Xem 1-18 trên 18 kết quả Arterial circulation
  • (BQ) Part 1 book "Neurovascular imaging - From basics to advanced concepts" presents the following contents: The basics - Embryology, pathological basis of vascular diseases and imaging techniques; carotid and vertebral artery - Anatomy, diseases and treatment; the basics of intracranial arterial circulation.

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  • In the past decade, the radial artery has frequently been used for coronary bypass surgery despite concern regarding the possibility of graft spasm. Graft patency is a key predictor of long-term survival. We therefore sought to determine the relative patency rate of radial-artery and saphenous-vein grafts in a randomized trial in which we controlled for bias in the selection of patients and vessels. methods We enrolled 561 patients at 13 centers. The left internal thoracic artery was used to bypass the anterior circulation....

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  • (BQ) Part 1 book "The facts - Pulmonary arterial hypertension" presents the following contents: So you’ve been told you have pulmonary arterial hypertension (PAH), the oxygenation and circulation of blood, blood pressure, palpitation, the difference between PH and PAH,...

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  • The perfect cardiac catheterization technique, including good diagnostic and therapeutic qualities, without risk and with no recovery time for the patient, does not exist. Obtaining initial access to the arterial circulation is the first and most frequent catheterization difficulty encountered by the interventional cardiologist during the procedure. Often, it is also the only difficult part of the exam for the patient because it may cause a vagal reaction or painful spasm.

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  • Heart rate is calculated as the number of times the heart beats per minute. It usually measures ventricular rate (the number of QRS complexes) but can refer to atrial rate (the number of P waves). The method chosen to calculate HR varies according to rate and regularity on the ECG tracing.

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  • Tuyển tập các báo cáo nghiên cứu về y học được đăng trên tạp chí y học Wertheim cung cấp cho các bạn kiến thức về ngành y đề tài: Long term follow up after surgery in congenitally corrected transposition of the great arteries with a right ventricle in the systemic circulation...

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  • The perfect cardiac catheterization technique, including good diagnostic and therapeutic qualities, without risk and with no recovery time for the patient, does not exist. Obtaining initial access to the arterial circulation is the first and most frequent catheterization difficulty encountered by the interventional cardiologist during the procedure. Often, it is also the only difficult part of the exam for the patient because it may cause a vagal reaction or painful spasm.

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  • Tham khảo sách 'ecg notes: interpretation and management guide_1', y tế - sức khoẻ, y học thường thức phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả

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  • (BQ) Part 2 book "Cardiovascular physiology" presents the following contents: The arterial system, the microcirculation and lymphatics, the peripheral circulation and its control, control of cardiac output - Coupling of heart and blood vessels, coronary circulation, special circulations, interplay of central and peripheral factors that control the circulation.

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  • (BQ) Part 1 book "Anatomy at a glance" presents the following contents: The thorax (the thoracic wall, the pleura and airways, the nerves of the thorax, the fetal circulation,...), the abdomen and pelvis (the abdominal wall, the arteries of the abdomen, the veins and lymphatics of the abdomen, the peritoneum,...).

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  • Diagnosis (Fig. 46-1) Hyponatremia is not a disease but a manifestation of a variety of disorders. The underlying cause can often be ascertained from an accurate history and physical examination, including an assessment of ECF volume status and effective circulating arterial volume. The differential diagnosis of hyponatremia, an expanded ECF volume, and decreased effective circulating volume includes congestive heart failure, hepatic cirrhosis, and the nephrotic syndrome.

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  • The lung has a unique vascular structure and function; it has low pressure, low resistance circulation with a highly compliant system which accommodates the same amount of flow as the systemic circulation. In addition, pulmonary and systemic vasculatures have divergent responses to various stimuli. For example, pulmonary arteries constrict in the setting of hypoxia, while systemic circulation dilates. This is due to distinctive developmental characteristics, anatomic and histological structure, as well as physiological properties.

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  • Hyponatremia in the setting of ECF volume expansion is usually associated with edematous states, such as congestive heart failure, hepatic cirrhosis, and the nephrotic syndrome. These disorders all have in common a decreased effective circulating arterial volume, leading to increased thirst and increased AVP levels. Additional factors impairing the excretion of solute-free water include a reduced GFR, decreased delivery of ultrafiltrate to the diluting site (due to increased proximal fractional reabsorption of Na+ and water), and diuretic therapy.

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  • Differential Diagnosis Nausea and vomiting are caused by conditions within and outside the gut as well as by drugs and circulating toxins (Table 39-1).

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  • Pilot studies suggest that intracoronary transplantation of progenitor cells derived from bone marrow (BMC) or circulating blood (CPC) may improve left ventricular function after acute myocardial infarction. The effects of cell transplantation in patients with healed myocardial infarction are unknown.

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  • In utero, the placenta is the main site for gas exchange for the developing foetus and the blood flow to the foetal lung is minimal. Blood from the right ventricle bypasses the lungs and passes directly from the pulmonary artery to the aorta via a foetal vessel called the arterial duct. After birth, a number of changes occur in transition from the foetal to the newborn circulation including expansion of the lungs (which reduces pulmonary vascular resistance) and closure of the arterial duct, so that blood now perfuses the lungs.

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  • Chapter 19 - The cardiovascular system: Blood vessels (part c). After completing this unit, you should be able to: Trace the pathway of blood through the pulmonary circuit, and state the importance of this special circulation; describe the general functions of the systemic circuit; name and give the location of the major arteries and veins in the systemic circulation;...

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  • Examples of duct dependent circulations include critical coarctation of the aorta (duct dependent systemic circulation) or pulmonary atresia (duct dependent pulmonary circulation). In critical coarctation there is extreme narrowing of the aorta just where the arterial duct joins the aorta, and blood supply to the lower half of the body is only possible if it passes from the pulmonary artery to the descending aorta via the duct. In pulmonary atresia, the only blood supply to the lungs is that which passes from the aorta to the pulmonary artery via the duct.

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