Cardiology
intermediate
🌐 All Species
🧪 Vet Tech
Clinical starting point
RECOVER-style CPR is a coordinated sequence, not a collection of isolated maneuvers. The team must recognize arrest, start high-quality basic life support, assign roles, minimize pauses, perform rhythm checks, deliver indicated drugs or defibrillation, and transition immediately into post-arrest care when circulation returns.
Intake and documentation priorities
Document arrest recognition time, start of compressions, compressor changes, ventilation method and rate, ECG rhythms, pulse checks, drugs and doses, defibrillation energy, end-tidal CO2 trends, return of spontaneous circulation, and post-arrest parameters. Closed-loop communication is as important as the equipment.
When to escalate to the veterinarian
- ETCO2 remains very low despite apparently adequate compressions
- organized electrical rhythm without palpable pulses
- shockable rhythm requiring defibrillation
- ROSC followed by hypotension, hypoxemia, arrhythmia, or neurologic deterioration
Key clinical concerns
The plan changes with ECG rhythm, ETCO2 trend, witnessed versus unwitnessed arrest, suspected cause, and response to the first compression cycle. ROSC changes priorities immediately toward oxygenation, perfusion, temperature, glucose, ventilation, arrhythmia control, and neurologic protection.
Common intake, handling, and client-education mistakes
- Pausing compressions for prolonged intubation, pulse checks, or medication preparation.
- Ventilating too rapidly and reducing venous return.
- Failing to rotate compressors before fatigue lowers compression quality.
- Omitting time-stamped documentation that the team needs for rhythm and drug cycles.
Real-life clinic example
A hospitalized dog arrests during treatment for GDV. One technician starts compressions, another ventilates and confirms the tube, a third records cycles and drugs, and the veterinarian leads rhythm decisions. ETCO2 rises after compressor rotation, and ROSC is recognized without a prolonged interruption.
Distinguishing this from look-alike presentations
Distinguish true arrest from syncope, seizure, profound shock, opioid-induced hypoventilation, and respiratory arrest with residual circulation. During CPR, separate shockable rhythms from asystole, pulseless electrical activity, and perfusing rhythms. Reversible causes include hypoxia, hypovolemia, electrolyte disturbance, tamponade, tension pneumothorax, thrombosis, and toxins.
| Finding | Clinical meaning | Team response |
|---|
| Unresponsive | Possible arrest or severe neurologic crisis | Call emergency care immediately |
| Not breathing normally | Agonal gasps do not count as normal breaths | Begin CPR if trained |
| Chest compressions | Provide temporary blood flow | Use correct position and rapid rhythm |
| Return of breathing | Does not end the emergency | Transport for post-arrest care |
Questions to clarify during intake or handoff
- What CPR technique is recommended for my pet’s body shape?
- What caused the arrest or collapse?
- What monitoring is needed after return of circulation?
- Are there preventable risks we should address at home?
What would change the plan?
The plan changes with ECG rhythm, ETCO2 trend, witnessed versus unwitnessed arrest, suspected cause, and response to the first compression cycle. ROSC changes priorities immediately toward oxygenation, perfusion, temperature, glucose, ventilation, arrhythmia control, and neurologic protection.
What this guidance is based on
The workflow reflects standard veterinary nursing texts, specialty guidance where available, and common hospital safety practices. Clinic protocols and veterinarian direction take priority when they differ.
Clinical pearl
Document the detail that changes the decision. A focused timeline, specific finding, or verified trend is more actionable than a broad label.
Mini case study
CPR and RECOVER Principles: technician mini-case
Presentation
A patient arrives for a concern related to CPR and RECOVER Principles. The history sounds ordinary at first, but intake reveals a mismatch between the owner’s wording and the patient’s current state. There may be an extra clue in mentation, perfusion, pain, or how quickly the sign is changing while the patient is in the room.
Triage and documentation priorities
Document the doorway impression before intervention if possible. Capture the timeline, major trend, current severity, and the details that make this topic more dangerous than average. For this case, the most useful anchor points would be energy and exercise tolerance, breathing at rest, gum color.
When to escalate
Notify the veterinarian promptly if the pattern suggests decompensation rather than a stable isolated complaint. Escalation is especially important when the problem is paired with collapse, increasing pain, rapidly worsening effort, poor perfusion, abnormal mentation, or a change that makes routine handling unsafe.
Clinical pearl
A strong technician note does not just repeat the complaint. It shows what changed, when it changed, and why the case no longer fits the owner’s reassuring first description.
Intake cue
Turn the story into objective data
Capture age, weight, nursing/eating, warmth, hydration, diarrhea, vomiting, weakness, and vaccine/deworming history and pair it with TPR, mentation, mucous membranes, pain, hydration, and respiratory effort.
Escalation
Escalate pattern changes early
Do not wait to notify the veterinarian if weakness, not nursing, or diarrhea, not eating, collapse, or rapid progression, abnormal mentation, poor perfusion, or fast worsening appears.
Communication
Use careful language
Avoid reassuring language before the veterinarian has assessed stability. Explain what you are monitoring and why the team may move quickly.