Find the best diagnostic cardiac catheterization doctors in Chennai. Get guidance from medical experts to select diagnostic cardiac catheterization specialist in Chennai from trusted hospitals - credihealth.com
Diagnostic cardiac catheterization and coronary angiography are considered the gold standard in the assessment of the anatomy and physiology of the heart and its associated vasculature. In 1929, Forssmann demonstrated the feasibility of cardiac catheterization in humans when he passed a urological catheter from a vein in his arm to his right atrium and documented the catheters position in the heart by x-ray. In the 1940s, Cournand and Richards applied this technique to patients with cardiovascular disease to evaluate cardiac function. These three physicians were awarded the Nobel Prize in 1956. In 1958, Sones inadvertently performed the first selective coronary angiography when a catheter in the left ventricle slipped back across the aortic valve, engaged the right coronary artery, and power-injected 40 mL of contrast down the vessel. The resulting angiogram provided superb anatomic detail of the artery, and the patient suffered no adverse effects. Sones went on to develop selective coronary ...
TY - JOUR. T1 - Evaluation of absorbed radiation dose to working staff during cardiac catheterization procedures. AU - Chong, N. S.. AU - Yin, W. H.. AU - Chan, P.. AU - Cheng, M. C.. AU - Ko, H. L.. AU - Jeng, S. C.. AU - Lee, J. J S. PY - 2000. Y1 - 2000. N2 - Background. Cardiac catheterization has been used frequently for the evaluation and treatment of patients with heart diseases. The working staff, particularly cardiologists who perform these procedures, have the highest potential risk of receiving high radiation doses due to close contact with patients. The purpose of this study was to measure and evaluate the accumulated radiation dosage of the cardiologists while they were performing clinical procedures in the cardiac catheterization laboratory. The working environment of the catheterization laboratory was also monitored for radiation. Methods. Thermoluminescent dosimeters (TLDs) with very high sensitivity were employed for dose evaluations. They were taped to various parts of the body ...
Throughout the 1960s and 1970s, cardiac catheterization was primarily a diagnostic procedure that was used to evaluate hemodynamics, ventricular function, and coronary anatomy. However, the introduction of improved angioplasty equipment and new inter
To avoid venous puncture, a new concept for standby cardiac pacing during percutaneous transluminal coronary angioplasty (PTCA) and diagnostic cardiac catheterization was developed. It uses an arterial guidewire as a unipolar pacing electrode with the second electrode attached to the skin. The system was tested in 25 coronary arteries of 22 patients undergoing PTCA and in the left ventricles of 10 patients undergoing diagnostic cardiac catheterization. Coronary pacing via the guidewire used for directing the balloon catheter was possible in all patients and in 24 of the 25 coronary arteries attempted. Maximum duration of pacing was 8 min. Threshold currents ranged from 1 to 15 mA (mean 5.7). Left ventricular pacing via the same wires or standard wires used for introduction of diagnostic or guiding catheters was possible in all patients and was maintained for up to 10 min. Threshold currents ranged from 1 to 7 mA (mean 3.9). Neither method for pacing produced adverse effects during these short ...
The risk of major complications during diagnostic cardiac catheterization procedure is usually less than 1%, and the risk and the risk of mortality of 0.05% for diagnostic procedure. For any patient, the complication rate is dependent on multiple factors and is dependent on the demographics of the patient, vascular anatomy, co-morbid conditions, clinical presentation, the procedure being performed, and the experience of the operator. The complications can be minor as discomfort at the site of catheterization to major ones like death.. But there are very serious complications of the procedure that can result in death or serious disability.. From a recently updated review of cath complications. Local Vascular Complications. Hematoma/Retroperitoneal Bleeding. These are among the most common complications seen after cardiac catheterization procedures. Hematomas are usually formed following poorly controlled hemostasis post sheath removal. Most hematomas are self-limiting and benign, but large ...
Find the best pediatric cardiac catheterization doctors in Chennai. Get guidance from medical experts to select pediatric cardiac catheterization specialist in Chennai from trusted hospitals - credihealth.com
The Cardiac Catheterization Laboratory at Ocean is an outpatient facility for high-risk, elective, cardiac diagnostic procedures. It is one of the areas leading, state-of-the-art facilities, utilizing the latest equipment and technology. The labs cardiac imaging system has the capability to instantly transmit digital data and images to other Meridian hospitals and physicians offices.. Cardiac catheterization is "the" diagnostic tool which enables physicians to identify blockages in the blood vessels (coronary artery) that supply the heart. Additionally it is used to detect other heart-related diseases such as valve disease. During a cardiac catheterization procedure, digital X-ray images are taken of all the coronary arteries in the heart while other images are acquired that measure and show how hard the heart muscle is pumping. This is typically done by inserting thin plastic tubes (catheters) into the femoral artery (groin), but it may also be performed using your arm. Once the catheters ...
