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YOUR PRACTICE NAMESVT EP study & ablation · Understanding

START HERE

Your svt ep study & ablation checklist

Keep this guide with your medication plan and discharge instructions.

Before you arrive

  • Read the medication and fasting plans. Your team must complete any intentional blanks before you follow them.
  • Complete scheduled tests. Bring your current medicine list and allergy information.
  • Arrange an adult driver and someone to stay with you after sedation.

Procedure date / arrival time:

Facility / check-in location:

Before you leave

Keep the current medication list, recovery instructions and follow-up details together. Have conflicting instructions resolved before discharge. Use the emergency warning signs in this guide.

Follow-up appointment or timeframe / booking instructions:

Practice phone: ____________________

After-hours number / route: ____________________

UNDERSTANDING YOUR PROCEDURE

SVT EP study & ablation

Before and after an electrophysiology study with possible SVT ablation

What the procedure does

An electrophysiology (EP) study uses thin catheters to test the heart’s electrical system and identify the cause of supraventricular tachycardia (SVT), a fast rhythm usually arising above the lower chambers. Common causes include an extra electrical pathway or a small looping circuit. If a suitable target is found, ablation can treat it during the same procedure.

On the day

After local numbing, catheters are usually passed through groin veins. Electrical pacing and sometimes medicine help bring on the rhythm safely while the team monitors you. Heat energy or freezing may be used for ablation. Sedation is tailored to comfort and the ability to bring on the rhythm; some patients need general anesthesia. An EP study does not guarantee ablation: the rhythm may not start, or the safest choice may be not to treat a particular site.

Benefits and risks

Ablation may reduce or prevent SVT episodes, but recurrence and repeat procedures are possible. Risks include bleeding, vessel injury, infection, heart perforation or fluid around the heart, clots or stroke, and injury to normal electrical conduction that may require a pacemaker. Serious complications and death are uncommon but possible.

YOUR PRACTICE NAMESVT EP study & ablation · Preparation

Getting ready

Medicines and fasting

Use the written blood thinner or antiplatelet plan if you take one. Do not stop it on your own. The plan depends on your usual indication and the approach used; routine SVT ablation does not automatically require starting a blood thinner or aspirin.

Blood thinner / antiplatelet plan

Rhythm medicines before the procedure

Food and drink plan

SGLT2 medicines

GLP-1 medicines

Other preparation instructions

Any separate written instructions for insulin or other diabetes medicines take priority; do not apply a general morning-medicine instruction to them.

YOUR PRACTICE NAMESVT EP study & ablation · Recovery

Recovering at home

What to expect

Mild improving groin tenderness, bruising and tiredness can occur. Brief extra beats may happen, but a sustained return of the original racing rhythm should be reported. Do not assume every palpitation means the ablation failed.

Your recovery instructions

Groin dressing & shower
Activity after catheter access
EP follow-up

Follow-up

Appointment / return-to-work details:

YOUR PRACTICE NAMESVT EP study & ablation · When to get help

When to get help

Call 911

  • Severe or sudden chest pain or trouble breathing, fainting, or stroke symptoms such as facial droop, arm weakness or trouble speaking.
  • Heavy or continuing bleeding despite firm pressure, or rapidly growing painful swelling with weakness or faintness. Lie down, keep firm pressure on the bleeding site and have someone call 911.
  • A cold, pale, numb or severely painful leg, especially on the catheter-access side.

Do not drive yourself. Do not wait for a message or remote-monitor response.

Contact the clinic the same day

Increasing access-site swelling, redness, warmth, drainage or pain; fever or chills; a sustained return of racing heartbeat or new persistent palpitations.

For warning symptoms after hours, use the contact route below. If you cannot reach the team and symptoms are worsening, seek urgent assessment. Use 911 for the severe symptoms listed above.

Practice phone: ____________________

After-hours number / route: ____________________

Follow your personalized medication and recovery plan. This guide supports, but does not replace, the consent discussion or your treating team’s instructions.

PatientReady · SVT EP study & ablation · 24 Sep 2026
Evidence behind these instructionsSVT EP study & ablation · For your practice’s review

These notes explain the original template, not custom wording or older saved guides. Basis labels distinguish guidelines from manufacturer information and local protocols. A source-check date is not clinical approval. This provider-only section does not print.

Food, drink and morning medicinesPractice protocol — not a universal guideline
Template default
Nothing to eat or drink after midnight; approved morning medicines with small sips of water.
Why this choice
Midnight is this template’s selected local cutoff, not an ASA requirement. ASA allows clear liquids until 2 hours before anesthesia in appropriate healthy elective patients.
Exceptions & limits
Longer fasting is not automatically safer. Anesthesia must set the appropriate plan for aspiration risk, diabetes, delayed gastric emptying and procedure timing. Insulin and other diabetes medicines need a separate plan.

