Deep vein thrombosis (DVT) is a blood clot in the deep veins, and can be caused by broken bones, trauma to a limb, immobility, medications, smoking, cancer, genetic predisposition, and cancer. Symptoms of a deep vein thrombosis in a leg are swelling, tenderness, redness, warmth, and pain. Treatments for DVT include medications and surgery. Read more: Deep Vein Thrombosis (DVT, Blood Clot in the Legs) Article
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DVT (Deep Vein Thrombosis) and Pulmonary Embolism (PE) Quiz
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Blood and Bleeding Disorders Quiz
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Picture of Blood Clot
Blood that has been converted from a liquid to a solid state. See a picture of Blood Clot and learn more about the health topic.
Low Blood Pressure (Hypotension): Symptoms, Signs, Causes
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Spider & Varicose Veins: Causes, Before and After Treatment Images
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A Visual Guide to Deep Vein Thrombosis
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Drug Interactions: Foods, Drugs, Herbs Affecting Medications
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Foot Health: Causes of Swollen Feet and Ankles
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Leg Pain: Causes and Treatment for Leg, Calf, and Thigh Pain
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Blood Clots: 4 Signs You Could Have One
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Related Disease Conditions
Angina is chest pain due to inadequate blood supply to the heart. Angina symptoms may include chest tightness, burning, squeezing, and aching. Coronary artery disease is the main cause of angina but there are other causes. Angina is diagnosed by taking the patient's medical history and performing tests such as an electrocardiogram (EKG), blood test, stress test, echocardiogram, cardiac CT scan, and heart catheterization. Treatment of angina usually includes lifestyle modification, medication, and sometimes, surgery. The risk of angina can be reduced by following a heart healthy lifestyle.
Antiphospholipid syndrome (phospholipid antibody syndrome or Hughes syndrome) is an immune system disorder with symptoms that include: excessive blood clotting, miscarriages unexplained fetal death, or premature birth. In antiphospholipid syndrome, these symptoms are accompanied by the presence of antiphospholipid antibodies (cardiolipin or lupus anticoagulant antibodies) in the blood. Treatment focuses on preventing clotting by thinning the blood with the use of anticoagulants and aspirin.
A stroke is an interruption of the blood supply to part of the brain caused by either a blood clot (ischemic) or bleeding (hemorrhagic). Symptoms of a stroke may include: weakness, numbness, double vision or vision loss, confusion, vertigo, difficulty speaking or understanding speech. A physical exam, imaging tests, neurological exam, and blood tests may be used to diagnose a stroke. Treatment may include administration of clot-busting drugs, supportive care, and in some instances, neurosurgery. The risk of stroke can be reduced by controlling high blood pressure, high cholesterol, diabetes, and stopping smoking.
Varicose vein: A dilated (widened) tortuous (twisting) vein, usually involving a superficial vein in the leg, often associated with incompetency of the valves in the vein. These visible and bulging veins are often associated with symptoms such as tired, heavy, or aching limbs. Spider veins are a group of widened veins that can be seen through the surface of the skin.
Obesity is the state of being well above one's normal weight. A person has traditionally been considered to be obese if they are more than 20% over their ideal weight. That ideal weight must take into account the person's height, age, sex, and build.
Low Blood Pressure (Hypotension)
Low blood pressure, also referred to as hypotension, is blood pressure that is so low that it causes symptoms or signs due to the low flow of blood through the arteries and veins. Some of the symptoms of low blood pressure include light-headedness, dizziness, and fainting if not enough blood is getting to the brain. Diseases and medications can also cause low blood pressure. When the flow of blood is too low to deliver enough oxygen and nutrients to vital organs such as the brain, heart, and kidneys; the organs do not function normally and may be permanently damaged.
Intermittent claudication, or pain and cramping in the lower leg is caused by inadequate blood flow to the leg muscles. This lack of blood flow causes a decrease in oxygen delivered to the muscles of the legs. Claudication is generally felt when walking and decreases with rest. In severe cases, claudication may be felt at rest. Narrowing of arteries cause claudication. Treatment includes exercise, medication, and in some cases surgery.
