What does the murmur grading scale actually measure?
Loudness and how easily it's detected, on a six-point scale from barely audible up to felt-through-the-chest, which helps guide how urgently imaging is warranted.
Quick answer
What does the murmur grading scale actually measure?
Loudness and how easily it's detected, on a six-point scale from barely audible up to felt-through-the-chest, which helps guide how urgently imaging is warranted.
What your vet actually heard was a sound, and turning that sound into a real answer takes a grade, a location, and often an imaging appointment.

Owners hearing the word murmur for the first time at a checkup and unsure whether to panic, shrug it off, or ask for more testing right there in the exam room.
This guide is not medical advice. If your dog shows pain, sudden behavior change, or worsening symptoms, consult a licensed veterinarian.
Some links may be affiliate links. We may earn a commission at no extra cost to you. We only suggest products we believe are helpful for dog owners.
A heart murmur is simply the audible trace of turbulent blood flow inside the heart, picked up with a stethoscope and ranked on a six-point loudness scale. In the Chinese Shar-Pei, that sound can mean anything from a harmless quirk to the earliest sign of developing valve wear, and it's the combination of grade, timing, and imaging, not the sound by itself, that tells the two apart.
This is a routine finding across aging dogs of nearly every breed, and the Chinese Shar-Pei is no exception. It comes up often enough at senior wellness visits that a first-time discovery shouldn't cause alarm on its own, though its grade and any change over successive years is always worth tracking.
Nothing about this breed's build directly produces this sound the way, say, a giant breed's chest depth predisposes to certain issues, but the population's narrow genetic base following its near-extinction decades ago means any inherited valve or structural tendency, where it exists, can be somewhat concentrated across today's dogs.
Excitement, fever, and even the stress of a clinic visit can temporarily make an existing sound louder or easier to detect, which is exactly why vets note the surrounding circumstances alongside the grade rather than treating any single reading as the final word.
Reach out promptly if a previously mild finding suddenly sounds louder, or if your dog develops a new cough, faster breathing, reduced stamina, or a fainting episode alongside it. Together these can mean the underlying cause is progressing and deserves reassessment sooner than your next scheduled checkup.
Start here: Chinese Shar-Pei Most Common Genetic Disorders: Screening
See all Chinese Shar PEI health problems, which breeds are prone to heart murmurs, or the full Chinese Shar PEI breed guide for temperament, exercise needs and ownership costs.
A first-time finding is typically followed by an echocardiogram within a few weeks to pin down the cause. After that, rechecks every six months to a year are standard unless the grade is high or symptoms appear, in which case follow-up moves up considerably.
Success looks like an unchanged grade across repeated exams, no accompanying symptoms, and a clear picture from imaging of exactly what's producing the sound, rather than years of living with an unexplained finding.
Vets rank a murmur's intensity on a six-point scale, running from a whisper so faint it takes a second careful pass with the stethoscope to confirm, up to a vibration strong enough to feel through the chest wall with a bare hand. A faint, low-grade sound picked up in a young, otherwise healthy-looking dog is sometimes nothing more than blood moving a little turbulently through a heart that's still perfectly normal structurally, occasionally something a growing puppy even outgrows entirely. Once the intensity climbs into the middle or upper part of that scale, or the sound appears for the first time in a dog well past its puppy years, the odds shift meaningfully toward an actual physical cause behind it, and that shift is usually what prompts a vet to stop watching and start imaging.
Loudness alone only tells half the story. A cardiologist also pays close attention to exactly where on the ribcage the sound is strongest and which part of the heartbeat cycle it falls within, and together those two details point toward a specific valve rather than a vague, generalized heart issue. Sound concentrated over the lower left side of the chest during the heart's squeeze phase, for instance, tends to implicate the valve between the heart's left chambers, the single most frequently affected valve in aging dogs across countless breeds. A general practice vet picking up a new sound in your dog isn't expected to name the exact underlying cause on the spot from these clues alone, but documenting grade, timing, and location precisely in the chart is exactly what sets up a meaningful referral rather than a vague note to "keep an eye on it."