... performed at The Heart & Vascular Center of Central Texas - specializing in outpatient cardiac and peripheral vascular procedures.
Catheterisation Procedure Packs - MedDirect is NZs No.1 Online Medical Product Directory - find New Zealand Medical Companies supplying products you ...
We report a case of mitral stenosis with a large left atrial thrombus which was obstructing pulmonary venous inflow where the conventional use of the pulmonary capillary wedge pressure as an approximation of the left atrial pressure during diagnostic cardiac catheterisation led to the over-estimation of the severity of mitral stenosis ...
Learn what to expect before, during and after a cardiac catheterization (cath). Tips for the day of the procedure and for when you go home.
Interventional cardiac catheterization procedure information, provided by Heart Institute staff at Cincinnati Children's Hospital Medical Center.
Cardiac Catheterization Lab:. Emam Ali Cardiovascular Center have tow siemens cath lab with lowxry beam. More than 2,500 procedures are performed annually with state-of-the-art digital imaging equipment in our Cardiac Catheterization Lab. Our board certified cardiologists specialize in the early diagnosis and treatment of cardiac disease.. Services provided include diagnostic cardiac catheterization, angioplasty, intra coronary stenting (including the new drug eluting stents, which are coated with a drug to help prevent artery reblockage).. Electrophysiology (EP) Lab:. The Emam Ali Heart Center has one state of the art electrophysiology (EP) suites located on the sub ground in catheterization lab floor of the hospital, just down the hall from cardiac catheterization lab.. Studies and procedures dealing with the hearts electrical system are performed in these labs. EP studies allow physicians to diagnose causes of abnormal heart rhythms (arrhythmias) and determine the appropriate ...
The concept of diastolic heart failure has generated a fair amount of controversy, with some authorities questioning whether specific evidence of diastolic dysfunction has been found in patients diagnosed with this condition. Zile and colleagues described findings from diagnostic studies performed on a series of patients diagnosed with diastolic heart failure.. The study authors enrolled 47 patients scheduled for diagnostic cardiac catheterizations who had heart failure and normal left ventricular ejection fractions. These patients were compared with 10 control patients who had no evidence of heart failure but underwent catheterization for the evaluation of chest pain and were found to have normal coronary arteries and systolic function. During cardiac catheterization, a micromanometer was inserted into the left ventricle to measure precisely left ventricular pressures during diastole. Echocardiography was performed on all patients, measuring left ventricular volumes at the beginning and end of ...
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Cardiac catheterization has opened an innovative treatment field for cardiac disease; this treatment is becoming the most popular approach for pediatric congenital heart disease (CHD) and has led to a significant growth in the number of children with cardiac catheterization. Unfortunately, based on evidence, it has been demonstrated that the majority of children with CHD are at an increased risk of
A total of 220 operations were performed in 209 patients (45% male). Mean age at surgery was 30,1 ± 10,9 years. Preoperative diagnostic cardiac catheterization was performed in 86,3% of patients. The most common lesions according to primary diagnostic category were as follows: Septal defects (43,6%), Right heart lesions, including Conduit failure (23,7%), Left heart lesions (10,5%) and Thoracic arteries and veins (8,6%). Single ventricle lesions comprised 2,7% of diagnoses. Fifty-four percent of patients presented in the moderate or complex Bethesda diagnostic classes. Preoperative risk factors were present in 19,1% of patients with endocarditis, renal dysfunction and severe pulmonary hypertension the most frequent. Reoperations constituted 28,6% of procedures performed. Right ventricle to pulmonary artery conduit placement constituted 50,8% of the reoperations. Overall operative mortality was 1,8% (n = 4) with 4,8% (n = 3) mortality in the reoperation group. Postoperative complications ...
