61. Resource Library Find Information On Blood Pressure - Low At such as dizziness or lightheadedness. Alternative Names hypotension; Low blood pressure. Considerations When the blood pressure http://www.mercksource.com/pp/us/cns/cns_hl_adam.jspzQzpgzEzzSzppdocszSzuszSzcns

62. Hypotension Treatment Gets Good Reviews hypotension Treatment Gets Good Reviews, http://www.kron4.com/Global/story.asp?S=1826777

63. Orthostatic Hypotension Orthostatic hypotension is sudden low blood pressure that occurs when a person assumes a standing position. Subscribe now . Orthostatic hypotension. http://healthlink.mcw.edu/article/921445822.html

Search Articles: search tips Please Take the HealthLink Survey Email this article Print this article Find related articles: By topic: Neurology By keywords: Receive Health Link via email! Subscribe now >> Orthostatic Hypotension Orthostatic hypotension is sudden low blood pressure that occurs when a person assumes a standing position. It may be caused by hypovolemia (a decreased amount of blood in the body) resulting from the excessive use of diuretics, vasodilators, or other types of drugs, or prolonged bed rest. The disorder may be associated with Addison’s disease, atherosclerosis (build-up of fatty deposits in the arteries), diabetes, and certain neurological disorders including Shy-Drager syndrome and other dysautonomias. Symptoms, which generally occur after sudden standing, may include dizziness, lightheadedness, blurred vision, and syncope (temporary loss of consciousness). When orthostatic hypotension is caused by hypovolemia due to medications, the disorder may be reversed by adjusting the dosage or by discontinuing the medication. When the condition is caused by prolonged bed rest, improvement may occur by sitting up with increasing frequency each day. In some cases, physical counterpressure such as elastic hose or whole-body inflatable suits may be required. The prognosis for individuals with orthostatic hypotension depends on the underlying cause of the condition.

64. Effets Secondaires Des Substances : HYPOTENSION ORTHOSTATIQUE Effets Secondaires des Substances hypotension ORTHOSTATIQUE. ACEBUTOLOL CHLORHYDRATE; ACETAZOLAMIDE; ACETAZOLAMIDE SODIQUE; ALFUZOSINE CHLORHYDRATE; http://www.biam2.org/www/SubEIIMCHYPOTENSION_ORTHOSTATIQUE.html

Effets Secondaires des Substances : HYPOTENSION ORTHOSTATIQUE ACEBUTOLOL CHLORHYDRATE ACETAZOLAMIDE ACETAZOLAMIDE SODIQUE ALFUZOSINE CHLORHYDRATE ... ZUCLOPENTHIXOL DICHLORHYDRATE

65. Effets Secondaires Des Substances : HYPOTENSION ARTERIELLE Effets Secondaires des Substances hypotension ARTERIELLE. ACEFYLLINE PIPERAZINE; ACEPROMAZINE; ACEPROMETAZINE; ACETANILIDE; ACETYLCHOLINE CHLORURE; http://www.biam2.org/www/SubEIIMCHYPOTENSION_ARTERIELLE.html

Effets Secondaires des Substances : HYPOTENSION ARTERIELLE ACEFYLLINE PIPERAZINE ACEPROMAZINE ACEPROMETAZINE ACETANILIDE ... ZIDOVUDINE

66. Case 53 --Clinical Microbiology Case Case 53 Fever, Purpura and hypotension. This is the Clinical Pathology Case of the Month for January, 1996. Contributed by Patricia http://path.upmc.edu/cases/case53.html

