedation, sedation, sedation
- Butorphanol 0.2-0.4mg/kgIV,IM
- Acepromazine 0.01-0.05mg/kgIV
ØOxygen supplementation
- Flow by, mask
- Hood, cage
- Nasal prongs, intranasal cannula (unilateral, bilateral)
- High flow nasal cannula
Ø Endotracheal intubation + positive pressure ventilation
Ø Emergency tracheostomy
Ø Thoracocentesis
Cardiovascular System Evaluation
- main things we look at
Ø Perfusion parameters
Ø Heart auscultation + pulse assessment
Ø Shock index (HR ÷ systolic BP) >1.0
Ø ECG rhythm
Ø Non-invasive blood pressures
Cardiovascular System Evaluation
- what perfusion parameters do we look at?
- Pale / white / grey muddy vs. injected MM
- Prolonged vs. rapid CRT
- Cool extremities / hypothermia vs. pyrexia
Cardiovascular System Evaluation
- what heart auscultation and pulse assessment parameters do we look at?
- Tachycardia, bradycardia
- Muffled heart sound, high-grade heart murmurs
- Arrythmia, pulse deficits
- Weak, thready vs. bounding pulses
what is the shock sequence of events?
- poor tissue perfusion
> decreased tissue DO2
> critical tissue hypoxia
> multiorgan dysfunction
> death
Cardiovascular System Evaluation
- what should we assess about ECG rhythm?
- Ventricular tachycardia
- Supraventricular tachycardia
- Atrial fibrillation
- 1-3° AV blocks
- Torsade de pointes
- Ventricular fibrillation
Cardiovascular System Evaluation
- what systolic and mean blood pressures are problematic?
- Systolic <90 mmHg, >200 mmHg
- Mean <60 mmHg
Emergency Stabilization for cardiovascular sysytem
- what do we need? what if there is V-tach?
Ø Vascular access
- Short, large IV catheter
- IO catheter
- Cut down approach
Ø Intravenous fluid resuscitation
- Pressure infusion bag vs. fluid pump
Ø Vasopressors, antiarrhythmics, pericardiocentesis
ØFour (4) criteria to treat V-Tach:
i. symptomatic
ii. >160-180 bpm
iii. polymorphic / multiform ventricular premature complexes (VPCs)
iv. R-on-T phenomenon
Ø Lidocaine bolus: 2 mg/kg IV, can be repeated - toxic dose 🐕: 10 mg/kg
- toxic dose 🐈: 5 mg/kg - avoid
Ø Followed by lidocaine CRI: 25-80 ug/kg/min
Four (4) criteria to treat V-Tach:
i. symptomatic
ii. >160-180 bpm
iii. polymorphic / multiform ventricular premature complexes (VPCs)
iv. R-on-T phenomenon
Central Nervous System Evaluation
- what should we assess?
Ø Mentation / level of consciousness
Ø Pupils
Ø Cushing’s reflex
Ø Posture
Ø Gait (ambulatory) vs. spinal integrity (non-ambulatory)
Central Nervous System Evaluation
- what do we assess about level of consciousness?
- Obtunded»_space; stuporous (painful stimuli)»_space;> comatose
- Tremor vs. seizures
Central Nervous System Evaluation
- what do we assess about pupils?
- Anisocoria, pinpoint vs. fixed & dilated, -ve PLR: midbrain (CN III nucleus)
- Strabismus (CN III, IV, VI)
- -ve physiologic nystagmus: brainstem pathway (CN VIII, MLF, III, IV, VI)
Central Nervous System Evaluation
- what is cushing’s reflex?
CPP = ↑↑ MAP - ↑ ICP
- Hypertension, reflex bradycardia
Central Nervous System Evaluation
- what do we assess about posture?
- Decerebrate (severe midbrain-pons) vs. decerebellate (cerebellum) rigidity
- Schiff-Scherrington (T3-L3)
- Cervical ventroflexion: severe hypokalemia
Central Nervous System Evaluation
- what do we assess about Gait (ambulatory) vs. spinal integrity (non-ambulatory)?