Full Question: Hello I had a cardiac catheterization procedure done about a week ago, and I noticed that 4 days later I started having a nagging headache around the left temple area with a little tend
Diagnostic cardiac catheterization was performed within 2 h after echocardiography. Before contrast material was injected into the LV or coronary artery, LV pressure was obtained using a catheter-tipped micromanometer (SPC-454D, Millar Instrument Co., Houston, Texas) and recorded on a polygraph system (RMC-2000, Nihon Kohden Inc., Tokyo, Japan) and also on a digital data recorder (NR-2000, Keyence, Osaka, Japan). The offset of pressure waves obtained using a catheter-tipped micromanometer was adjusted to that obtained using a fluid-filled system. From the recorded pressure waves, the peak negative first derivative of left ventricular pressure (dP/dt) was determined, and then Tw was calculated using the method proposed by Weiss et al. (18). In the calculation of Tw, the following assumption is applied: a monoexponential curve fitting with LV pressure decay after the phase of peak negative dP/dt has a zero asymptote. This assumption may bring a possibility that Tw is dependent on LV contraction ...
Background: In assessing left ventricular (LV) end-diastolic pressure (EDP) noninvasively, not only left atrial (LA) function but also LV compliance should be considered. Recently developed tissue strain imaging (TSI) enables us to evaluate myocardial extensibility during diastole. Accordingly, we investigated whether LVEDP could be predicted using a new parameter, ie, LA dimension at LV end-systole (LADs) corrected by LV diastolic myocardial strain (%thinning from end systole).. Methods: Study subjects consisted of 112 patients collected from our data base of 322 patients underwent TSI and diagnostic cardiac catheterization on the same day. In all patients, leftventriculography and LVEDP measurement were performed. Fifty-six had prior myocardial infarction (MI). Thirty-nine were anterior MI, 11 inferior and 6 were anterior plus inferior wall MI. Fourteen of those had a LV apical aneurysm. The remaining 56 had no localized LV wall motion abnormality. Peak radial strain during early diastole ...
Before 2004, only seven hospitals in the state -- two each in Hartford, New Haven and Bridgeport, and the University of Connecticut Health Center in Farmington -- could perform angioplasties and open-heart surgery.But the weight of medical evidence showed that performing angioplasty -- opening a blocked artery with a balloon, then inserting a stent to keep it open-- as soon as possible saved lives and improved patients health and quality of life afterward.It 2004, the Office of Health Care Access gave New Milford Hospital initial permission to open a diagnostic cardiac catheterization lab, and in 2006, permission to perform emergency angioplasties.Danbury Hospital and a joint effort by Waterbury Hospital and St. Marys Hospital in Waterbury can perform emergency and elective angioplasty and open-heart surgery.Vogel said in 2004, New Milfords proposal seemed solid, based on the population the hospital served and its ability to offer angioplasty.|br/||br/|[...] the hospital was never able to do the
Key to the Learning Objectives. Coronary Care Unit (The Johns Hopkins Hospital/Johns Hopkins Bayview)(3 months). Heart Failure and Heart Transplantation (General/Advanced) (2 months). Diagnostic Cardiac Catheterization (General/Advanced) [concurrent exposure to vascular medicine] (4 months). General Cardiology Consultations (3 months). Electrophysiology (2 months). Preventive Cardiology (1 month). Non-Invasive Cardiology, including echocardiography, TTE and TEEs, Doppler, stress testing and Holter monitoring. (4 months). Nuclear cardiology (2 months). Continuity Clinic (The Johns Hopkins Hospital/Johns Hopkins Bayview) (1/2 day weekly for 36 months). Instruction also is provided in Cardiac Rehabilitation, Palliative Care, Ethics, and PET.. Elective experiences are available in the following areas: Pediatric Cardiology; Vascular Medicine/Intervention; Advanced Non-invasive imaging, including Echocardiography, MRI, and CT; and, Cardiothoracic Surgery. These experiences are recommended and are ...
3. Connective tissue disorders not only monitor critical changes in heart function. 4. Nursing care of the cheek in a supine position. An underlay of fascia as well as intracellular lipid, is depleted, there is a hereditary predisposition to ob- structions in written form; explain that parents and children with burns, and hemolytic streptococcus species. 4. What was the sapphire trial. 1853 a. B. C. 3. Absolute contraindications include an evaluation from a primary disorder or autism spectrum disorders. 3117 a. B. A. B. A. Impaired physical mobility related to ineffective coping by child related to. Familial pat- terns of use. Intelligence and cognitive changes. 1. Instruct the woman to avoid a recurrence rate of fluid within a year. Assess the familys intended delivery facility. Encourage the patient to move with the human population. Diagnostic evaluation 1. Bone marrow transplant allows the patient undergoing diagnostic cardiac catheterization. Assess tidal volume; report decreasing volume to ...
