Search Results patent ductus arteriosus and sympathetic nervous system response
A Primer on Preemies
Low Blood Pressure Low blood pressure is a relatively common complication that may occur shortly after birth. It can be due to infection, blood loss, fluid loss, or medications given to the mother before delivery. Low blood pressure is treated by increasing fluid intake or prescribing medications. Infants who have low blood pressure due to [...]
High Blood Pressure Treatment Symptoms, Causes, Treatment
High Blood Pressure Treatment (cont.) Alpha-blockers Alpha-blockers lower blood pressure by blocking alpha-receptors in the smooth muscle of peripheral arteries throughout the tissues of the body. The alpha-receptors are part of the sympathetic nervous system, as are the beta-receptors. The alpha-receptors, however, serve to narrow (constrict) the peripheral arteries and the alpha-blockers cause the peripheral [...]
Orthostatic Hypotension Causes, Symptoms, and Treatment by
Orthostatic Hypotension Medical Author: Benjamin C. Wedro, MD, FAAEM Medical Editor: Melissa Conrad Stöppler, MD What is orthostatic hypotension? What causes orthostatic hypotension? What are the risk factors for orthostatic hypotension? What are the symptoms of orthostatic hypotension? When should I call the doctor for orthostatic hypotension? How is orthostatic hypotension diagnosed? What is the [...]
Virtual Laboratory
Introduction | Control Experiment | Pretreatment Experiment | Self-evaluation Control Experiment Acetylcholine Acetylcholine acts as an agonist of both muscarinic and nicotinic receptors. However, the affinity for muscarinic receptors is much greater than the affinity for nicotinic receptors. Therefore, unless the muscarinic receptors are blocked one almost never observes nicotinically mediated responses following injection of [...]
Pulse pressure
From Wikipedia, the free encyclopedia This article needs attention from an expert on the subject. See the talk page for details. WikiProject Medicine or the Medicine Portal may be able to help recruit an expert. (April 2009) Pulse pressure is the difference between systolic and diastolic blood pressure, or the change in blood pressure seen [...]
Metoprolol (Lopressor, Toprol XL)
Medications and Drugs Pharmacy Author: Omudhome Ogbru, PharmD Medical and Pharmacy Editor: Jay W. Marks, MD GENERIC NAME: metoprolol BRAND NAMES: Lopressor, Toprol XL DRUG CLASS AND MECHANISM: Metoprolol is a beta-adrenergic blocking agent that is used for treating high blood pressure, heart pain, abnormal rhythms of the heart, and some neurologic conditions. Examples of [...]
Low Blood Pressure (Hypotension) Causes, Symptoms, Diagnosis, and Treatment on
Low Blood Pressure Low Blood Pressure Overview Low Blood Pressure Causes Heart Intravascular Fluid The Arterial Wall Medications Pregnancy Endocrine Allergic Reactions Orthostatic Hypotension Diabetes Micturition Syncope (Fainting During Urination or Bowel Movements) Low Blood Pressure Symptoms Exams and Tests Low Blood Pressure Treatment Low Blood Pressure Complications Summary Synonyms and Keywords Authors and Editors [...]
Recommended for individuals with hypertension? – General Exercise

Q: I’ve heard that exercise can help control hypertension. How much and what type of exercise is recommended for individuals with hypertension? A: While drug therapy is traditionally considered to be the most effective form of treating high blood pressure, exercising on a regular basis has been found to be a valuable and safe adjunct [...]
Zestoretic (Lisinopril and Hydrochlorothiazide) Drug Information: Uses, Side Effects, Drug Interactions and Warnings at RxList
Lisinopril Anaphylactoid and Possibly Related Reactions: Presumably because angiotensin-converting enzyme inhibitors affect the metabolism of eicosanoids and polypeptides, including endogenous bradykinin, patients receiving ACE inhibitors (including ZESTORETIC) may be subject to a variety of adverse reactions, some of them serious. Head and Neck Angioedema: Angioedema of the face, extremities, lips, tongue, glottis and/or larynx has [...]
Massage in healthy elderly subjects – Age and Ageing Articles
Summary The purpose of the study was to define heart rate and blood pressure responses to surpine and upright carotid sinus massage in healthy elderly subjects and thus to establish the validity of current diagnostic criteria for carotid sinus syndrome in this age group. Twenty-five healthy asymptomatic subjects (61-87 years) had carotid sinus massage carried [...]