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Topic: Hypovolemic shock

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	Hypovolemic shock (Site not responding. Last check: 2007-10-28)
		Hypovolemic shock is a particular form of shock in which the heart is unable to supply enough blood to the body.
		In another form of shock called cardiogenic shock, there is adequate blood volume, but the heart is unable to pump the blood effectively.
		Hypovolemic shock is always a medical emergency, but there is wide variation in both symptoms and outcomes depending upon the amount of blood volume lost, the rate of loss, the underlying illness or injury causing the loss, and other factors.
	www.pennhealth.com /ency/article/000167.htm (667 words)

	Shock (Site not responding. Last check: 2007-10-28)
		In hypovolemic shock, preload is decreased, afterload is increased, and the myocardial contractility remains normal.
		In early septic shock, the preload and afterload are decreased, and the myocardial contractility is increased.
		In late septic shock, the preload and afterload are increased and the myocardial contractility is decreased.
	home.coqui.net /myrna/shock.htm (2490 words)

	Hypovolemic shock - Evanston Northwestern Healthcare (Site not responding. Last check: 2007-10-28)
		Hypovolemic shock is an emergency condition in which severe blood and fluid loss makes the heart unable to pump enough blood to the body.
		Hypovolemic shock is always a medical emergency, but there is wide variation in both symptoms and outcomes depending upon the amount of blood volume lost, the rate of loss, the underlying illness or injury causing the loss, and other factors.
		However, in cases of severe hypovolemic shock, death is possible even with immediate medical attention.
	www.enh.org /healthandwellness/Encyclopedia/ency/article/000167.aspx (581 words)

	eMedicine - Shock, Hypovolemic : Article by Paul Kolecki, MD, FACEP
		ADH is released from the posterior pituitary gland in response to a decrease in BP (as detected by baroreceptors) and a decrease in the sodium concentration (as detected by osmoreceptors).
		Hypovolemic shock secondary to an ectopic pregnancy is common.
		Hypovolemic shock secondary to an ectopic pregnancy in a patient with a negative urine pregnancy test is rare but has been reported.
	www.emedicine.com /emerg/topic532.htm (4893 words)

	Shock
		Shock is a medical emergency in which the organs and tissues of the body are not receiving an adequate flow of blood.
		Shock is caused by three major categories of problems: cardiogenic (meaning problems associated with the heart's functioning); hypovolemic (meaning that the total volume of blood available to circulate is low); and septic shock (caused by overwhelming infection, usually by bacteria).
		Shock can be avoided by recognizing that a patient who is unable to drink in order to replace lost fluids needs to be given fluids intravenously (through a needle in a vein).
	www.healthatoz.com /healthatoz/Atoz/ency/shock.jsp (845 words)

	NursingCenter (Site not responding. Last check: 2007-10-28)
		The severity of hypovolemic shock depends not only on the volume deficit loss, the time frame within which the fluid is lost, but also on the age and preinjury health status of the individual.
		Septic shock, resulting from infection, is unusual in the early stages of acute trauma, except in the patient presented with grossly contaminated wounds.
		Hypovolemic shock is most commonly seen in major trauma patients, although the major trauma victim is additionally at risk for cardiogenic, obstructive, and distributive shock.
	www.nursingcenter.com /prodev/cearticleprint.asp?CE_ID=541559 (9252 words)

	OBGYN.net Hypovolemic Shock: An Institutional Experience
		The state of shock is characterized by circulatory insufficiency and data of tissular hypperfusion, accompanied by hypoxia, the use anaerobic metabolic pathways and acidosis.
		The state of shock can be defined as an energy crisis at the cellular level due to a wide array of etiology unleashed by the sudden inability of the cardiovascular apparatus to maintain the perfusion and oxygenation to the tissues of the organism.
		It is necessary to initiate management of shock even before the full identification of it’s cause, since the survival of the patient depends on the duration of shock, as much as the definitive medical or surgical treatment which varies according to the cause.
	www.obgyn.net /pb/pb.asp?page=/pb/articles/hypovolemic_shock (1332 words)

