Coronary Angiography (CAG)Radial Pinhole Angiogram · Zero-Stitch Daycare Protocol

Gold-standard diagnostic cardiac catheterization to detect heart blockages. Performed via pinhole wrist puncture (transradial) under local anesthesia with same-day discharge in 2 to 4 hours.

Registration: 26547 Delhi Medical Council, 2005📍 Yashoda Medicity, Indirapuram ↗Pinhole Radial Access · 100% Diagnostic Accuracy · Same-Day Daycare Discharge
Clinically Authored & Reviewed:Dr. Manish Aggarwal, MD, DM, FESC
Director, Interventional Cardiology (Yashoda Medicity)DMC Reg: 26547 Delhi Medical Council, 2005Last Reviewed: October 2026ESC & ACC/AHA Aligned

Access Route

Transradial (Microscopic pinhole wrist puncture)

Procedure Duration

15 to 25 Minutes (Local anesthesia, fully awake)

Discharge Window

2 to 4 Hours (Walk immediately, zero sandbag bed rest)

Clinical Precision

Multi-Angle Digital Fluoroscopy & Digital CD Report

The Definitive Gold Standard: Direct Visualization of Coronary Flow

Non-invasive tests like ECGs, Echocardiograms, and Treadmill Tests provide essential functional clues, but they cannot show the physical lumen of your coronary arteries. Coronary Angiography (Coronary Angiogram / CAG) remains the undisputed worldwide gold standard for definitive diagnosis of coronary artery disease.

During the procedure, microscopic optical catheters are navigated to the ostia of the coronary arteries under real-time digital fluoroscopy. A small volume of specialized radio-opaque contrast dye is introduced, illuminating the left anterior descending (LAD), circumflex (LCx), and right coronary artery (RCA) from multiple radiographic projections. This reveals the exact percentage, anatomical length, calcification profile, and bifurcations of every blockage with sub-millimeter precision.

At Yashoda Medicity, Indirapuram, Dr. Manish Aggarwal performs coronary angiography with advanced contrast-sparing and low-radiation protocols, ensuring crystal-clear diagnostic imaging while minimizing contrast exposure for patients with kidney concerns or diabetes.

The Radial Wrist Revolution: Walk In, Walk Out in 2 to 4 Hours

Historically, angiography was performed through the femoral artery in the groin. Groin punctures forced patients into 6 to 8 hours of agonizing flat bed rest with heavy sandbags pressed on the thigh to prevent hematomas. Today, that obsolete approach is entirely bypassed.

Dr. Manish Aggarwal utilizes the advanced Transradial (wrist) protocol for more than 98% of his cases. Through a 2-millimeter pinhole puncture at the base of the thumb over the radial artery, microscopic hydrophilic catheters are guided directly to the heart. Patients experience zero groin discomfort, zero stitch lines, and can walk, eat breakfast, and use the washroom immediately following the test.

  • Local Anesthesia Only: The wrist is numbed with a tiny local injection; you remain completely awake, pain-free, and can watch your heart arteries live on high-definition cath lab monitors.
  • Zero Bed Rest: Unlike groin punctures, transradial patients sit comfortably in their recliner lounge immediately and are discharged home within 2 to 4 hours.
  • Same-Sitting Stenting Option: If an acute, high-grade 95% to 99% blockage is discovered, Dr. Aggarwal can immediately transition to angioplasty and stenting in the same sitting with patient/family consent, avoiding a second catheterization.

Contrast-Sparing & Renal Safety Protocols

For patients with pre-existing diabetes, borderline creatinine, or elderly physiology, traditional angiography can cause contrast-induced nephropathy if excessive dye is used.

Dr. Aggarwal employs specialized micro-syringes, biplane low-volume injections, and iso-osmolar non-ionic contrast agents. This protocol cuts contrast dye volume by over 50% compared to conventional standards while maintaining cinematic diagnostic clarity, safeguarding your kidneys throughout the evaluation.

"A coronary angiogram should never be an ordeal. Through the radial wrist protocol, we transform what was once an intimidating hospital admission into a 20-minute, walk-in, walk-out diagnostic milestone."
· Dr. Manish Aggarwal · Director of Interventional Cardiology
Clinical Triage & Candidacy

Who Is an Ideal Candidate for Coronary Angiography (CAG)?

Patients meeting these diagnostic and clinical profiles receive targeted evaluations under Dr. Manish Aggarwal at Yashoda Medicity:

  • Individuals experiencing chest pain, retrosternal heaviness, shortness of breath on exertion, or left arm/jaw ache.
  • Patients with positive TMT (Treadmill Test), abnormal Stress Echo, high coronary calcium on CT, or suspicious ECG findings.
  • Diabetic or hypertensive patients requiring definitive anatomical evaluation of coronary circulation prior to major surgery.
  • Patients diagnosed elsewhere with multi-vessel disease or advised bypass surgery who need high-clarity anatomical restudy.
  • Individuals seeking immediate, same-day walk-in evaluation with same-day digital CD recording and definitive expert diagnosis.
Patient Inquiries & Clarity

Frequently Asked Questions

Is coronary angiography painful?

No. A tiny prick of local anesthesia is administered at the right wrist, numbing the skin completely. The blood vessels themselves do not have pain nerves, so you will feel no pain as the slender catheter travels to the heart. You may only feel a warm, flushing sensation for 10-15 seconds when the contrast dye is injected.

How long after radial angiography can I resume normal activities?

Because radial wrist access eliminates the risk of groin bleeding, you can walk within minutes of leaving the cath lab. You will be discharged home within 2 to 4 hours. You can resume desk work, walking, and normal meals the following morning, avoiding heavy weightlifting with the right wrist for 48 hours.

What is the difference between a CT Angio and Conventional Cath Lab Angiography?

A CT Angio is a non-invasive scan from outside the body, helpful for ruling out disease in low-risk individuals, but it frequently overestimates calcified blockages. Conventional Cath Lab Angiography is the definitive gold standard: it provides real-time dynamic flow visualization under fluoroscopy and allows immediate stenting in the same sitting if a life-threatening blockage is found.

Do I receive the angiography video CD and report on the same day?

Yes. Full high-definition DICOM video footage on CD/DVD and a comprehensive written clinical report with angiographic vessel diagrams are handed to you and your family before discharge for your permanent medical records.

Director's Cardiac Suite · Yashoda Medicity ↗

Discuss Your Case for Coronary Angiography (CAG)

Same-week outpatient consultations and urgent emergency reviews at Yashoda Medicity, Indirapuram. Bring your angiogram CD or echocardiography reports for a direct, uncompromised assessment.

Registration: 26547 Delhi Medical Council, 2005 · Dedicated 24/7 Cath Lab & CCU