Equine asthma - overview Flashcards
Name the 2 different classifications of equine asthma syndrome
Severe Equine Asthma sEA
Mild to moderate asthma mEA
What age does mEA (Mild to moderate asthma ) occur
young (any age possible)
what age does sEA occur
> 7 yrs
List 4 clinical signs of mEA (Mild to moderate asthma )
NO resting dyspnoea (laboured breathing)
occasional cough
clinical signs last >3 weeks
reduced performance
List 4 clinical signs of sEA (Severe Equine Asthma)
frequent cough
decreased performance
WITH resting dyspnoea
variable
Describe the progression of mEA
spontaneous improvement without treatment
no recurrence
describe the progression of sEA
long term treatment/ management
reccurence
decsribe the history associated with mEA
stabled
describe the history associated with sEA
stabled or on pasture
seasonality
familial history
what will be see with endoscopy with mEA
More than normal tracheal mucus +1- +3
what will we see with endoscopy with sEA
Tracheal mucus+ 1 –> +5 (a lot more than normal)
what do you see on cytology with sEA
A lot of neutrophils- above 25% of nucleated cells
Describe the progression of equine asthma from mild to severe
mild= poor performance
moderate= cough, nasal discharge during exercise
severe= signs at rest
describe the aeitiology of equine asthma
Strong association with environment & feeding
Inflammation is Central to Syndrome
Mechanisms poorly understood
how big is the breathing zone of a horse
30cm around horse’s nose