	Shock: Heart and Blood Vessel Disorders: Merck Manual Home Edition
		Shock has several causes: a low blood volume, which causes hypovolemic shock; inadequate pumping action of the heart, which causes cardiogenic shock; or excessive widening of blood vessels, which causes vasodilatory shock.
		If shock is treated, the outlook depends on the cause, the other disorders the person has, the amount of time that passes before treatment begins, and the type of treatment given.
		Shock caused by excessive dilation of the blood vessels is treated primarily with drugs that constrict the vessels.
	www.merck.com /mmhe/sec03/ch024/ch024a.html (1277 words)

	Shock - Wikipedia, the free encyclopedia
		Shock is a serious medical condition where the tissue perfusion is insufficient to meet the required supply of oxygen and nutrients.
		Hypovolemic shock due to burns, diarrhoea, vomiting, etc. is treated with infusions of electrolyte solutions that balance the nature of the fluid lost.
		In neurogenic shock because of vasodilation in the legs, one of the most suggested treatments is placing the patient in the Trendelenburg position, thereby elevating the legs and shunting blood back from the periphery to the body's core.
	en.wikipedia.org /wiki/Shock (2524 words)

	Hypovolemic shock Information on Healthline
		is a particular form of shock in which the heart is unable to supply enough blood to the body.
		The loss can be from any cause, including external bleeding (from cuts or injury), gastrointestinal tract bleeding, other internal bleeding, or from diminished blood volume resulting from excessive loss of other body fluids (such as can occur with diarrhea, vomiting, burns, and so on).
		may show low cardiac output (pumping action), confirming shock, and may also help to differentiate between hypovolemic versus cardiogenic shock.
	www.healthline.com /adamcontent/hypovolemic-shock (546 words)

	Shock
		Shock can be caused by problems with the heart itself (cardiogenic shock), conditions that block blood flow to or from the heart (extracardiac obstructive shock), severe loss of fluids (hypovolemic shock), or abnormal flow of fluids into the tissues, despite normal or increased heart function (distributive shock).
		Depending on the cause of shock, surgery may be required to repair heart valves or rupture of a ventricle, artificially augment blood flow from the heart, or remove an embolism.
		In animals with hypovolemic shock from bleeding, electroacupuncture (small electrical currents applied to acupuncture needles) raised blood pressure, protected cardiac function, and normalized the levels of various protective substances in blood.
	www.umm.edu /altmed/ConsConditions/Shockcc.html (2205 words)

	The Hypovolemic Shock Page
		Hypovolemic shock is due to decreased cardiac output, decreased blood pressure and, therefore, compromised capillary perfusion of tissues.
		Because of the lack of nutrients and oxygen arriving at the myocardium, cardiac activity is being depressed.
		We treat the victim for shock and we may even be able to normalize cardiac output and blood pressure with aggressive fluid therapy, but all to no avail.
	faculty.etsu.edu /currie/shock.htm (616 words)

	Hypovolemic shock (Disease)... Fort Lauderdale, Florida
		A condition where the heart is unable to supply enough blood to the body because of blood loss, or inadequate blood volume.
		Cardiogenic shock is another form of shock in which there is adequate blood volume, but the heart is unable to pump the blood effectively.
		Treatment may also include determination of the cause of blood loss and control of bleeding to prevent recurrence of hypovolemic shock.
	www.browardhealth.org /17195.cfm (671 words)

	Shock definition - Medical Dictionary definitions of popular medical terms
		Shock: In medicine, shock is a critical condition brought on by a sudden drop in blood flow through the body.
		Shock can be due to a number of different mechanisms including not enough blood volume (hypovolemic shock) and not enough output of blood by the heart (cardiogenic shock).
		The signs and symptoms of shock include low blood pressure (hypotension), overbreathing (hyperventilation), a weak rapid pulse, cold clammy grayish-bluish (cyanotic) skin, decreased urine flow (oliguria), and mental changes (a sense of great anxiety and foreboding, confusion and, sometimes, combativeness).
	www.medterms.com /script/main/art.asp?articlekey=5477 (208 words)

	Shock
		The term may be applied to people recently suffering a dramatic event (such as a car collision), an altered level of concentration that results from receiving emotionally disturbing news (such as news of a loved one’s death), or the actual act of being shocked by electricity.
		Shock occurs when the bloodstream is unable to provide enough nutrients to feed the cells of the body, effectively starving the cells.
		It is easier to recognize shock when the body’s signs of shock are present, but the ability to resuscitate people in severe shock then becomes more challenging.
	www.emedicinehealth.com /shock/article_em.htm (294 words)

