Deep Venous Thrombosis and Pulmonary Embolism: Pathogenesis and Evaluation

What is the main difference between superficial venous thrombosis and deep venous thrombosis?

Which condition is described as 'presence of thrombus within a vein accompanied by inflammation'?

What is the annual incidence of DVT/PE in the United States according to the text?

Which condition following foot and ankle surgery has an incidence rate of 0.15% based on the text?

In Virchow’s Triad, what does 'alterations in the constituents of the blood' refer to?

Which characteristic makes pulmonary embolism potentially fatal according to the text?

What is the main reason behind the formation of thrombus in deep veins according to the text?

In the context of deep vein thrombosis (DVT), what is a common symptom that should raise a high index of suspicion?

What is the typical location of distal DVT as mentioned in the text?

What percentage of thigh DVT cases are likely to propagate to pulmonary embolism if left untreated, based on the text?

What is one of the key functions of valves in deep veins?

How does blood from superficial veins typically pass into deep veins according to the text?

What is the recommended treatment for acute isolated distal DVT without severe symptoms or risk factors?

Which anticoagulant is NOT typically recommended for DVT management based on the information provided?

What does LMWH stand for in the context of DVT management?

In which scenario is thrombectomy seldom performed according to the text?

Why do most providers continue to prescribe prophylaxis despite recommendations against it?

What is the main purpose of oral chemoprophylaxis in DVT management?

What is the potential impact of thorough risk assessment on venous thromboembolism prophylaxis implementation in foot and ankle surgery?

What is a potential consequence of not implementing proper deep venous thrombosis prophylaxis in orthopedic surgery?

In the context of the cohort study by Sweetland et al., what demographic group was specifically studied regarding the postoperative risk of venous thromboembolism?

How does superficial venous thrombosis differ from deep venous thrombosis according to the information provided in the text?

What key factor contributes to the potential fatality of pulmonary embolism as highlighted in the mentioned information?

What is the most common presenting symptom for pulmonary embolism (PE)?

Which test uses radioactive material to examine airflow and blood flow in the lungs?

What is the reported sensitivity and specificity of noninvasive duplex ultrasound in diagnosing deep vein thrombosis (DVT)?

When should a ventilation perfusion scan (V/Q scanning) be mostly reserved for patients?

What was the average timing to the diagnosis of venous thromboembolism (VTE) according to Saragas et al?

What can a positive Homan sign indicate in patients?

What timing of DVT postoperatively has been described as a bell curve with increased incidence around week 2 and 3 following inpatient shoulder replacement?

Which test is reserved for patients in whom computed tomography pulmonary angiogram (CTPA) is contraindicated or inconclusive?

What symptom is NOT mentioned as a common presenting symptom for pulmonary embolism?

What is the sensitivity and specificity of noninvasive duplex ultrasound in diagnosing deep vein thrombosis (DVT)?

For which condition would a chest x-ray typically show normal or near-normal results?

What is the most likely diagnosis associated with a positive Homan sign according to the given text?

Why is postoperative deep vein thrombosis (DVT) prevention considered fundamental according to the text?

What does the ACFAS Clinical Consensus Panel recommend regarding chemical prophylaxis in foot and ankle surgery?

What is one of the main reasons specialty societies emphasize venous thromboembolism prophylaxis after hip or knee arthroplasty?

Why is it important to identify patients at risk for deep vein thrombosis (DVT) according to the text?

What is a key rationale behind not prescribing routine chemical prophylaxis in foot and ankle surgery?

Why does the text suggest that foot and ankle surgeons should develop a prophylaxis plan for high-risk patients?

In what situation would the American College of Chest Physicians (ACCP) 2012 guidelines recommend performing serial imaging of the deep veins for 2 weeks?

Which type of management is NOT recommended for most cases of deep vein thrombosis (DVT) according to the information provided?

What is the primary purpose of LMWH in venous thromboembolism prophylaxis according to the text?

Which anticoagulant is commonly used with a heparin bridge for treating deep vein thrombosis (DVT)?

When should anticoagulation therapy be initiated in patients with acute isolated distal DVT?

What does the American College of Chest Physicians (ACCP) 2012 guidelines recommend for patients with acute isolated distal DVT without severe symptoms or risk factors?

What is a common consideration for choosing the type of anticoagulation therapy post-surgery?

Based on the text, why is it important to identify risk factors before discussing anticoagulation plans?

What is a key factor influencing the duration of anticoagulation treatment post-surgery?

Why should healthcare providers reach out to Primary Care Physicians (PCP) or Hematology for additional guidance?

Which factor plays a significant role in deciding the appropriate anticoagulation therapy?

What is a key aspect to consider when discussing plans for anticoagulation after foot and ankle surgery?

What potential impact can a lack of proper venous thromboembolism prophylaxis implementation have on patients undergoing foot and ankle surgery?

In the context of orthopedic surgery, which factor might contribute significantly to the potential fatality of pulmonary embolism?

What is the main reason behind the recommendation for continued prescription of prophylaxis by most providers despite some guidelines suggesting otherwise?

In the study by Sweetland et al., what specific demographic group was the focus in assessing the postoperative risk of venous thromboembolism?

What is the primary purpose of using oral chemoprophylaxis in the management of deep vein thrombosis?

What differentiates delayed union from nonunion?

What is the key characteristic of an atrophic nonunion?

What distinguishes hypertrophic nonunion from atrophic nonunion?

Which term describes osseous healing that has occurred but in less than an optimal position?

What type of nonunion is characterized by radiographically abundant callus formation and lack of union between bone ends?

In the context of bone grafting, what type of situation would most likely require grafting?

What is the basic science rationale behind the use of electrical stimulation for bone healing?

In the context of Extracorporeal Shock Wave Therapy (ESWT), what is the purpose of inducing microtrauma in the bone?

What is considered the 'gold standard' for bone grafting due to its osteoinductive, osteogenic, and osteoconductive properties?

Based on the text, what is a contraindication for the use of Electrical Stimulation in bone healing?

What is the main rationale behind using Autogenous Bone Graft in bone healing procedures?

What type of wave is utilized in Extracorporeal Shock Wave Therapy (ESWT) to induce microtrauma in the bone?

Which scenario is most likely to lead to a Septic Nonunion based on the text?

What is a key characteristic of Pseudoarthrosis according to the text?

Which statement best describes Secondary (Indirect) Bone Healing?

What is a critical factor influencing Osseous Healing according to the text?

Which factor plays a significant role in the Diamond Concept Etiology of Nonunion?

What is the primary role of Osteogenic Cells in the Diamond Concept according to the text?

What is the main function of Osteoconductive Matrix in the Diamond Concept?

'Mechanical Stability' is a key factor in the Diamond Concept for encouraging which cell type in bone healing?

'Nicotine Use' is associated with an increased risk of what outcome according to the text?