Jet lag (desynchonosis) is a temporary disorder that results from travel across time zones. Symptoms include anxiety, constipation, headache, nausea, dehydration, diarrhea, confusion, sweating, irritability, and even memory loss.
Smoking (How to Quit Smoking)
Smoking is an addiction. More than 430,000 deaths occur each year in the U.S. from smoking related illnesses. Secondhand smoke or "passive smoke" also harm family members, coworkers, and others around smokers. There are a number of techniques available to assist people who want to quit smoking.
Edema is the swelling of tissues as a result of excess water accumulation. Peripheral edema occurs in the feet and legs. There are two types of edema, non-pitting edema and pitting edema. Causes of pitting edema is caused by systemic diseases (most commonly involving the heart, liver, and kidneys), and medications. Local conditions that cause edema are thrombophlebitis and varicose veins. Edema or swelling of the legs, feet, ankles, and face are common during pregnancy. Idiopathic edema is edema in which the cause is not known. Pitting edema is scored on pitting edema measurement scales. Edema is generally treated with medication.
Smoker's Lung: Pathology Photo Essay
Smoker's lung photo essay is a collection of pictures and microscopic slides of lung disease caused by cigarette smoking. Smoker's lung refers to the diseases and structural abnormalities in the lung caused by cigarette smoking.
Genetic Diseases (Disorder Definition, Types, and Examples)
The definition of a genetic disease is a disorder or condition caused by abnormalities in a person's genome. Some types of genetic inheritance include single inheritance, including cystic fibrosis, sickle cell anemia, Marfan syndrome, and hemochromatosis. Other types of genetic diseases include multifactorial inheritance. Still other types of genetic diseases include chromosome abnormalities (for example, Turner syndrome, and Klinefelter syndrome), and mitochondrial inheritance (for example, epilepsy and dementia).
Breast Cancer and Lymphedema
Lymphedema is a common chronic, debilitating condition in which excess fluid called lymph collects in tissues and causes swelling in them. It is common after a mastectomy, lumpectomy or breast cancer surgery and radiation therapy.
Sudden Cardiac Arrest
Sudden cardiac arrest is an unexpected, sudden death caused by sudden cardiac arrest (loss of heart function). Causes and risk factors of sudden cardiac arrest include (not inclusive): abnormal heart rhythms (arrhythmias), previous heart attack, coronary artery disease, smoking, high cholesterol, Wolff-Parkinson-White Syndrome, ventricular tachycardia or ventricular fibrillation after a heart attack, congenital heart defects, history of fainting, heart failure, obesity, diabetes, and drug abuse. Treatment of sudden cardiac arrest is an emergency, and action must be taken immediately.
Symptoms of 12 Serious Diseases and Health Problems
Learn how to recognize early warning signs and symptoms of serious diseases and health problems, for example, chronic cough, headache, chest pain, nausea, stool color or consistency changes, heartburn, skin moles, anxiety, nightmares, suicidal thoughts, hallucinations, delusions, lightheadedness, night sweats, eye problems, confusion, depression, severe pelvic or abdominal pain, unusual vaginal discharge, and nipple changes. The symptoms and signs of serious health problems can be caused by strokes, heart attacks, cancers, reproductive problems in females (for example, cancers, fibroids, endometriosis, ovarian cysts, and sexually transmitted diseases or STDs), breast problems (for example, breast cancer and non-cancer related diseases), lung diseases (for example, chronic obstructive pulmonary disease or COPD, lung cancer, emphysema, and asthma), stomach or digestive diseases (for example, cancers, gallbladder, liver, and pancreatic diseases, ulcerative colitis, or Crohn's disease), bladder problems (for example, urinary incontinence, and kidney infections), skin cancer, muscle and joint problems, emotional problems or mental illness (for example, postpartum depression, major depression, post-traumatic stress disorder (PTSD), mania, and schizophrenia), and headache disorders (for example, migraines, or "the worst headache of your life), and eating disorders and weight problems (for example, anorexia or bulimia).