Sources last checked:

SGLT2 medicinesDrug-label-based guidance
Template default
Hold empagliflozin, dapagliflozin and canagliflozin at least 3 days; ertugliflozin at least 4 days.
Why this choice
The differing intervals address perioperative ketoacidosis risk. ACC summarizes the FDA intervals; the linked ertugliflozin label also specifies restart after clinical stability and oral intake resume.
Exceptions & limits
Applies to scheduled surgery/prolonged fasting. Urgent procedures, suspected ketoacidosis, poor intake or dehydration need individualized management. Combination tablets must be identified.

Sources last checked:

GLP-1 medicinesMultisociety clinical guidance
Template default
Continue for patients assessed as low risk for delayed stomach emptying.
Why this choice
The 2024 guidance uses risk assessment rather than a blanket one-week hold. Stopping therapy also has metabolic and access consequences.
Exceptions & limits
Dose escalation, significant GI symptoms, higher doses and other causes of delayed gastric emptying may require a 24-hour liquid diet, modified anesthesia or deferral. The routine text presupposes anesthesia screening; it does not perform that screening.

Sources last checked:

Procedure scope and anesthesiaGuideline / primary patient education
Template default
Before and after an electrophysiology study with possible SVT ablation
Why this choice
Mapping identifies the target; anesthesia is individualized rather than copied from PFA.
Exceptions & limits
No guarantee of successful mapping or cure. Ventricular location and left-sided access change risk.

Sources last checked:

Blood thinners and antiplateletsIndividualized plan; no universal hold
Template default
Leave the drug-specific before/restart plan for entry or handwriting.
Why this choice
Avoid importing an AF ablation hold schedule or starting aspirin/anticoagulation solely because of this procedure.
Exceptions & limits
This is not an instruction to start, stop or bridge a drug without a completed plan.

Sources last checked:

Rhythm medicines and inducibilityExpert consensus + EP-specific plan
Template default
No automatic multi-day hold; select a named-drug plan or enter your protocol.
Why this choice
Medicines and sedation can suppress the rhythm needed for mapping. Washout depends on the drug, indication and safety.
Exceptions & limits
VA consensus discusses stopping antiarrhythmics other than amiodarone for at least five half-lives if possible. That is not a patient-ready universal interval; SVT plans also vary. The continuation fallback is a safety instruction pending an explicit EP plan, not an optimal mapping protocol.

Sources last checked:

Wound care, movement and drivingEditable clinic protocol — not universal guideline
Template default
Simple groin dressing off / shower after 24 hours (48-hour option); 7-day no-soaking and 10-pound heavy-use limit.
Why this choice
Protect the vascular access site while maintaining gentle walking.
Exceptions & limits
The linked catheter-ablation source supports a 7-day exercise / 10-pound lifting restriction. Dressing, shower, soaking and stair intervals remain editable local catheter-access choices, not universal ablation guidelines. Large-bore or arterial access and complications may require a different plan. Sedation limits and longer symptom-related driving restrictions still apply.

Sources last checked:

Follow-up and monitoringEditable scheduling default
Template default
EP review 4–6 weeks (2–4-week alternative).
Why this choice
Provide appointment details at discharge to avoid unnecessary scheduling questions.
Exceptions & limits
These are clinic-selected windows, not universal guideline mandates. PVC monitoring, flutter/AF surveillance and device-model-specific connectivity may require additional testing. Remote monitoring never substitutes for emergency assessment.

Sources last checked:

AI-assisted research; primary sources checked 24 September 2026. Not a live literature monitor or independent clinical certification. Local defaults need practice adoption. Patient-specific instructions take priority.

Check & record a practice version

No practice review recorded for this version.

    Advisory checks only—not a clinical safety check. Printing is never blocked. Intentional blanks can be completed by hand before handing the guide to a patient.

    Records the current wording and date; later edits require a new review. This is your practice’s attestation, not certification by PatientReady. Logo changes are not part of the clinical wording record.

    Reviewed version history

    Match the document ID printed on a saved guide to a record below. IDs identify wording, not the logo or later changes to a PDF. Review records are private to the issuing account and this procedure.

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    Compare & consider template updates

    Base 2026-09-25.2: follow-up wording accepts booked appointments or a timeframe with booking instructions. Follow-up intervals, warning signs and saved edits are unchanged. Prior update — Base 2026-09-25.1: clarified recovery contact instructions and procedure-matched evidence notes. Saved edits are never replaced automatically. Compare and adopt updates only after practice review.