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Your Dog Was Just Diagnosed with DCM

A 7-Day Action Plan

A step-by-step guide for the first week after a DCM diagnosis. Print this page or save as PDF to keep it handy.

1

Day 1 — Breathe

A DCM diagnosis is scary, but it is not a death sentence. Many dogs live comfortably for years with the right treatment. Today, your only job is to process this news. Write down exactly what your vet told you:

  • What stage is your dog at? (occult / overt / CHF)
  • What tests were done? (echo, Holter, bloodwork?)
  • What medications were prescribed?
  • When is the next appointment?
2

Day 2 — Understand the diagnosis

Learn what DCM is and what your dog's specific results mean. Key things to understand:

  • DCM = the heart muscle weakens and chambers enlarge
  • Occult = disease present but no outward symptoms (this is actually good — early detection)
  • Overt / CHF = symptoms present (cough, breathing changes, fluid)
  • Treatment started early can significantly extend your dog's life

Read: heartdogclub.com/articles/dcm-stages-explained

3

Day 3 — Find a cardiologist

If you haven't already, get a referral to a board-certified veterinary cardiologist (DACVIM-Cardiology). Your regular vet is great, but a cardiologist has years of specialized training in exactly what your dog needs.

  • Ask your vet for a referral
  • Search our directory: heartdogclub.com/cardiologists
  • Call to schedule — wait times can be weeks, so book now
  • Ask if they need any records sent ahead of time
4

Day 4 — Learn your medications

Understand what each medication does and why it was prescribed. Common DCM medications include:

  • Pimobendan (Vetmedin) — strengthens the heart, reduces workload. Give on empty stomach.
  • Sotalol — controls arrhythmias. Never stop abruptly.
  • Furosemide (Lasix) — removes excess fluid. Always provide fresh water.
  • Benazepril / Enalapril — reduces cardiac workload.

Read: heartdogclub.com/medications

5

Day 5 — Start tracking respiratory rate

This is the single most valuable thing you can do at home. A rising resting respiratory rate is often the first sign that heart failure is worsening.

  • Wait until your dog is resting quietly or sleeping
  • Count breaths (one rise + fall = one breath) for 30 seconds
  • Multiply by 2 = breaths per minute
  • Normal: under 30. Watch zone: 30–40. Call vet: above 40.
  • Track daily — trends matter more than single readings

Use our free tracker: heartdogclub.com/tools/rr-tracker

6

Day 6 — Review diet & supplements

Talk to your vet about your dog's diet and whether supplements might help. Common questions to ask:

  • Should we add taurine or L-carnitine?
  • Is our current food appropriate? (especially if grain-free)
  • Should we restrict sodium?
  • What about fish oil / omega-3 fatty acids?
  • Are there any foods or treats to avoid?
7

Day 7 — Make a long-term plan

You've done the hardest week. Now set up for the long haul:

  • Set up a medication schedule with alarms
  • Schedule follow-up screening (typically 2–4 weeks after starting treatment)
  • Start a simple log: medications given, respiratory rate, any observations
  • Look into financial assistance if costs are a concern
  • Connect with other dog parents going through this — you are not alone

Questions to Ask Your Cardiologist

What stage is my dog's DCM?
What were the specific echo measurements? (LVIDd, FS%)
How many VPCs were on the Holter? Any ventricular tachycardia?
What medications do you recommend and why?
When should we recheck? (Holter, echo, bloodwork)
What symptoms should I watch for at home?
What is a normal resting respiratory rate for my dog?
Are there any activity restrictions?
Should we add supplements (taurine, L-carnitine, fish oil)?
What is the prognosis for my dog specifically?

Daily Respiratory Rate Tracker

Count breaths for 30 seconds while your dog sleeps, multiply by 2. Normal is under 30. Call your vet if consistently above 40.

DateTimeBPMNotes
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Or use our free digital tracker: heartdogclub.com/tools/rr-tracker

Medication & Supplement Log

Record all medications and supplements your dog is taking.

MedicationDoseFrequencyWith food?Started
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