ARDS (Acute Respiratory Distress Syndrome)
Acute respiratory distress syndrome (ARDS) is a lung condition in which trauma to the lungs leads to inflammation of the lungs, accumulation of fluid in the alveolar air sacs, low blood oxygen, and respiratory distress. ARDS can be life-threatening. Signs and symptoms of are shortness of breath and low levels of oxygen in the blood, which can cause your organs to fail. Causes of ARDS include: Pneumonia Aspiration into the lungs Severe blow to the chest Sepsis Severe injury with shock Drug overdose Inflamed pancreas Other lung conditions and infections Burns Sepsis Near drowning Fractures There have been genetic factors linked to ARDS. Treatment for includes supplemental oxygen, and/or medication. According to some studies, survival rates for ARDS depend upon the cause associated with it, but can vary from 48% to 68%.REFERENCES: Harman, EM, MD. "Acute Respiratory Distress Syndrome Clinical Presentation." Medscape. Updated: Aug 11, 2016. Harman, EM, MD. "Acute Respiratory Distress Syndrome." Medscape. Updated: Aug 11, 2016. PubMed Health. "ARDS." Updated: Jun 11, 2014. Reynolds, HN. et al. Acute respiratory distress syndrome: estimated incidence and mortality rate in a 5 million-person population base. Crit Care. 1998; 2(1): 29–34. Published online 1998 Mar 12. doi: 10.1186/cc121
Chest pain is a common complaint by a patient in the ER. Causes of chest pain include broken or bruised ribs, pleurisy, pneumothorax, shingles, pneumonia, pulmonary embolism, angina, heart attack, costochondritis, pericarditis, aorta or aortic dissection, and reflux esophagitis. Diagnosis and treatment of chest pain depends upon the cause and clinical presentation of the patient's chest pain.
Pulmonary Embolism (Blood Clot in the Lung)
A pulmonary embolism (PE) occurs when a piece of a blood clot from deep vein thrombosis (DVT) breaks off and travels to an artery in the lung where it blocks the artery and damages the lung. The most common symptoms of a pulmonary embolism are shortness of breath, chest pain, and a rapid heart rate. Causes of pulmonary embolism include prolonged immobilization, certain medications, smoking, cancer, pregnancy, and surgery. Pulmonary embolism can cause death if not treated promptly.
Blood Clots (in the Leg)
Blood clots can occur in the venous and arterial vascular system. Blood clots can form in the heart, legs, arteries, veins, bladder, urinary tract and uterus. Risk factors for causes of blood clots include high blood pressure and cholesterol, diabetes, smoking, and family history. Symptoms of a blood clot depend on the location of the clot. Some blood clots are a medical emergency. Blood clots are treated depending upon the cause of the clot. Blood clots can be prevented by lowering the risk factors for developing blood clots.
Phlebitis is the inflammation of a vein. Thrombophlebitis is when a blood clot causes the inflammation. Phlebitis can be superficial or deeper in the veins. A blood clot deep in a vein is deep vein thrombosis (DVT). Some of the common causes of phlebitis include prolonged inactivity, varicose veins, trauma to a vein, underlying cancers, clotting disorders, and other causes. Symptoms of phlebitis may be mild (pain, tenderness, redness, or bulging of a vein. Treatment of phlebitis depends on the cause.
High Red Blood Cell Count (Polycythemia)
Polycythemia (elevated red blood cell count) is a rare blood disease in which the body produces too many red blood cells. Causes of polycythemia are either primary (acquired or genetic mutations) or secondary (diseases, conditions, high altitude).
Enlarged Spleen (Splenomegaly) Symptoms, Signs, Causes,Treatment
An enlarged spleen or splenomegaly, is generally caused by other diseases or conditions such as infections, cancers, blood disorders, or decreased blood flow. Symptoms of an enlarged spleen are often unnoticed. A feeling of fullness after eating a small amount of food and not being able to eat large meals may be a symptom of an enlarged spleen. Treatment for an enlarged spleen depends upon the cause.
Lymphedema is a condition in which one or more extremities become swollen as the result of an impaired flow of the lymphatic system. There are two types of lymphedema: primary and secondary. Filariasis is the most common cause of lymphedema worldwide. In the U.S., breast cancer surgery is the most common cause. Symptoms include swelling of one or more limbs, cracked and thickening skin, and secondary bacterial or fungal infections of the skin. There is no cure for lymphedema.
