Reaction profile

The FDA adverse-event record for abnormal ecg

149 FDA adverse-event reports reference abnormal ecg (VeDDRA 2158). Plate codes and volume neighbourhood below; species, breeds, and drugs follow.

#1188 of 2,481
by report volume (all reactions)
149
reports citing this reaction
40.9%
death-coded share
Dog
most-affected species

Release-over-release change

What changed in the latest FDA data snapshot

PlainBreed reconstructed the prior snapshot from dated openFDA partitions through 2025 Q4, then compared it with the 2026-07-27 openFDA export. Abnormal ECG has 149 reports now versus 149 in that prior snapshot: 0 the same number of (0.0%).

Report change
+0
Death-coded reports
+0
Death-coded share
−0.0 pts

This compares reported-event counts in two source snapshots. It does not establish a change in real-world risk, product safety, or disease incidence.

Subscribe to Abnormal ECG changes

FDA AER · VeDDRA plate

Code 2158 VOL-LOW

VOL-LOW · DEATH-HOT · MID-PACK · PHOTO-FINISH · SPECIES-DOG · DRUG-LEAD · DESK-WIDE · BOOK-FULL

  • VOL-LOW 149 reports
  • DEATH-HOT 40.9%
  • MID-PACK #1188/2481
  • PHOTO-FINISH Administration device…
  • SPECIES-DOG Dog · 87
  • DRUG-LEAD Robenacoxib · 30
  • DESK-WIDE 20 breeds
  • BOOK-FULL 8/8 fields

Nearest volume peer: Administration device NOS, priming issue (±0 reports)

Upper-third death-coded share drives the outcome stamps on this plate; volume band, corpus rank, and co-report peers follow. Not a clinical diagnosis.

Report-volume neighbourhood around Abnormal ECG

Highest and lowest poles plus nearest volume peers, not a full 2,500-reaction corpus board reprint.

Vomiting · highest174348Abnormal ECG · this reaction149Administration device… · near149Application site skin… · near149Burning sensation (sk… · near149Physical product labe… · near149Urinary tract neoplas… · low…10
FDA AER report volume · neighbourhood around Abnormal ECG

Abnormal ECG: high death-coded share in the FDA AER plate

Signature read: Abnormal ECG's 40.9% death-coded share is among the highest in the openFDA reaction corpus. Report volume sits in the middle third of the reaction corpus. Death-coded share is upper-third: 61 of 149 reports (40.9% of named reports). Nearest volume peer: Administration device NOS, priming issue (±0 reports). Lead species Dog (87). Lead co-reported drug Robenacoxib (30).

Read these counts as reporting volume, not risk: per our methodology, A high death-coded share in FDA filings does not prove causation; co-reporting is voluntary temporal association only. Browse the full reactions index or the about page for how PlainBreed frames FDA CVM extracts.

Species Most Affected

Dog 87
Cat 49
Human 6
Lion 3
Tiger 2
Jaguar 1
Horse 1

Breeds Most Affected

Domestic (unspecified) 36
Unknown 13
Retriever - Labrador 9
Boxer (German Boxer) 8
Domestic Shorthair 8
Shih Tzu 5
Shepherd Dog - German 4
Dog (unknown) 4
Terrier - Yorkshire 4
Pinscher - Miniature 3

Associated Drugs

Robenacoxib 30
Dexmedetomidine Hydrochloride 14
Fluralaner Chew Tablets 11
Cefovecin 8
Carprofen 7
Maropitant Citrate 7
Moxidectin 7
Isoflurane 6
Ivermectin 5
Prednisone 5
Sevoflurane 5
Atropine 5
Oclacitinib Maleate 5
Atipamezole Hydrochloride 5
Milbemycin Oxime + Spinosad 5
Propofol 4
Butorphanol 4
Sarolaner 4
Selamectin 3
Spinosad 3

Nationwide reactions with similar profiles

Two openFDA-derived peer sets for Abnormal ECG, both floored at ≥50 reports so the neighborhoods stay in the advertised mass (the volume chart above is the unfloored photo-finish strip).

Similar death-coded share

Nearest other reactions by death-coded share (40.9% here), distinct from the volume row.

What to do with this reaction

A report does not prove a drug caused the reaction; consult a veterinarian before acting on this data.

Source: FDA Center for Veterinary Medicine openFDA Animal & Veterinary Adverse Events (CVM AER) · 2025

openFDA Animal & Veterinary Adverse Events (FDA CVM) for Abnormal ECG (#1188 of 2,481 by report volume); death-coded 40.9%. PlainBreed reaction plate · death-coded share stamp 40.9% · vintage 2025.

Informational only. FDA adverse-event reports are voluntary and do not prove causation; consult a veterinarian before acting on them. Verify with FDA CVM →