Stethophone Canada

Home
Canada
Halifax, NS
Stethophone Canada

AI Phonoscopy for rapid assessment of structural and rhythmic issues
Health Canada licensed

06/18/2026

The ejection (systolic) murmur is one of the most characteristic acoustic findings in cardiology, arising from turbulent blood flow through a narrowed valve opening during ventricular ejection. On a spectrogram, it appears as a high-frequency murmur with a distinctive diamond-shaped, crescendo-decrescendo pattern: the intensity gradually rises, peaks roughly at mid-systole, and then progressively fades.

This murmur begins shortly after the first heart sound (S1) and typically occupies the first two-thirds of systole, after which there is a brief period of silence — a pause — before the second heart sound (S2). This pause preceding S2 is a key acoustic clue that helps distinguish an ejection murmur from other systolic murmurs, such as a pansystolic (holosystolic) murmur.

The classic condition associated with this acoustic pattern is aortic stenosis, where narrowing of the aortic valve obstructs blood flow out of the left ventricle and produces this characteristic turbulence.

📱With Stethophone, heart sounds can be visualized as a detailed spectrogram, supporting recognition of the murmur's shape, duration, and frequency characteristics. This kind of heart sound visualization supports clinicians in the structured assessment of acoustic findings associated with valvular heart disease, particularly in clinically challenging cases.

06/10/2026

When evaluating a Bicuspid Aortic Valve (BAV), the morphological phenotypes are most effectively categorized according to the widely recognized classification system developed by Siegfried Sievers.

Understanding these specific patterns of cusp fusion is not just an anatomical exercise—it is an essential tool in clinical practice. The Sievers classification helps cardiologists accurately define the valve's morphology, which directly dictates the patient's prognosis and guides the long-term management strategy.

As a foundational baseline, you can reference the normal, healthy arrangement of the aortic valve cusps in slide 1 before exploring the various bicuspid phenotypes defined by Sievers.

06/05/2026

A recent study published in Nature Cardiovascular Research sheds light on the biological mechanisms behind genetically driven dilated cardiomyopathy. Researchers discovered that mutations in the RBM20 gene—which are associated with heart failure and ventricular arrhythmias—alter the activity of the CAMK2D protein.

Excitingly, preclinical trials in mouse models demonstrated that inhibiting CAMK2D successfully improved myocardial function and reduced signs of the disease.

While further research is needed to evaluate its safety and effectiveness in humans, this study highlights a vital shift in modern cardiology: moving from merely describing symptoms to understanding and targeting the exact biological processes that drive disease development.

06/02/2026

Programs exploring deployment models or clinical pathway integration can request additional materials. Programs exploring deployment models or clinical pathway integration can request additional materials.

05/26/2026

We are sure that everyone involved in medicine has heard her name. But do you know which specific discovery earned this humble nurse her place in history? Her contributions remain relevant to this day, and her story continues to inspire new generations of medical professionals. ❤

💊💉

05/19/2026

How to hear Barlow's disease (BD)?

For a long time, Barlow's disease remains asymptomatic, but this pathology can be suspected with Stethophone much earlier. ☝️

Barlow's disease is a degenerative lesion of the heart valve apparatus. The mitral valve (MV) is most commonly affected (less frequently other valves). It is characterized by myxomatous thickening of the MV leaflets and their prolapse into the left atrium. ↩️

True Barlow's disease accounts for about 5–10% of all mitral valve prolapse cases, primarily affecting young people.

Why is timely detection so important? 👉 Because Barlow's disease can carry serious risks for the patient:

🔴 Sudden cardiac death (SCD): accounts for 2% of SCD cases among adults.

🔴 Progression of mitral regurgitation to a severe stage.

🔴 Infective endocarditis: the risk is 3–5 times higher than in the healthy population.

🔴 Risk of arrhythmia: ventricular tachycardia, atrial fibrillation.

Diagnostics: AI-phonoscopy with Stethophone 🎧☝️:

Systolic click/clicks in the mid or late systolic phase.

Late systolic murmur (see the sound recording video case above ⬆️).

ECG: changes are non-specific.

Echocardiography: (see the video above ⬆️).