Scalp Psoriasis (Psoriasis of the Scalp)
Scalp psoriasis causes red, raised, scaly patches that may extend from the scalp to the forehead and the back of the neck and ears. Symptoms and signs include itching, hair loss, flaking, silvery scales, and red plaques. Treatment includes topical medicated shampoos, creams, gels, oils, ointments, and soaps, medications, and light therapy.
Common Medical Abbreviations List
Doctors, pharmacists, and other health-care professionals use abbreviations, acronyms, and other terminology for instructions and information in regard to a patient's health condition, prescription drugs they are to take, or medical procedures that have been ordered. There is no approved this list of common medical abbreviations, acronyms, and terminology used by doctors and other health- care professionals. You can use this list of medical abbreviations and acronyms written by our doctors the next time you can't understand what is on your prescription package, blood test results, or medical procedure orders. Examples include: ANED: Alive no evidence of disease. The patient arrived in the ER alive with no evidence of disease. ARF: Acute renal (kidney) failure cap: Capsule. CPAP: Continuous positive airway pressure. A treatment for sleep apnea. DJD: Degenerative joint disease. Another term for osteoarthritis. DM: Diabetes mellitus. Type 1 and type 2 diabetes HA: Headache IBD: Inflammatory bowel disease. A name for two disorders of the gastrointestinal (BI) tract, Crohn's disease and ulcerative colitis JT: Joint N/V: Nausea or vomiting. p.o.: By mouth. From the Latin terminology per os. q.i.d.: Four times daily. As in taking a medicine four times daily. RA: Rheumatoid arthritis SOB: Shortness of breath. T: Temperature. Temperature is recorded as part of the physical examination. It is one of the "vital signs."
Atrial Flutter: ECG, Symptoms, and Treatments
Atrial flutter is a problem with the atria of the heart. In atrial flutter the atria of the heart rapidly and repeatedly beat due to an anomaly in the electrical system of the heart. It is a type of arrhythmia and can be dangerous because complications can develop easily. Signs and symptoms of atrial flutter include near fainting, palpitations, mild shortness of breath, and fatigue. While the exact cause of atrial flutter is not clearly understood, it's most likely related to your health, what medical conditions you certainly have, poor diet, lack of exercise, and drinking too much alcohol. Atrial flutter is diagnosed by physical examination, medical history, and a sawtooth ECG wave pattern.
DVT and Birth Control Pills (Oral Contraceptives)
Deep vein thrombosis (DVT) is a blood clot that has traveled deep into the veins of the arm, pelvis, or lower extremities. Oral contraceptives or birth control pills can slightly increase a woman's risk for developing blood clots, including DVT. DVT symptoms and signs in the leg include leg or calf pain, redness, swelling, warmth, or leg cramps, and skin discoloration. If a blood clot in the leg is not treated, it can travel to the lungs, which can cause a pulmonary embolism (blood clot in the lung) or post-thrombotic syndrome, both of which can be fatal if not treated immediately. Increased risk factors for DVT and birth control pills include over 40 years of age, family history, smoking, and obesity. Other medical problems that increase the risks of blood clots, for example, lung or heart disease, or inflammatory bowel disease or IBD (Crohn's disease and ulcerative colitis (UC). Other options for preventing pregnancy include IUDs, birth control shots, condoms, diaphragms, and progestin-only oral contraceptives.
DVT (Deep Vein Thrombosis) During Pregnancy
Deep vein thrombosis or DVT is a condition in which a blood clot becomes embedded in one of the deep veins of the arms, thighs, pelvis, or lower legs. Warning signs and symptoms of DVT include pain, warmth, redness, swelling, leg cramps, and worsening leg pain in the affected extremity. Many conditions and other factors can cause DVTs, for example, during pregnancy including postpartum (6-8 weeks after delivery of the baby), obesity, heart attacks or heart failure, cancer, birth control pills (oral contraceptives), recent surgery, high altitudes, and advanced age. Treatment guidelines for DVT diagnosed during pregnancy is anticoagulation (anti-clotting) drugs, usually, low-molecular-weight heparins. DVT treatment may need to be continued postpartum. Warfarin (Coumadin, Jantoven) should not be used to treat DVT during pregnancy because it can harm the developing fetus.