Non-pharmacological interventions to reduce psychological distress in patients undergoing diagnostic cardiac catheterization: a rapid review
TY - JOUR. T1 - ACC/AHA/SCAI 2014 health policy statement on structured reporting for the cardiac catheterization laboratory. T2 - A report of the American College of Cardiology clinical quality committee. AU - Sanborn, Timothy A.. AU - Tcheng, James E.. AU - Vernon Anderson, H.. AU - Chambers, Charles E.. AU - Cheatham, Sharon L.. AU - Decaro, Matthew V.. AU - Durack, Jeremy C.. AU - Everett, Allen D.. AU - Gordon, John B.. AU - Hammond, William E.. AU - Hijazi, Ziyad M.. AU - Kashyap, Vikram S.. AU - Knudtson, Merrill. AU - Landzberg, Michael J.. AU - Martinez-Rios, Marco A.. AU - Riggs, Lisa A.. AU - Sim, Kui Hian. AU - Slotwiner, David J.. AU - Solomon, Harry. AU - Szeto, Wilson Y.. AU - Weiner, Bonnie H.. AU - Weintraub, William S.. AU - Windle, John R.. PY - 2014/6/17. Y1 - 2014/6/17. KW - ACC Health Policy Statements. KW - best practice model. KW - cardiac catheterization. KW - cardiac catheterization laboratory workflow. KW - clinical data interchange. KW - clinical document ...
The cardiac catheterization procedure takes between 30 minutes to an hour. You will not be completely asleep during the procedure, because it will be necessary to talk to you during the test. There will be several staff members in the lab that will assist the physician. A Coronary angiography is usually done along with cardiac catheterization. A Coronary Angiogram is a test that uses X-rays to help your doctor find narrowing or blockage in one or more of your coronary arteries. To perform an angiogram, your physician will numb your groin with medicine, The medicine may burn as it begins to work but then you should have no pain for the rest of the exam. A small thin tube called a catheter will be threaded through a large vessel in your leg known as the femoral artery. It will follow that artery to your heart. Some physicians have been specially trained to use the wrist (radial) artery, which is possible in certain patients and has an advantage of speedier recovery. Because catheters and devices ...
My sister recently had an echocardiogram which resulted in mild pulmonary hypertension. Her doctor now wants her to have the right heart catheterization (RHC) procedure. After reading about the risks involved I am very concerned and wondered if anyone has been through this procedure. I know she h...
Coronary artery disease (CAD) remains the worlds leading cause of death, causes widespread adverse effects on quality of life, and perpetuates massive healthcare spending. The involvement of lipid core plaques (LCPs) in CAD development, its progression, and acute coronary events has been well known for decades, yet detecting lipid core plaques in a living patient remains challenging. Detection of LCPs during the coronary catheterization procedure may lead to secondary prevention, reduction in procedural complications, and eventually the development of reliable non-invasive methods for primary prevention. Near infrared spectroscopy (NIRS) is widely used across numerous industries for rapid, non-destructive, remote identification of chemical compounds. Intravascular NIRS was developed for use during the coronary catheterization procedure and has been rigorously prospectively validated for a unique and novel diagnostic FDA claim for the detection of lipid core plaque. An additional important ...
{ consumer: Discusses test used to check your heart and coronary arteries. Covers reasons cardiac catheterization is done. Looks at how to prepare. Explains how the test is done in the cardiac catheterization laboratory (cath lab) by a cardiologist. Covers risks., clinical: Discusses test used to check your heart and coronary arteries. Covers reasons cardiac catheterization is done. Looks at how to prepare. Explains how the test is done in the cardiac catheterization laboratory (cath lab) by a cardiologist. Covers risks. } Solano County, California
Essential Medical has announced that it has completed a series B financing of US$14.9 million. The round was led by Amzak Health along with original series A investors including DSM Venturing, the venture investment arm of Royal DSM.. Greg Walters, president and CEO of the company, stated, "We are thrilled that Amzak Health has the confidence in the novel Essential Medical technology and our team to lead this round of financing along with our original investors. The Amzak group will also provide additional expertise and experience to our board of directors as our company transitions to commercialisation in Europe and the initiation of the US clinical trial for our Manta product.". Manta is a novel CE-marked vascular closure device designed to close punctures ranging from 10F to 24F at femoral arterial access sites after cardiac catheterisation procedures such as transcatheter aortic valve implantation (TAVI), endovascular treatment of abdominal aortic aneurysms (EVAR), ventricular assist (VAD), ...
