Exercise intolerance

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Exercise intolerance

  • 9 year old FN Collie who has developed exercise intolerance. History of diaphragmatic hernia repair years ago
  • She will be need to lie down during exercise (can’t move further even though really wants to get up) and pants heavily at this time. Also panting more at rest. 
  • Bradycardic on PE, HR around 40-50 but can increase to 60+ when stimulated
  • Bloods, thoracic and abdominal xrays, abdominal scan (done by inhouse vet) and echo all wnl 
  • ECG showed sinus bradycardia with deep t waves, is this artefact or relevant? 
    • 9 year old FN Collie who has developed exercise intolerance. History of diaphragmatic hernia repair years ago
    • She will be need to lie down during exercise (can’t move further even though really wants to get up) and pants heavily at this time. Also panting more at rest. 
    • Bradycardic on PE, HR around 40-50 but can increase to 60+ when stimulated
    • Bloods, thoracic and abdominal xrays, abdominal scan (done by inhouse vet) and echo all wnl 
    • ECG showed sinus bradycardia with deep t waves, is this artefact or relevant? 
    • Could this be a sick sinus syndrome? no tachycardia noted. 
    • Holter is the next step, is there anything that should be considered prior to this?

     

Comments

Peter

Hi
Based on this ECG I would

Hi

Based on this ECG I would look for right heart disease or Hyperkalemia first. The recording does not really support the theory of Sick Sinus Syndrome since the P waves look normal. However, a Holter ECG would be necessary to rule out SSS  – and I would recommend a Holter anyway if echo and potassium are normal.

Hope that helps!

Peter

 

 

veteurope1

Yes it does thank you. 
 

Yes it does thank you. 

 

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