How Do You Know If You Have a Blood Clot in Your Leg?
Blood clots are clumps of blood formed when the blood changes from a fluid to a semisolid form. When a blood clot is formed in one of the large veins in the legs or arms, the condition is called deep vein thrombosis (DVT). A blot clot in your leg can hamper the flow of oxygen and nutrients to the affected area. An untreated DVT may cause the clot to grow bigger and break in small pieces that can travel to other organs, such as the heart and lungs, causing serious consequences.
What Does a Blood Clot Feel Like?
Blood clots are semi-solid masses of blood that may be immobile (thrombosis) and impede blood flow or dislodge to other parts of the body (embolism). Deep vein clots, if dislodged, can travel through veins through the lungs to the arteries in the lungs. This is referred to as a pulmonary embolism and can be deadly. Blood clots can also lead to a heart attack or stroke.
Local ResourcesFind a local Cardiologist in your town
Treatment & Diagnosis
- Blood and Bleeding Disorders FAQs
- Deep Vein Thrombosis and Pulmonary Embolism FAQs
- Drug Interactions: Know Ingredients, Consult Your Physician
- How Pie Prevents Blood Clots
- What Is a Hospitalist?
- Serena Williams Battles Pulmonary Embolism and a Hematoma
- Pancreatic Cancer, the Silent Disease
- 6 Tips if You Need Healthcare When Traveling
- Cardiac Arrest Symptoms and Causes
Medications & Supplements
- aspirin - oral, Easprin, Ecotrin
- aspirin chewable - oral, Children's Aspirin
- warfarin - oral, Coumadin
- cilostazol - oral, Pletal
- enoxaparin - injection, Lovenox
- warfarin (Coumadin, Jantoven)
- clopidogrel bisulfate (Plavix)
- alteplase (TPA, Activase, Cathflo Activase)
- Lovenox (enoxaparin)
- coumarin-type drugs-oral
- dalteparin injection (Fragmin)
- dalteparin vial - injection, Fragmin
- tirofiban - injection, Aggrastat
- fondaparinux - injection, Arixtra
- evening primrose oil
- streptokinase-injection, Kabikinase, Streptase
- eptifibatide - injection, Integrilin
- tinzaparin - injection
- heparin (Hemochron, Hep-Lock)
- anagrelide - oral, Agrylin
- Eliquis (apixaban)
- rivaroxaban (Xarelto)
- idarucizumab (Praxbind)
- dabigatran (Pradaxa)
- Anticoagulants (Anticoagulant Drug Class)
- Coumadin vs. Plavix (Differences and Similarities)
- Aspirin vs. Aleve (Naproxen)
- Aspirin vs. Eliquis (apixaban)
- Aspirin vs. Tylenol (acetaminophen)
- Aspirin vs. warfarin (Coumadin, Jantoven)
- Aspirin vs. Xarelto (rivaroxaban)
- Effient (prasugrel)
- clopidogrel (Plavix) vs. heparin (Hemochron)
- Plavix (clopidogrel) vs. Coumadin (warfarin)
- Plavix (clopidogrel) vs. Xarelto (rivaroxaban)
- Plavix (clopidogrel) vs. Effient (prasurgrel)
- Side Effects of Mephyton (phytonadione)
- Side Effects of Coumadin (warfarin)
- Side Effects of Ticlid (ticlopidine)
- Side Effects of Kinlytic (urokinase)
- Side Effects of Xarelto (rivaroxaban)
- Side Effects of Lovenox (enoxaparin)
Prevention & Wellness
- AHA News: How Much Do You Know About Thrombosis? Probably Not Enough
- DVT Clots Strike Many Critically Ill COVID-19 Patients: Study
- Could Tiny Blood Clots Make COVID-19 More Lethal?
