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Preoperative Cardiac Clearance in Pearland & Houston

Cardiac risk assessment before surgery — timely evaluation, clear documentation, and direct communication with your surgical team.

Preoperative Clearance

Understanding Preoperative Cardiac Clearance

Preoperative cardiac clearance is an assessment of whether your heart can safely tolerate a planned operation, and of what should be done beforehand to reduce the risk of a complication.

It is not a formality or a signature. It is a genuine risk assessment that weighs your cardiac history against the demands of the specific operation you are having.

Surgeons and anesthesiologists request clearance when a patient has known heart disease, cardiac risk factors, or symptoms that have not been evaluated. We offer timely appointments and clear written documentation so that surgery is not delayed.

Meet Our Cardiology Team

Experienced. Compassionate. Focused on You.

When your surgery depends on a cardiac opinion, it matters that the assessment is done properly and quickly. Our cardiologists assess each patient individually and document the reasoning clearly for the team who will be looking after you in theatre.

Portrait of Dr. Rizwan Khan, general cardiologist

Rizwan Khan, MD, FACC

General & Preventive Cardiology

MD — Doctor of Medicine
FACC — Fellow of the American College of Cardiology
Fellowships: Cleveland Clinic and Loyola University Medical Center
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Portrait of Dr. Muhammad Waheed Raja, general cardiologist

Muhammad Waheed Raja, MD

Preventive & Non-Invasive Cardiology

MD — Doctor of Medicine
Cardiology fellowship: Tulane University School of Medicine
Former Clinical Assistant Professor of Medicine, UTMB
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Portrait of Dr. Afaq Motiwala, interventional cardiologist

Afaq Motiwala, MD, FACC, RPVI

Interventional & Vascular Cardiology

FACC — Fellow of the American College of Cardiology
RPVI — Registered Physician in Vascular Interpretation
Interventional fellowship: Temple University Hospital
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Why Us

Why Patients Choose Alliance Heart & Vascular

Personalized Heart Care

Treatment plans tailored to your symptoms, history, and individual needs.

Comprehensive Cardiology

Preventive, diagnostic, interventional, and vascular care in one practice.

Advanced Cardiac Testing

Modern diagnostics for heart rhythm, function, structure, and blood flow.

Convenient Greater Houston Access

Serving Pearland with additional locations expanding across Greater Houston.

Board-Certified Cardiologists

Experienced physicians with advanced cardiovascular training and expertise.

Most Major Insurances Accepted

We work with many leading insurance plans for convenient access to care.

Heart Health Resources

Related Reading

Locations

Comprehensive Cardiovascular Care Close to Home

Alliance Heart & Vascular is expanding to serve patients across Pearland, Greater Houston and surrounding communities.

Pearland

Comprehensive cardiology, preventive cardiovascular care, diagnostic evaluation, and follow-up.

View Pearland Location

More locations coming soon

Alliance Heart & Vascular is expanding across Greater Houston and nearby communities, bringing convenient access to trusted cardiovascular care closer to where our patients live and work.

Insurance

Insurance We Accept

Alliance Heart & Vascular works with many major health insurance plans. Insurance participation can vary by plan, network, employer, and location.

Please call (346) 614-0002 before your appointment to verify your specific insurance benefits and network participation. Our team can help answer questions about scheduling, referrals, and insurance verification.

Before your visit

Call ahead to verify benefits and network participation
Ask whether your plan requires a referral
Bring your insurance card and photo ID
Bring prior cardiac test results if you have them
When Requested

When Is Cardiac Clearance Requested?

Not every patient needs cardiac clearance before an operation. It is usually requested when you have:

Known coronary artery disease
A previous heart attack
A previous stent or bypass
Known heart failure or reduced ejection fraction
Atrial fibrillation or another arrhythmia
Heart valve disease or a murmur
A pacemaker or implanted defibrillator
Poor exercise tolerance
Unexplained breathlessness
Chest discomfort on exertion
An abnormal preoperative ECG
Diabetes with cardiovascular risk factors
Poorly controlled high blood pressure
Major or high-risk surgery planned
Being on an anticoagulant or antiplatelet
A surgeon or anesthesiologist request

Your functional capacity — how much physical activity you can manage without symptoms — is one of the strongest predictors of surgical risk, and often more informative than any test.

Emergency Reminder

If you develop chest pain, severe breathlessness, or fainting while waiting for surgery, call 911 immediately and tell your surgical team afterwards.

Do not wait for an office appointment.

Online appointment requests should never be used for potentially life-threatening symptoms.

What We Assess

What the Assessment Covers

Clearance weighs two things against each other: your individual cardiac risk, and how demanding the planned operation is.

Your cardiac history

Previous heart attack or intervention
Current cardiac symptoms
Heart failure status
Rhythm and rate control
Valve disease severity
Blood pressure control
Diabetes and kidney function
Current medication
Device status if you have one

Your functional capacity

Walking on level ground
Climbing a flight of stairs
Walking up a hill
Household and daily tasks
Whether activity is limited by symptoms
Any recent change in what you manage

Being able to climb a flight of stairs without stopping is a genuinely useful benchmark, and patients who can do it comfortably often need no further cardiac testing at all.

The Process

What Clearance Involves

The assessment is deliberately proportionate. Testing is arranged only where the result would genuinely change what happens before or during your operation.

Call 911 immediately if a heart attack is suspected. Do not drive yourself to hospital.

Risk Estimation

Your risk of a perioperative cardiac event, calculated from your history and the type of surgery planned rather than estimated informally.

Functional Assessment

How much physical activity you can manage without symptoms, which is one of the strongest available predictors of how you will tolerate surgery.

Targeted Testing

Investigations arranged only when the result would alter management. Most clearances need no testing beyond an ECG.