Case 53 Fever, Purpura and Hypotension This is the Clinical Pathology Case of the Month for January, 1996. Contributed by Patricia Aronica, M.D., William A. Pasculle, Sc.D., John P. Anhalt, Ph.D, M.D., and Charles A. Richert, M.D. Published on line in January 1996 PATIENT HISTORY : The patient is a 20-year-old college student who presented to the emergency room at an outside hospital with general malaise, low-grade fever, and purplish discoloration on his face. The facial discoloration developed rapidly during the time from when he left his house to the time he arrived at the emergency room. Blood cultures were drawn and he was admitted to the intensive care unit. He was begun on imipenem-cilastatin and given fresh frozen plasma, cryoprecipitate, fluid resuscitation and dopamine. He was transferred to the University of Pittsburgh Medical Center with fever, disseminated intravascular coagulation and hypotension. SOCIAL HISTORY: College student who routinely returned home on weekends to work. PRESENTATION HOSPITAL COURSE FINAL DIAGNOSIS Note: Clinical images are from a different male patient with the same diagnosis.

67. Hypotension . The pressure of the......MAIN SEARCH INDEX. hypotension. Definition. hypotension is the medical term for low blood pressure. http://www.ehendrick.org/healthy/000724.htm

MAIN SEARCH INDEX Hypotension Definition Description Causes and symptoms Diagnosis ... Resources Definition Hypotension is the medical term for low blood pressure. Description The pressure of the blood in the arteries rises and falls as the heart and muscles handle demands of daily living, such as exercise , sleep and stress . Some healthy people have blood pressure well below the average for their age, even though they have a completely normal heart and blood vessels. This is often true of athletes who are in superior shape. The term "hypotension" is usually used only when blood pressure has fallen so far that enough blood can no longer reach the brain, causing dizziness and fainting Causes and symptoms Postural hypotension is the most common type of low blood pressure. In this condition, symptoms appear after a person sits up or stands quickly. In normal people, the cardiovascular system must make a quick adjustment to raise blood pressure slightly to account for the change in position. For those with postural hypotension, the blood pressure adjustment is not adequate or it doesn't happen. Postural hypotension may occur if someone is taking certain drugs or medicine for high blood pressure. It also happens to diabetics when nerve damage has disrupted the reflexes that control blood pressure. Many people have a chronic problem with low blood pressure that is not particularly serious. This may include people who require certain medications, who are pregnant, have bad veins, or have arteriosclerosis (hardening of the arteries).

68. Orthostatic Hypotension MAIN SEARCH INDEX. Orthostatic hypotension. Definition. Orthostatic hypotension is an abnormal decrease in blood pressure when a person stands up. http://www.ehendrick.org/healthy/000993.htm

MAIN SEARCH INDEX Orthostatic hypotension Definition Description Causes and symptoms Diagnosis ... Resources Definition Orthostatic hypotension is an abnormal decrease in blood pressure when a person stands up. This may lead to fainting Description When a person stands upright, a certain amount of blood normally pools in the veins of the ankles and legs. This pooling means that there is slightly less blood for the heart to pump and causes a drop in blood pressure. Usually, the body responds to this drop so quickly, a person is unaware of the change. The brain tells the blood vessels to constrict so they have less capacity to carry blood, and at the same time tells the heart to beat faster and harder. These responses last for a very brief time. If the body's response to a change in vertical position is slow or absent, the result is orthostatic hypotension. It is not a true disease, but the inability to regulate blood pressure quickly. Causes and symptoms Orthostatic hypotension has many possible causes. The most common cause is medications used to treat other conditions. Diuretics reduce the amount of fluid in the body which reduces the volume of blood. Medicines used to expand the blood vessels increase the vessel's ability to carry blood and so lower blood pressure.

69. HealthCentral - General Encyclopedia - Blood Pressure, Low Alternative names hypotension; low blood pressure sudden change in body position, usually from lying down to an upright position (orthostatic hypotension); http://www.healthcentral.com/mhc/top/003083.cfm

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70. HealthCentral.com - News - Unknown 0/0/0 Email this to a friend • Print This Article hypotension Treatment Gets Good Reviews. THURSDAY, April 29 (HealthDayNews) A http://www.healthcentral.com/news/NewsFullText.cfm?id=518609

