Diagnostics

Workup guides for lab testing, imaging decisions, staging, screening, and result interpretation across common small-animal problems.

Audience

Pet owners trying to understand the next test, and veterinary teams framing a diagnostic pathway.

Editorial Job

Show what each test can and cannot answer, and when referral or urgent care changes the plan.

190 articles in this category · showing 11–20.

Last updated 2026-10-05

Topic Map

Drug Safety & Toxicology123 Clinical Pathology60 Dermatology51 Vaccination & Infectious Disease41 Gastroenterology38 Endocrinology31 Oncology28 Canine Osteoarthritis27 Diagnostic Imaging27 Antibiotics & Anti-Infectives23 Cardiology20 Urology18 Feline CKD13 POCUS4

A calm adult golden retriever sleeping on a grey floor mat in a veterinary exam room, with a stainless-steel table and wood cabinets in the background.

DiagnosticsSeptember 21, 2026 · 24 min read

Dog Vaccine Titers: Immunity Questions vs Legal Vaccination Requirements

When dog vaccine titers make clinical sense, how they differ from rabies legal requirements, and what vaccination certificates, state laws, and travel rules…

Ran Chen

A relaxed golden retriever sleeping on a padded veterinary exam table, with an out-of-focus ultrasound unit on a stand behind it

DiagnosticsSeptember 20, 2026 · 24 min read

Before a Dog's Ultrasound: Fasting and Medication Questions for the Clinic

A clinical guide to fasting, water, medication, and bladder prep for a dog's ultrasound, comparing study types, veterinary consensus, and high-risk exceptions.

Ran Chen

A relaxed white-and-tan puppy sleeping on a padded veterinary exam table in a quiet clinic room

DiagnosticsSeptember 19, 2026 · 23 min read

The BAER Hearing Test for Dogs: What the Result Can Establish

A canine BAER test establishes whether each ear hears clicks at protocol intensity. Learn how to interpret OFA and Kennel Club labels, air versus bone testing,…

Ran Chen

A relaxed dog resting on a veterinary examination table next to an unbranded tray of glass microscope slides prepared for cytology evaluation

DiagnosticsSeptember 11, 2026 · 29 min read

A Nondiagnostic Cytology Result: What Pet Owners Should Ask Next

When a pet's lump cytology returns nondiagnostic, understand why the slide failed, what inconclusive reports mean, when biopsy is required, and the exact…

Ran Chen#Clinical Pathology

A calm mixed-breed dog seated on an exam-room bench beside a closed blue records folder, blank notepad, and amber medication bottles in a quiet veterinary clinic.

DiagnosticsSeptember 9, 2026 · 25 min read

First Veterinary Oncology Visit: Records, Estimates, and Questions

A practical guide to the first veterinary oncology consult: which records and diagnostic images to transfer, how to interpret three-layer estimates, and…

Ran Chen#Oncology

A calm golden retriever on an exam table beside an ophthalmoscope, diagnostic lenses, and a tablet showing waveform traces.

DiagnosticsSeptember 8, 2026 · 39 min read

Sudden Blindness in Dogs: Why Overnight Vision Loss Needs an ERG Before Calling It SARDS

Why overnight bumping into furniture is an emergency until glaucoma and detachment are ruled out, why SARDS requires an ERG, and what clinical cohorts prove.

Ran Chen#Emergency & Critical Care #Diagnostic Imaging

Beagle on a veterinary exam table beside a stethoscope, an inward-airflow graphic at the muzzle, and a tablet showing a canine nasal anatomy diagram.

DiagnosticsSeptember 7, 2026 · 43 min read

Reverse Sneezing in Dogs: Why the Inward Honk Is Not Choking or Collapsing Trachea

Why a 20-second inward honk is reverse sneezing rather than choking or collapsing trachea, what investigated cohorts reveal about nasopharyngeal disease, and…

Ran Chen#Emergency & Critical Care #Diagnostic Imaging

Cavalier King Charles Spaniel on a clinic exam table wearing a Holter vest beside an ECG monitor and a diagnostic clipboard.

DiagnosticsSeptember 6, 2026 · 36 min read

Syncope in Dogs: Faint vs Seizure, Cough Triggers, and Why Clinic ECGs Miss It

Why a brief canine collapse after coughing is syncope rather than a seizure or heart failure, why clinic ECGs miss it, and how Holter monitoring guides…

Ran Chen#Cardiology #Emergency & Critical Care

Golden Retriever on a veterinary exam table beside an ultrasound tablet, canine-versus-human prostate diagrams, and a crossed-out herbal-supplement bottle.

DiagnosticsSeptember 5, 2026 · 37 min read

Enlarged Prostate in Dogs: Canine BPH vs Human Signs, Pills, and Treatments

Why canine enlarged prostate (BPH) causes bloody drips and ribbon stools instead of human weak-stream signs, why store pills fail, and when castration or…

Ran Chen#Urology

A yellow Labrador in a veterinary exam room beside a glucose meter, blood tubes, a diagnostic report, and a jar of honey used as seizure first aid.

DiagnosticsSeptember 3, 2026 · 38 min read

Insulinoma in Dogs: Surgery Series, Paired Testing & Why Sugar Is First Aid

Canine insulinoma diagnosis and management: paired glucose-insulin testing, Cleland & Del Busto surgical outcomes, ultrasound limits, and emergency sugar first…

Ran Chen#Endocrinology #Oncology