Medication Review

Clear guidance on which cardiac medications continue, which pause, and exactly when — particularly antiplatelets and anticoagulants.

Optimization Before Surgery

Where a condition is not well controlled, treating it beforehand often reduces risk more than any test result would.

Written Documentation

A clear report sent to your surgeon and anesthesiologist stating the assessment, the risk, and any specific recommendations.

Medication

Cardiac Medication Before Surgery

Medication decisions around an operation are genuinely consequential, and are made jointly between your cardiologist, surgeon, and anesthesiologist. Commonly reviewed are:

Antiplatelet therapy, especially after a recent stent
Anticoagulants, including when to stop and restart
Beta blockers and rate-control medication
Blood pressure medication
Diuretics
Diabetes medication affected by fasting
Statins, which are usually continued

Important

Do not stop any cardiac medication on your own before surgery. Stopping antiplatelet therapy too early after a stent carries real risk. Bring your full medication list and we will provide written instructions for your surgical team.

Visit Us
10905 Memorial Hermann Drive, Suite 203, Pearland, TX 77584
Downtown Houston — serving the Texas Medical Center, Midtown, and Downtown
Monday–Friday, 8:00 a.m. – 4:30 p.m.
(346) 614-0002
Diagnostics

Testing Used in Preoperative Assessment

Not every patient needs every cardiac test. Testing should be selected based on your symptoms, examination, medical history, and cardiovascular risk. Depending on your individual situation, your cardiologist may recommend one or more of the following.

Advanced Cardiovascular Imaging

Certain patients may require additional cardiac imaging or coronary evaluation depending on their symptoms and risk profile. Your cardiologist will explain why a particular test is being recommended and how the results may influence your treatment plan.

Treatment

Optimizing You Before Surgery

Where clearance identifies something that raises your risk, the useful response is to improve it rather than simply to document it. That may involve:

Blood pressure optimization
Heart rate and rhythm control
Heart failure treatment adjustment
Anemia identification and correction
Diabetes control before admission
Continuation of statin therapy
A clear antiplatelet plan
A clear anticoagulation bridging plan
Device checks for pacemakers or defibrillators
Further cardiac assessment if indicated
Advice on timing relative to a recent stent
Written recommendations for the surgical team
Postoperative cardiology follow-up

Our objective is to give your surgical team a clear, timely answer — and where possible to make you a lower-risk patient before you reach the operating room.

Patient sharing their experience
Timing

Surgery Scheduled and Need Clearance Quickly?

Surgical dates are difficult to move, so preoperative assessments are prioritized. Our aim is to give your surgeon a clear answer without avoidable delay, and to arrange any necessary testing promptly rather than pushing the date back.

Contact us promptly if you have:

A surgery date already scheduled
Been asked for cardiac clearance
A recent stent and upcoming surgery
Been told to stop an anticoagulant
New cardiac symptoms before an operation
An abnormal preoperative ECG
Had surgery postponed for cardiac reasons
Bring your surgeon's request, the planned procedure and date, a current medication list, and any previous cardiac test results. The more complete this is, the less likely testing will be needed.
FAQ

Frequently Asked Questions About Preoperative Clearance

Still have questions?

Talk to our office — Monday to Friday, 8:00 a.m. to 4:30 p.m.

Call (346) 614-0002

Preoperative cardiac clearance is an assessment of whether your heart can safely tolerate a planned operation, and of what should be done beforehand to reduce your risk of a complication.

Call 911 for chest pain, severe breathlessness, or fainting at any point, including while waiting for surgery. Tell your surgical team afterwards, as it may change the plan.

No. Clearance is usually requested when you have known heart disease, cardiac symptoms, significant risk factors, or when major surgery is planned. Many patients need no cardiac assessment at all.

Often none beyond an ECG. Testing is arranged only where the result would change management. Patients who can climb a flight of stairs without symptoms frequently need nothing further.

Functional capacity means how much physical activity you can manage without cardiac symptoms. It is one of the strongest predictors of surgical risk and is assessed by asking what you can actually do.

This is one of the most important questions in preoperative care. Stopping antiplatelet therapy too soon after a stent risks the stent blocking. The timing is decided jointly with your surgeon, and never independently.

Never stop a cardiac medication on your own. Some are continued through surgery, some are paused at a specific interval, and getting this wrong carries real risk. You will be given written instructions.

We prioritize preoperative appointments because surgical dates are hard to move. Tell our team the planned date when you call so it can be scheduled appropriately.

Clearance is not a guarantee that nothing will go wrong. It is an assessment of risk, an opportunity to reduce it, and clear guidance for the team looking after you during the operation.

Yes. Your surgeon and anesthesiologist receive a written report setting out the assessment, the estimated risk, and any specific recommendations about medication or monitoring.

Sometimes, and that is a legitimate outcome. If a condition is unstable, treating it first is usually safer than proceeding. We aim to identify this early rather than on the day.

If you have a pacemaker or implanted defibrillator, it may need checking or reprogramming around surgery. Bring your device card to the appointment.

Yes, if you have ongoing cardiac issues or your risk warrants it. Postoperative follow-up can be arranged at either of our Houston locations.

Bring your surgeon's request, the planned procedure and date, your medication list, insurance information, identification, and any previous cardiac test results.

Yes. Alliance Heart & Vascular welcomes new patients seeking cardiovascular evaluation. Call our office or request an appointment online.

Need Cardiac Clearance Before Surgery?

Surgical dates are hard to move. Clearance should not be what delays them.

Whether your surgeon has requested cardiac clearance, you have a recent stent and an operation coming up, or you have questions about which medications to pause, our cardiologists can assess you promptly and document it clearly for your surgical team.

Request an Appointment

New patients are welcome.

Serving patients throughout Pearland, Greater Houston, and surrounding areas.