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Pet Owner Level · Saturday April 11, 2026 · Fundamentals

Fundamentals — Vital Signs -- How to Check Your Pet's Health at Home

Your pet cannot tell you when something is wrong -- but their body can. Learning to check vital signs at home gives you a powerful early warning system.

April 11, 2026
5 min read
Dogs & Cats
beginner
Apr 11 2026

Your Pet's Health Dashboard

Vital signs are the body's most basic health measurements. Veterinarians call this a TPR assessment -- Temperature, Pulse, and Respiration. Think of them as your pet's personal health dashboard. When something is wrong, these numbers are usually the first to change.

The most important thing you can do right now is learn your pet's normal numbers. Write them down. Your personal baseline is far more useful than textbook averages when something seems off later.

Temperature

Taken rectally with a lubricated digital thermometer. Normal: Dogs 101-102.5F | Cats 100.5-102.5F. Above 103F = fever, call your vet. Above 104F = heat stroke emergency. Below 99F = hypothermia.

Pulse and Heart Rate

Feel the femoral artery on the inside of the upper thigh. Count 15 seconds x 4. Large dogs: 60-100 bpm | Small dogs: 100-140 bpm | Cats: 140-220 bpm. Cats naturally have fast hearts -- do not panic if it seems quick.

Respiration Rate

Count chest rises for 30 seconds x 2. Dogs: 15-30/min | Cats: 20-30/min. Open-mouth breathing in a cat is always an emergency -- go to a vet immediately.

Gum Color and CRT

Pink and moist = normal. Pale or white = possible shock. Blue or purple = oxygen emergency. Yellow = possible liver disease. Tacky or dry = dehydration. Press gum firmly, release -- color should return in under 2 seconds (Capillary Refill Time).

Your Homework

This week, check your pets vitals when they are healthy and calm. Write the numbers down. Your personal baseline is far more useful than textbook averages when something seems off later.

Fundamentals beginner 🐕 Dogs 🐈 Cats 🏠 Pet Owner
Sources & Further Reading
Merck Veterinary Manual -- Physical Examination: Vital Signs. merckvetmanual.com
AVMA -- Pet Owner Resources. avma.org
VCA Animal Hospitals -- How to Take Your Pet's Vital Signs. vcahospitals.com
Cornell University College of Veterinary Medicine. vet.cornell.edu
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April 11, 2026 — Pet Owner Level Fundamentals
April 12, 2026 — Body Condition Scoring
🧪
Go Deeper — Vet Tech Level
TPR Assessment Protocols and Clinical Documentation
Vet techs learn to assess these same vital signs using clinical protocols, documentation standards, and specific red-flag thresholds. Want to see how it works in a real clinic?
Read Vet Tech Level
🎓
Go Even Deeper — Pre-Vet Level
Hemodynamic Physiology and Clinical Interpretation
Pre-vet students go even deeper -- learning the hemodynamic physiology behind every vital sign change and what it tells us about cardiovascular and respiratory function at a systems level.
Read Pre-Vet Level
Apr
12
Next Lesson — Sunday April 12, 2026
Body Condition Scoring -- Is Your Pet a Healthy Weight?
Nutrition
See Lesson