- U.S. Veterans With Blocked Leg Arteries Seeing Better Results
- Hot Chocolate Could Help Ease Painful Clogged Leg Vessels
- Cluster of Unhealthy Risk Factors Could Raise Odds of Recurrent Blood Clots
- Clots in Space: Astronaut's Blocked Vein Brings Medical Insight
- Testosterone Supplements Double Men's Odds for Blood Clots: Study
- Smoking Creates Long-Lasting Risk for Clogged Leg Arteries
- AHA News: Dangerous Blood Clots May Be the Latest Risk From 'Bad' Cholesterol
- AHA News: Overweight Kids at Higher Risk for Blood Clots as Adults
- Cablivi Approved for Rare Clotting Disorder
- Health Tip: Understanding Blood Clots
- Shorter People May Duck Risk of Varicose Veins
- Gene Test Predicts Risk of 5 Common Diseases
- E-Cig Flavorings May Damage Lining of Blood Vessels
- Surgical Blood Transfusions Tied to Clot Risk
- Further Signs That Too Much Sitting Can Raise Clot Risk
- Health Tip: Factors That Raise Risk of Blood Clot
- A Better Clot-Buster Drug for Strokes?
- Magnetic Heart Pump Cuts Risk of Blood Clots, Stroke in Study
- Varicose Veins Tied to Higher Odds for Blood Clots
- Too Much TV Could Boost Your Odds for a Blood Clot
- Powerful Clot-Busting Drugs Not Useful After Leg Blockages: Study
- Newer Blood Thinners May Not Bring Higher Bleeding Risk
- There May Be a Big Medical Upside to Being Short
- Taking a Holiday Trip? Protect Yourself From Blood Clots
- Testosterone Therapy May Be Linked to Serious Blood Clots
- C-Section Raises Risk of Blood Clots After Childbirth: Review
- Hillary Clinton's Pneumonia: How Serious, the Prognosis
- Health Tip: Know Your Risk for Deep Vein Thrombosis
- How Long Do Patients With Clots in the Lung Need Blood Thinners?
- Newer Blood Thinner Beats Heparin for Certain Heart Attacks
- FDA OKs New Anti-Clotting Drug for Heart Rhythm Disorder
- Blood-Thinning Drug Savaysa Approved
- Time Spent in the OR May Be Linked to Blood Clots, Study Shows
- Common Painkillers Tied to Blood Clot Risk, Study Suggests
- Most Treatments for Blood Clots Appear Safe, Effective
- Study: Aspirin Might Work Instead of Warfarin for Deep Vein Clots
- FDA Approves New DVT Blood Clot Treatment
- Blood Thinner Doesn't Prevent Miscarriages: Study
- Preemies May Have Higher Risk of Blood Clots, Even as Adults
- Study Casts Doubt on Costly Treatment for Leg Clots
- Testosterone Products Must Warn About Risk of Venous Clots: FDA
- Urine Test May Help Spot Dangerous Blood Clots
- Taking Blood Thinners With Certain Painkillers May Raise Bleeding Risk
- Lengthy Car, Plane Rides Pose Risk of Clots
- Studies Suggest Better Approaches to Staying Clot-Free
- Health Tip: When Deep Vein Thrombosis Causes Symptoms
- Aspirin Equals Pricier Blood Thinner for Preventing Clots: Study
- Comparing the New Blood Thinners to Warfarin
- Study Probes Use of Filter Device to Stop Deadly Blood Clots
- Diabetes Doesn't Seem to Raise Risks After Knee Replacement
- Asthma Linked to Increased Risk of Dangerous Lung Blockage
- New Blood Thinner May Help Prevent Leg Clots, Study Finds
- Drug Slows Knee Osteoarthritis Progression
- Xarelto's Approval Expanded
- Post-Flight Fainting May Signal Dangerous Blood Clot: Study
- Rheumatoid Arthritis May Be Linked to More Blood Clots
- Many Suffer Leg, Lung Clots While Hospitalized: CDC
- Aspirin May Prevent Recurrence of Deep Vein Blood Clots
- Blood Clot Risk Linked to Some Non-Pill Contraceptives
- Blood Clot Risk for Outpatients Needs More Attention: Study
- Avoid Window Seats to Cut Risk for In-Flight Blood Clots: Study
- Low Iron Levels May Increase Blood Clot Risk
- Aspirin May Reduce Risk of Repeat Blood Clots
- Procedure May Lower Complications After Leg Clots
- Inflammatory Bowel Disease Tied to Higher Risk of Post-Op Blood Clots