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State-of-the-art cross-sectional liver imaging: beyond lesion detection and characterization Gustavo Felipe Luersen, Priya Bhosale, Janio Szklaruk Department of Diagnostic Radiology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA Abstract: Cross-sectional imaging with computed tomography or magnetic resonance imaging is routinely used to detect and diagnose liver lesions; however, these examinations can provide additional important information. The improvement of equipment and techniques has allowed outstanding evaluation of the vascular and biliary anatomy, which is practicable in most routine examinations. Anatomical variants may exclude patients from certain therapeutic options and may be the cause of morbidity or mortality after surgery or interventional procedures. Diffuse liver disease, such as steatosis, hemochromatosis, or fibrosis, must be diagnosed and quantified. Usually these conditions are silent until the late stages, and imaging plays an important role in detecting them early. Additionally, a background of diffuse disease may interfere in a focal lesion systematic reasoning. The diagnostic probability of a particular nodule varies according to the background liver disease. Nowadays, most diffuse liver diseases can be easily and accurately quantified by imaging, which has allowed better understanding of these diseases and improved patient management. Finally, cross-sectional imaging can calculate total and partial liver volumes and estimate the future liver remnant after hepatectomy. This information helps to select patients for portal vein embolization and reduces postoperative complications. Use of a specific hepatic contrast agent on magnetic resonance imaging, in addition to improving detection and characterization of focal lesions, provides functional global and segmental information about the liver parenchyma. Keywords: cirrhosis, steatosis, iron overload, vascular anatomy, biliary anatomy, functional liver remnant
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Venous ulcers of the leg occur because the veins become stretched, which prevents the valves in the veins from fully closing.Lack of exercise and lack of physic
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100 Item Exam on Fundamentals of Nursing - Free download as PDF File (.pdf), Text File (.txt) or read online for free. This document provides a 100-item exam on fundamentals of nursing including the nursing process, physical and health assessment, and routine procedures. The exam covers topics like the nursing process, physical assessment, health assessment, temperature, pulse, respiration, blood pressure, and routine procedures such as urinalysis, sputum collection, urine examination, positioning, and stool specimen collection. It is a multiple choice exam intended to test nursing students' and nurses' knowledge of important fundamental nursing concepts.
cardiology notes - Free download as Word Doc (.doc), PDF File (.pdf), Text File (.txt) or read online for free. The document discusses the cardiovascular system including heart rate, the vascular system, and factors that affect heart rate. It then summarizes various laboratory procedures used to diagnose cardiac issues like myocardial infarction. These include cardiac proteins and enzymes like CK-MB and LDH that are elevated during an MI. Other markers discussed include myoglobin, troponin I and T, and a lipid profile. Diagnostic tests covered include ECG, Holter monitoring, echocardiogram, stress testing, cardiac catheterization, and measuring CVP. Conditions explained include CAD, angina pectoris, and myocardial infarction.
A Study of Left Renal Artery Pseudoaneurysm With Multiple Fractures of Stent. Read more in Vascular Disease Management.
While palpating the pulse of a patient, you note that the pulse wave has two peaks. You auscultate the heart and are certain that there is o...
The treatment of aortoiliac occlusive disease has shifted to endovascular therapy. Even in complex lesion, precise angiography enables successful treatment in endovascular work. However, complications‐related endovascular intervention of these lesions is catastrophic. Accurate angiographic assessment is mandatory to complete the procedure. This article reviews angiographic approach for aortoiliac artery disease in diagnosis, endovascular intervention, and complications.
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NCP-Risk-for-Infection - Free download as Word Doc (.doc), PDF File (.pdf), Text File (.txt) or view presentation slides online. The nursing care plan is for a 27-year old female patient named MG who recently had surgery. The plan identifies risks for infection and acute pain as nursing diagnoses. Short term goals are for the patient to reduce infection risk and long term to avoid signs of infection. Interventions include assessing for infection signs, emphasizing handwashing and wound care. For pain, the short term goal is for the patient to report increased comfort after interventions like repositioning and the long term goal to avoid pain signs. The evaluation found the patient free of infection signs and able to report increased comfort meeting the goals of the plan.
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Ventilation perfusion mismatch exists when balance between ventilated alveoli and lung blood flow is lost. V/Q mismatch can cause respiratory failure.
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A discussion of the Ankle-Brachial Index (ABI), why it matters, and how healthcare providers can get better at administering it.