71. Baylor Neurology Case Of The Month Department of Neurology. Diagnosis 1. Spontaneous intracranial hypotension 2. Secondary ArnoldChiari Malformation Patient 28 is http://www.bcm.tmc.edu/neurol/challeng/pat28/summary.html

Patient #28 Summary and Discussion Jay Foreman, M.D., Ph.D. Resident, Department of Neurology Diagnosis: 1. Spontaneous intracranial hypotension 2. Secondary Arnold-Chiari Malformation The most worrisome and confusing aspects of this case, however, were the findings of CSF pleocytosis and diffuse meningeal enhancement on MRI ( see initial MRI ). In fact, the patient was referred to our service for a possible meningeal biopsy because of the unexplained nature of her problem and these MRI findings. The numerous possibilities of diffuse meningeal enhancement include inflammatory, infectious, and neoplastic processes. Meningeal enhancement is seen with meningeal carcinomatosis and lymphoma but the appearance is usually one of nodular enhancement, which may be focal or diffuse. Our patient had no evidence of blood cell dyscrasia on peripheral smear. Additionally this patient had no other symptoms or laboratory findings to suggest the presence of a malignancy. Neurosarcoidosis can give a similar appearance but it is usually associated with cranial neuropathy (53%), parenchymal disease (48%), aseptic meningitis (22%), peripheral neuropathy (17%), myopathy (15%) and/or hydrocephalus (7%). There is usually some evidence of systemic disease (97%) and elevation of serum angiotensin enzyme (ACE) levels. None of these were present in our patient. Lyme disease was considered. There is a triad of meningitis, radiculitis and neuritis without fever that is highly suggestive of this disease. Meningeal enhancement may or may not be seen, but is more often at nerve roots. Initially, patients have mild meningeal signs including headaches, myalgias, stiff neck and cranial nerve involvement. After several weeks patients may have cardiac conduction abnormalities, meningial signs, multiple cranial neuropathies, peripheral mononeuropathies and encephalopathy, as well as transitory erythematous blotchy rashes. The third stage typically involves development of a chronic arthritis. Our patient had none of these findings and her Lyme titers were negative.

72. ScienceDaily -- Browse Topics: Health/Conditions_and_Diseases/Cardiovascular_Dis Postural Orthostatic Tachycardia Syndrome@ (4); ShyDrager Syndrome@ (3). News about hypotension More news about hypotension . Books about hypotension http://www.sciencedaily.com/directory/Health/Conditions_and_Diseases/Cardiovascu

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73. Clinical Trial: Droxidopa In Treating Patients With Neurogenic Hypotension Droxidopa in Treating Patients With Neurogenic hypotension. Condition, Treatment or Intervention. ShyDrager Syndrome Orthostatic hypotension, Drug droxidopa. http://www.clinicaltrials.gov/ct/gui/show/NCT00004478?order=1

74. Clinical Trial: A Study For Patients With Neurogenic Orthostatic Hypotension A Study for Patients with Neurogenic Orthostatic hypotension. This Phase. hypotension, Orthostatic, Drug Midodrine Hydrochloride, Phase IV. http://www.clinicaltrials.gov/ct/gui/show/NCT00046475?order=2

75. Spontaneous Intracranial Hypotension Often Misdiagnosed Spontaneous Intracranial hypotension Often Misdiagnosed CME. News Author Laurie Barclay, MD CME Author Désirée Lie, MD, MSEd Authors and Disclosures. http://www.medscape.com/viewarticle/466089

76. CYP3A4 Inhibitors Raise Trazodone Levels, Causing Nausea Medscape Alert. CYP3A4 Inhibitors Raise Trazodone Levels, Causing Nausea, hypotension, and Syncope. Adverse effects included nausea, hypotension, and syncope. http://www.medscape.com/viewarticle/477588

77. 14 WFIE, The Tri-State's News Leader: Hypotension Treatment Gets Good Reviews hypotension Treatment Gets Good Reviews, http://www.14wfie.com/Global/story.asp?S=1826777