- Motor activity: paresis vs. paralysis
- Spinal reflexes
- Deep pain
Emergency Stabilization for seizures?
(rule out hypoglycemia, hypocalcemia)
- Benzodiazepines IV, PR, IN, CRI
> Diazepam 0.5 mg/kg
> Midazolam 0.3 mg/kg
- Phenobarbital, levetiracetam
- GA: propofol, isoflurane
Emergency Stabilization for increased ICP?
- Hypertonic saline 3-5 mL/kg IV
- Mannitol 0.5 g/kg over 20 mins IV
Emergency Stabilization if you suspect spinal instablity?
- Immobilization
Emergency Stabilization for hypoglycemia
- 50% dextrose bolus: 0.5-1.0 mL/kg IV (at least 1:1 or 1:4 dilution)
- recheck (30 mins) ± repeat bolus
- consider 2.5% or 5% dextrose CRI
- no vascular access: corn syrup PO
Emergency Stabilization for hypocalcemia
- 10% calcium gluconate: 0.5 mL/kg slow IV
- with ECG monitoring
how do we assess urogenital system and abdomen for triage
ØShort abdominal palpation
- Large, firm bladder: urethral obstruction
ØReproductive emergency
- Dystocia
- Priapism
- Paraphimosis
ØExternal injuries
- Active hemorrhage, open wounds
- Prolapsed organ
- Fractures
Ø Intoxication
ØSignificant pain
POCUS
Preliminary Diagnostics for emergency care
ØMinimum emergency database
- PCV, TS
- Blood glucose
- Electrolytes (Na+, K+, Cl-, iCa2+)
- Blood gas (pH, PCO2, HCO3-, ABE)
- Lactate
- BUN
- Activated clotting time (~aPTT)
ØSave extra blood: EDTA + serum / heparin»_space;> citrate
Emergency Stabilization for hyperkalemia
- 10% calcium gluconate 0.5-1 mL/kg IV over 2-5 mins with ECG monitoring
- regular insulin 0.25-0.5 U/kg IV + 50% dextrose 2-4 mL/U insulin (diluted 1:1)
- 50% dextrose: 1-2 mL/kg IV bolus (diluted 1:1)
- Transient: address underlying cause!
Triage Diagnostics - what do we examine?
Ø Pleural / abdominal effusion
Ø Urine
Septic process
Uroabdomen
Bile peritonitis
Blood smear
Fluid cytology
Triage Diagnostics
- what do we do to examine pleural / abdominal effusion?
- PCV, TS: recent hemorrhage
- TS, cytology: transudate vs. modified transudate vs. exudate
- In-house fluid analysis: septic, uroabdomen
- In-house fluid cytology: septic, neoplasia
- Extra: fluid cytology, bacterial culture & antimicrobial susceptibility testing
Triage Diagnostics
- what do we do to examine urine?
- USG
- Urine dipstick: ketonuria, glucosuria, proteinuria, heme
- Extra: UA, bacterial culture & antimicrobial susceptibility testing
Triage Diagnostics
- how do we assess a septic process?
Blood - effusion glucose = >1.1 mmol/L Effusion - blood lactate = >2.0 mmol/L
Triage Diagnostics
- how do we assess a uroabdomen?
Effusion: serum K+ (dog) = >1.4:1
Effusion: serum K+ (cat) = >1.9:1
Triage Diagnostics
- how do we assess a bile peritonitis?
Effusion: serum bilirubin = >2:1
Triage Diagnostics
- how do we assess a blood smear?
Platelet clumps
Normal platelets: 8-15 plt/hpf
Spontaneous bleeding: <2 plt/hpf
Triage Diagnostics
- how do we assess fluid cytology?
Cellularity: cell population
Neutrophils: degenerated
Intracellular bacteria: rod, cocci, etc.
what is included in the secondary survery?
ØFull PE
ØThorough history
ØProblem lists
ØDiagnostic plans
ØFull discussion
- Significant findings
- Prognosis
- Financial implications
- Informed, written consent