Accepting new patients — in-clinic & teleconsult

Trusted heart care in the heart of Chennai.

Dr. G. Gnanavelu is a senior interventional cardiologist with 26 years of experience in angioplasty, pacemaker implantation and preventive cardiology — now consulting at Greams Road, Chennai.

26+

Years of Experience

12,000+

Procedures Performed

50,000+

Patients Treated

Dr. G. Gnanavelu
4.9 800+ reviews

26+ Years

of clinical experience

24×7 Cardiac Emergency

Heart attack care where every minute counts.

Chest pain lasting more than 20 minutes needs immediate attention. Our Primary PCI programme activates the cath lab within minutes — with a door-to-balloon target of under 90 minutes.

  • Cath lab on standby, day and night
  • Cardiac ICU & step-down beds
  • Family updates at every stage
Cath lab on standby

< 90 min

door-to-balloon target

Advanced Cath Lab & Cardiac ICU

World-class heart care, close to home.

From digital angiography and IVUS imaging to a dedicated cardiac ICU and in-house diagnostics — everything your heart needs, under one roof on Greams Road.

  • Digital cath lab
  • IVUS & OCT imaging
  • In-house Echo, TMT & Holter
Advanced cardiac technology

12,000+

successful interventions

Preventive Cardiology

Preventing heart disease before it starts.

Cholesterol clinics, blood-pressure care and heart-health checkups for families with a history of heart disease — because the best procedure is the one you never need.

  • Annual heart health checks
  • Lipid & BP clinics
  • Family screening
Preventive heart care

Free Camps

community heart screenings monthly

01 / 04

Book Appointment

Slots confirmed within 2 working hours.

Book now

OPD Timings

Mon – Sat · 10:00 AM – 01:00 PM
and 04:00 PM – 07:00 PM

Emergency Care

24×7 heart-attack response & primary angioplasty.

Call now

Second Opinion

Share your reports and get an expert review.

Send reports
Consultation with Dr. Gnanavelu

DM (Cardiology)

Madras Medical College

About the Doctor

Meet Dr. G. Gnanavelu

Dr. Gnanavelu is a senior interventional cardiologist practising on Greams Road, Chennai. His practice covers the full range of cardiac care — emergency angioplasty during a heart attack, imaging-guided stenting for complex blockages, pacemaker and ICD implants, and long-term preventive care.

He believes every treatment decision should be explained clearly to the patient and family, with honest discussion of options, risks and costs before any procedure.

  • MBBS — Stanley Medical College
  • MD (General Medicine) — MMC
  • DM (Cardiology) — MMC
  • FACC — American College of Cardiology
TN Medical Council Reg. No. 78542 English · Tamil · Hindi

Our Facilities

Everything your heart needs, under one roof

  • Digital Cath Lab

    Flat-panel cath lab for complex coronary interventions.

  • IVUS & OCT Imaging

    Intravascular imaging for precise, measurement-guided stenting.

  • Cardiac ICU

    24×7 monitored beds for post-procedure and critical care.

  • In-house Diagnostics

    Echocardiography, TMT, Holter and ambulatory BP on site.

  • Insurance Assistance

    Cashless and TPA support for planned procedures.

Cath lab suite

0

successful interventions

Specialties

Cardiac services we offer

View all specialties

Plan Your Visit

Timings & location

Consultation Timings

Monday – Friday10:00 AM – 01:00 PM
04:00 PM – 07:00 PM
Saturday10:00 AM – 01:00 PM
SundayEmergencies only

Clinic Address

Heart & Cardiac Clinic,
Greams Road, Thousand Lights,
Chennai, Tamil Nadu — 600006

2 min from Thousand Lights West metro station. Parking available.

Get directions

Patient Reviews

What our patients say

4.9 / 5 from 800+ Google reviews
2 months ago

“Dr. Gnanavelu explained the entire procedure before the angioplasty — what would happen, the stent options, and the recovery. I was discharged in two days and back to my walks within a week.”

RK

Ramesh Kumar

Angioplasty patient

3 months ago

“My father's pacemaker reviews are unhurried and thorough. The doctor checks the device, the medicines, and how my father is feeling — every single visit, without rushing us.”

PS

Priya Sharma

Pacemaker follow-up

6 months ago

“The night I had chest pain, his team acted immediately. From the emergency room to the cath lab it was under an hour. I am grateful for the speed and the constant updates to my family.”

AM

Anand Mehta

Primary PCI patient

FAQ

Frequently asked questions

No referral is needed. You can book directly online or by phone. If you have reports or an angiogram CD from another hospital, please bring them along.

Previous reports and scan CDs, a written list of your current medicines, and your insurance or health card if applicable. Arriving 15 minutes early helps with registration.

Yes. Our front desk assists with cashless approvals and TPA paperwork for planned procedures. Please check your policy coverage before admission.

Yes — video consultations are available for follow-ups, report reviews and second opinions. Book a slot and the link is shared by WhatsApp before your appointment.

If a significant blockage is found, angioplasty can usually be performed in the same sitting or within 24 hours. In a heart attack, primary PCI is available round the clock.

Take the first step towards a healthier heart.

Our care team confirms every appointment request within 2 working hours.