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A system and method of catheterization, includes a needle, a Y chamber, a syringe or other chamber, a dilator, a sheath, a protective sleeve and a shock sheath. This introduces a comprehensive, uniform and universal approach to catheterization. Discriminatory methods of treatment using the invention are described. Particular attention has been paid to current problems in catheterization and the prevention of transmission of communicable diseases from patient to practitioner and vice-versa (e.g., the risk of contracting the HIV virus is substantially reduced using this system and method.) The discriminatory treatment of diseases, in particular, cancer, is now rapid, safe and in some instances, novel| The invention makes possible substantial reductions in the cost of health-care while improving the efficiency of diagnosis and treatment. The invention allows the practitioner to perform simultaneous diagnosis and treatment of diseases using the same procedure, regardless of their location in or on the
Looking for information on a cardiac catheterization procedure in Plano TX? With this test, Dr. Klein will be able to see any issues within your heart.
The main purpose of our new cardiac catheterization lab is to perform safe, effective procedures for the diagnosis and treatment of heart diseases," said Dr. Mark Apfelbaum, director of the NewYork-Presbyterian Cardiac Catheterization Laboratory at NewYork-Presbyterian/Lawrence Hospital and associate professor of medicine at Columbia University Medical Center. "Patients will benefit from high-quality, nationally renowned cardiologists performing these procedures, which are essential for patients who require tertiary care.". Staffed by interventional cardiologists and electrophysiologists of ColumbiaDoctors, the faculty practice of Columbia University Medical Center, the lab will offer a variety of minimally invasive procedures such as coronary stenting, heart biopsy, and pacemaker implantation and will be one of the few centers in Westchester licensed to perform emergency cardiac angioplasty for patients having a heart attack.. The lab will be open 24 hours a day, seven days a week. It is ...
Definition : Vascular catheters designed to facilitate intravascular access through their lumen to specific vessels (e.g., iliac, carotid, and coronary arteries). These catheters (also known as guiding sheaths) usually consist of a single-lumen tube with an appropriate configuration, stiffness, and tip to access a particular section of the vasculature. Guiding vascular catheters are used to insert other catheters, guide wires, balloons, occlusion devices, and stents, while performing intravascular catheterization procedures (e.g., angioplasty, atherectomy). Dedicated vascular guiding catheters are also used in a variety of intravascular (e.g., peripheral, central venous) introducers and catheterization procedure kits and trays.. Related Terms : "Catheter Introducers, Vascular". Entry Terms : "Radial Artery Guiding Catheters" , "Stenting Guiding Catheters" , "Brachial Artery Guiding Catheters" , "Femoral Artery Guiding Catheters" , "Catheters, Femoral" , "Catheters, Stent Deployment" , ...
Interested in how heart cath procedure works? Arkansas Heart Hospital provides some of the top equipment and talent for cardiac catheterization.
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Cardiac catheterization (heart cath) is the insertion of a catheter into a chamber or vessel of the heart. This is done both for diagnostic and interventional purposes. Subsets of this technique are mainly coronary catheterization, involving the catheterization of the coronary arteries, and catheterization of cardiac chambers and valves of the cardiac system. "Cardiac catheterization" is a general term for a group of procedures that are performed using this method, such as coronary angiography and left ventricle angiography. Once the catheter is in place, it can be used to perform a number of procedures including, coronary angioplasty, balloon septostomy, electrophysiology study or catheter ablation. Procedures can be diagnostic or therapeutic. For example, coronary angiography is a diagnostic procedure that allows the interventional cardiologist to visualize the coronary vessels. Percutaneous coronary intervention, however, involves the use of mechanical stents to increase blood flow to ...
Cardiac Catheterization is a procedure used to diagnose and treat cardiovascular conditions. During cardiac catheterization, a long thin tube called a catheter is inserted in an artery or vein in your groin, neck or arm and threaded through your blood vessels to your heart. Using this catheter, doctors can then do diagnostic tests as part of a cardiac catheterization. Some heart disease treatments, such as coronary angioplasty, also are done using cardiac catheterization ...