If you think your Chinese has heart murmurs, the plan is three steps: write down what you have seen and when it started, book a veterinary appointment rather than waiting for the next flare, and take video of the behaviour or symptom before you go — the thing you are worried about rarely happens in the consulting room. Screening in the parents covers skin fold dermatitis, entropion, familial shar-pei fever.
What the vet visit should produce is a diagnosis and a written plan, not just reassurance: what is being ruled out, what the monitoring interval is, and which signs mean you come back sooner. Ask what the treatment costs across a year rather than per visit, because that is the number that decides whether you are managing this condition or reacting to it.
Between appointments, keep a short log — dates, what you saw, what changed. It is the single most useful thing an owner brings to a follow-up, and for heart murmurs it is often what separates a clear pattern from a guess.
Daisy, a five-year-old Shar-Pei in Portland, had a spotless cardiac history at every prior exam, so when her vet paused mid-checkup and reached for the stethoscope a second time, her owner's stomach dropped. What she'd caught was faint, a low Grade II at most, audible only with careful, repeated listening. Rather than waiting a year to see whether it changed, her vet suggested a baseline echocardiogram right away. The scan turned up very early, mild thickening in one of Daisy's heart valves, nothing requiring medication yet, just a shift to six-month rechecks instead of annual ones. Daisy's owner left with a concrete plan rather than a lingering question mark.
Key takeaway: A newly heard sound is an invitation to get a real answer through imaging, not a verdict delivered on the spot, and acting on that invitation early is what gave Daisy's owner an actual monitoring plan instead of a year of uncertainty.
No. Plenty of soft, low-grade murmurs, especially in young dogs, reflect nothing more than harmless turbulence in an otherwise normal heart. Louder grades or a sound newly appearing in an older dog carry meaningfully more weight and typically call for imaging.
On a six-point intensity scale, from barely detectable with careful listening up to a vibration strong enough to feel through the chest without a stethoscope at all. Louder generally tracks with more turbulent flow, though the number alone doesn't confirm what's causing it.
Some faint, innocent-sounding murmurs in young, structurally normal hearts do fade as a puppy finishes developing. A murmur tied to an actual valve or structural change in an adult dog generally persists and needs ongoing monitoring instead.
An echocardiogram, a moving ultrasound image of the heart's chambers and valves, is what shows a cardiologist the real cause rather than leaving it to inference from the stethoscope grade alone.
It's worth a prompt follow-up rather than panic. An increase in loudness over time can signal that whatever's causing it is progressing, and comparing new imaging against a prior baseline is the useful next step.
No, the sound itself causes no discomfort at all. Any actual pain or distress would come from whatever underlying condition is producing it, if that condition progresses far enough to affect breathing or stamina.
No, many go their entire lives without one ever being detected. They show up often enough across aging dogs of nearly every breed that routine listening at each visit is worthwhile, but it isn't a guaranteed part of getting older for this specific breed.
Loudness and how easily it's detected, on a six-point scale from barely audible up to felt-through-the-chest, which helps guide how urgently imaging is warranted.
Often not; faint, innocent-sounding murmurs in puppies can resolve as the heart finishes developing, though your vet should still track it at follow-up visits.
A full cardiology echocardiogram is a real expense on top of the referral fee, commonly running into the hundreds of dollars depending on your region.
Usually yes for mild, unchanging cases, but confirm your dog's activity level with your vet once imaging results come back rather than assuming.
Yes, ask for a full stethoscope check even at appointments booked for something like ears or skin, since this is often exactly how a new finding gets caught early.
A one-page prep sheet for this condition: the signs, the questions to ask, what to get priced. Unlocks here.
You get: Vet visit prep sheet
No spam. One-click unsubscribe. See our privacy policy.
Preview page 1 before you decide.