05/13/2026

As a regulated Software as a Medical Device platform, Stethophone is designed to extend cardiovascular detection infrastructure directly into upstream patient encounters. By integrating AI phonoscopy and bioacoustic analysis into everyday clinical flows, such as primary care, urgent care, and hospital intake, cardiac findings are captured early in the care pathway. These findings then become visible, actionable triage signals for cardiology and structural heart programs

By identifying appropriate patients earlier and directing them efficiently into existing care pathways, health systems can achieve:
🔹️Increased Program Yield: Delivering validated referrals, high-yield imaging, and timely valve interventions
🔹️Structured Triage: Optimizing cardiovascular care routing and initial diagnostic cascades (like Echo and CT Angiography)
🔹️Improved Program Outcomes: Driving earlier interventions, lower mortality, better care coordination, and fewer emergency admissions

⚕️Stethophone helps health systems unlock latent demand within their own networks and capture clinical value that would otherwise be missed.

05/11/2026

🩺 National Nursing Week in Canada is observed May 11–17, including May 12, the birthday of Florence Nightingale, whose contributions helped shape nursing into a structured, patient-centered clinical profession grounded in observation and organization.

Today, nurses play a vital role across the entire continuum of care—from assessment and monitoring to coordination, education, and long-term support. Their work strengthens not only patient outcomes but the overall effectiveness of healthcare systems.

🤍 This week, we recognize and appreciate the expertise, dedication, and clinical judgment nurses bring to every setting they serve.
From all of us at Sparrow BioAcoustics and the Stethophone team, thank you for the care, resilience, and compassion you bring to patients every day. We deeply appreciate the hard work you do and remain committed to supporting healthcare professionals with tools designed to strengthen care delivery, patient monitoring, and earlier detection across the healthcare system.
Thank you for the essential work you do every day!

05/05/2026

We are proud of every single member of our team! This week, the star of our spotlight is our Finance Specialist, Maryna Rudenko ❤️
A quick reminder: feel free to drop your questions in the comments below — we’ll make sure to answer all of them. 👇

04/27/2026

Bicuspid Aortic Valve (BAV): How Leaflet Fusion Types Define Patient Risks

A characteristic auscultatory pattern of BAV is present in 60-70% of cases. Most patients with BAV eventually develop a combination of aortic stenosis and regurgitation. Based on the type of aortic valve leaflet fusion, it is possible to partially predict which valvular defect will predominate—stenosis or regurgitation.

BAV Morphological Phenotypes according to Sievers:

1️⃣ RL-type (70-80% of cases) – fusion of the Right (R) and Left (L) coronary leaflets. Aortic stenosis develops more frequently due to constant trauma and accelerated calcification of the fusion site (raphe). Stenosis manifests at least 10-15 years earlier than in a tricuspid aortic valve. It is often associated with coarctation of the aorta (especially in children) and aortic root dilation at the level of the sinuses of Valsalva. It is more common among men.

2️⃣ RN-type (20-30% of cases) – fusion of the Right (R) and Non-coronary (N) leaflets. Aortic regurgitation develops more frequently: disruption of the annular geometry and an often longer free edge of the leaflet lead to prolapse and incomplete closure. There is a higher risk of progressive aortopathy, including dilation and aneurysm of the ascending aorta, and a higher risk of aortic dissection at a young age.

3️⃣ LN-type (3-6% of cases) – fusion of the Left (L) and Non-coronary (N) leaflets. The rarest phenotype, which often follows a clinical course similar to the RN-type and requires differential diagnosis with rheumatic heart disease. (See the normal aortic valve leaflet arrangement in the image above: parasternal short-axis view at the AV level, PSAX).

🦠 All patients with BAV are in a high-risk group for developing infective endocarditis.

📈 When BAV is detected, an Echocardiographic (EchoCG) assessment of not only the valve but also the aortic diameters at all levels is mandatory.

🔹 BAV can be hereditary; therefore, screening EchoCG is recommended for first-degree relatives.

Address

2416 Natura Drive
Halifax, NS
B4B0X3

Website

https://stethophone.com/ca/en/

Alerts

Be the first to know and let us send you an email when Stethophone Canada posts news and promotions. Your email address will not be used for any other purpose, and you can unsubscribe at any time.

Want your business to be the top-listed Health & Beauty Business in Halifax?