Cardiac catheterization procedures involve the insertion of a catheter into a chamber or vessel of the heart for investigational and interventional purposes. A small puncture is made most commonly in the femoral artery in the groin region. A guidewire is then inserted into the incision and thr.... ...
Discover the first hybrid pediatric cardiac catheterization lab in Central Florida - designed to effectively diagnose and treat your childs heart condition
Blockages prevent your heart from getting oxygen and important nutrients. This procedure is used to diagnose coronary heart disease and coronary microvascular disease after chest pain, sudden cardiac arrest, or abnormal results from tests such as an electrocardiogram (EKG) of the heart or an exercise stress test. It is important to detect blockages because over time they can cause chest pain, especially with physical activity or stress, or a heart attack. If you are having a heart attack, coronary angiography can help your doctors plan your treatment.. Cardiologists, or doctors who specialize in the heart, will perform coronary angiography in a hospital or specialized laboratory. You will stay awake so you can follow your doctors instructions, but you will get medicine to relax you during the procedure. You will lie on your back on a movable table. Often, coronary angiography is done with a cardiac catheterization procedure. For this, your doctor will clean and numb an area on the arm, groin or ...
Special article. vascular resistance is the resistance that must be overcome to push blood through the circulatory system and create flow. "uretic catheter": original article. gavin j. deep venous thrombosis (dvt) is a manifestation of venous thromboembolism (vte). grossman cardiac catheterization pdf free berlin, sc.d., william. schulman, m.d., jesse a. uses. intracardiac echocardiography to guide transseptal catheterization for radiofrequency catheter ablation of left-sided accessory pathways: rogers, ph.d., sarah wordsworth, ph. kevin a. two case reports. liberal or restrictive transfusion after cardiac surgery. the effect of race and sex on physicians recommendations for cardiac catheterization. murphy, f.r.c.s., katie grossman cardiac catheterization pdf free pike, m.sc., chris a.. ...
There are ,400,000 percutaneous transluminal coronary angioplasty (PTCA) procedures performed each year in the United States, at an estimated cost of 6 billion dollars ([1]). Health care providers are under intense pressure from third-party payers to reduce the cost associated with PTCA ([2]). One proposed cost reduction strategy is to perform PTCA at the time of the initial diagnostic catheterization ("combined," "ad hoc" or "add-on" procedures [[3, 4]]). Along with the potential for decreasing length of hospital stay and costs ([3]), these "combined" PTCAs may also reduce the risk of peripheral vascular complications and patient exposure to radiation and contrast agents ([3]).. However, the potential benefits of performing combined procedures must be weighed against their possible risks. Performing PTCA immediately after a diagnostic procedure involves prolongation of the catheterization procedure and may not allow for as careful an assessment of the indications for or technical difficulty of ...
KLH Architects. KLH healthcare architectural project commissioned by West Suffolk Hospital. A new Cardiac Catheterisation Laboratory & Cardiac Critical Care Ward.
Hackensack UMC Mountainside has specially equipped rooms in its Cardiac Catheterization Laboratory led by a dedicated team certified in CPR and ACLS.
In rare cases, your child may need a temporary procedure to increase blood flow to the lungs until complete repair can be done. A Surgical shunt may be required to provide stable pulmonary blood flow with complete repair deferred until your child is older. Your child may also need a cardiac catheterization procedure. This will give the doctor more details about the condition. The doctor may also use the procedure to widen the pulmonary valve before the surgery. To widen the valve, the doctor uses a thin, flexible tube (catheter) with a balloon to stretch the valve open. Your childs cardiologist will tell you more about this, if needed.. ...
Invasive cardiology. Cardiovascular technologists specializing in invasive procedures are called cardiology technologists. They assist physicians with cardiac catheterization procedures in which a small tube, or catheter, is threaded through a patients artery from a spot on the patients groin to the heart. The procedure can determine whether a blockage exists in the blood vessels that supply the heart muscle or help to diagnose other problems. Some of these procedures may involve balloon angioplasty, which can be used to treat blockages of blood vessels or heart valves without the need for heart surgery. Cardiology technologists assist physicians as they insert a catheter with a balloon on the end to the point of the obstruction. Catheters are also used in electrophysiology tests, which help locate the specific areas of heart tissue that give rise to the abnormal electrical impulses that cause arrhythmias ...