Normal ECG Values for Various Species

Species

Normal HR (bpm)

P-R Interval (s)

QRS Duration (s)

Q-T Interval (s)

Canine

70-160

0.06-0.13

0.05-0.06

0.15-0.25

Feline

120-240

0.05-0.09

max 0.04

0.12-0.18

Equine

25-50

0.22-0.56

0.08-0.17

0.32-0.64

Bovine

48-84

     

Ovine

70-80

     

Caprine

70-120

0.08-0.15

0.03-0.06

0.22-0.38

Porcine

70-120

     

Alligator

33-43

 

0.085-0.127

0.99-1.37

Turtle

16-37

0.44-0.56

0.10-0.18

1.06-2.28

Pinniped (Seal)

60-150

0.14-0.22

0.065-0.12

0.24-0.46

Hummingbird

428-460

     

Parakeet

620-760

0.01-0.04

0.01-0.03

 

Quail

380-540

40-50

10.0-17.5

60-120

Parrot

280-780

0.03-0.07

0.01-0.02

 

Owl

180-360

0.06-0.08

0.01-0.03

 

Ostrich

       

Mouse

450-750

     

Rat

250-400

     

References

rbtn_pre.gif (1750 bytes)rbtn_hom.GIF (861 bytes)rbtn_nex.gif (1502 bytes)