78. Orthostatic Hypotension Orthostatic hypotension. but not arm). Orthostatic hypotension and lightheadedness which lasts for more than a minute is abnormal. http://www.nymc.edu/fhp/centers/syncope/orthostatic_hypotension.htm

Orthostatic Hypotension H ome NIH Study Science ... Search Definition Defined by the consensus group of the American Autonomic Society as a sustained decrease in blood pressure exceeding 20 mmHg systolic or 10 mmHg diastolic occurring within 3 minutes of upright tilt. Orthostatic hypotension is a sign of autonomic dysfunction and dysautonomia in adults and in children. It may also occur with reductions of blood or plasma volume. However, the experience of transient hypotension often associated with the symptom of lightheadedness with standing is common among teenagers and is familiar to pediatricians. Transient orthostatic hypotension in children and teenagers is a normal phenomenon related to the relative rapidity of blood translocating from the thorax to the dependent parts of the body during orthostasis. This may be sufficiently rapid that there is not sufficient time for neurovascular compensation and blood pressure falls. We hypothesized that transient hypotension is a normal phenomenon which may be mistaken for orthostatic intolerance. We measured peripheral blood flow and venous pressure in the arms and legs using venous plethysmography. Data indicate that healthy subjects with normal vasoconstrictive responses to sustained upright tilt, uniformly experience a transient fall in blood pressure during 70

79. Dizzy When I Stand Up: Postural Hypotension surroundings, moving or spinning. There is another type of dizziness upon standing that s caused by postural hypotension. This type of http://www.drdaveanddee.com/hypotension.html

Dear Dr. Dave, I read your discussion of vertigo and wonder if that is what I’m experiencing. When I get up, say from a chair, I feel dizzy, start seeing black or black dots, and my legs sometimes feel like they are going to give out. Sometimes I have to lean up against something to keep from falling down. I do have trouble with my balance, although there is no spinning. Is this vertigo? Signed, Having Dizzy Days Dear Having Dizzy Days, Although vertigo can be triggered by standing, it's less likely to be vertigo if there's no sensation of the body, or surroundings, moving or spinning. There is another type of dizziness upon standing that's caused by postural hypotension. This type of dizziness, faintness or light-headedness results from a decrease in blood flow to the brain, due to a drop in blood pressure upon standing up. At one time or another, we’ve probably all experienced mild postural hypotension from standing up too quickly. As long as it occurs only occasionally, there’s little cause for alarm. But chronic postural hypotension can be a debilitating condition, associated with increased risk of injury from accidents and falls, and obviously is a cause for concern. Persistent light-headedness or faintness upon standing may be a symptom of a serious underlying disorder. Anyone with this problem should be seen by their physician.

80. Orthostatic Hypotension Orthostatic hypotension. The prognosis for individuals with orthostatic hypotension depends on the underlying cause of the condition. http://www.fact-index.com/o/or/orthostatic_hypotension.html

Main Page See live article Alphabetical index Orthostatic hypotension Orthostatic hypotension (also known as postural hypotension ) is a sudden fall in blood pressure that occurs when a person assumes a standing position. Symptoms, which generally occur after sudden standing, include dizziness, lightheadedness, blurred vision, and syncope (temporary loss of consciousness). It may be caused by hypovolemia (a decreased amount of blood in the body), resulting from the excessive use of diuretics, vasodilators, or other types of drugs, dehydration , or prolonged bed rest. The disorder may be associated with Addison's disease atherosclerosis (build-up of fatty deposits in the arteries), diabetes , and certain neurological disorders including Shy-Drager syndrome and other dysautonomias. When orthostatic hypotension is caused by hypovolemia due to medications, the disorder may be reversed by adjusting the dosage or by discontinuing the medication. When the condition is caused by prolonged bed rest, improvement may occur by sitting up with increasing frequency each day. In some cases, physical counterpressure such as elastic hose or whole-body inflatable suits may be required. Dehydration is treated with salt and fluids. The prognosis for individuals with orthostatic hypotension depends on the underlying cause of the condition.

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