	Shock
		Shock occurs when the heart is inadequate in supplying blood to the body.
		The second type of shock is Hypovolemic shock, where mean pulmonary artery pressure is reduced.
		Causes of shock (but not limited to): intestinal bleeding, loss of blood volume and body fluid, circulatory failure, impaired autoregulation, hemorrhaging.
	bme.usc.edu /bme403/Section_3/shock.html (285 words)

	Circumcision and Hypovolemic Shock
		The recent, highly publicized, death by hypovolemic shock of a healthy Canadian boy caused by hemorrhage from his circumcision wound has forced a reexamination of the risks occurred from bleeding.
		Many newborns, and especially premature infants, weigh much less and a smaller amount of blood loss would be sufficient to trigger hypovolemic shock in those infants.
		Circumcision of infants, therefore, carries the inherent danger of hypovolemic shock and death.
	www.menstuff.org /issues/byissue/hypovolemicshock.html (476 words)

	OHSU Peds - PICU Teaching Files: Shock
		Again, blood pressure is not key to deciding whether or not someone is in shock, it does help decide whether they are in compensated or decompensated shock though.
		Shock is not something that is broke that you fix and are done.
		In addition, in severe shock states respiratory compromise in common, and potential for respiratory failure is great.
	homepage.mac.com /tegtmeyer/residents/shock.html (1626 words)

	Healthopedia.com - Hypovolemic Shock
		Hypovolemic shock is a condition in which the body doesn't have enough blood volume to circulate throughout the body.
		When there is a severe decrease in blood or total body fluid, hypovolemic shock occurs.
		Hypovolemic shock is usually caused by massive blood loss or severe dehydration.
	www.healthopedia.com /hypovolemic-shock (287 words)

	eMedicine - Shock, Septic : Article by Michael R Filbin, MD
		Septic shock is defined as sepsis with persistent hypotension despite fluid resuscitation and resulting tissue hypoperfusion.
		Patients with septic shock or severe sepsis with evidence of end-organ hypoperfusion require admission to an ICU for continued goal-directed therapy.
		The reported mortality rate in sepsis and septic shock varies according to the underlying host condition, infecting organism, aggressiveness of treatment in the ED, and the subsequent development of complications.
	www.medscape.com /files/emedicine/topic533.htm (7765 words)

	Hypovolemia - Wikipedia, the free encyclopedia
		If the hypovolemia was caused by medication, the administration of antidotes may be appropriate but should be carefully monitored to avoid shock or the emergence of other pre-existing conditions.
		Blood transfusions coupled with surgical repair are the definitive treatment for hypovolemia caused by trauma.
		See also the discussion of shock and the importance of treating reversible shock while it can still be countered.
	en.wikipedia.org /wiki/Hypovolemic_shock (525 words)

	ENLmedical.com: Conditions And Concerns: Medical Encyclopedia: Hypovolemic shock
		This includes bleeding from the intestine or stomach, other internal bleeding, external bleeding (from cuts or injury), or loss of blood volume and body fluid (such as can occur with diarrhea, vomiting, intestinal blockage, inflammations, burns, and so on).
		Cardiogenic shock is a similar form of shock where there is adequate blood volume, but the heart is unable to pump the blood.
		Prompt treatment of related disorders may reduce the risk of development of hypovolemic shock.
	www.enlmedical.com /article/000167.htm (317 words)

	MedlinePlus Medical Encyclopedia: Hypovolemic shock
		Hypovolemic shock is an emergency condition in which severe blood and fluid loss makes the heart unable to pump enough blood to the body.
		Losing about 1/5 or more of the normal amount of blood in your body causes hypovolemic shock.
		Medicines such asdopamine, dobutamine, epinephrine, and norepinephrine may be needed to increase blood pressure and the amount of blood pumped out of the heart (cardiac output).
	www.nlm.nih.gov /medlineplus/ency/article/000167.htm (622 words)

	Choosing the right fluid to counter hypovolemic shock Nursing - Find Articles
		A PATIENT THREATENED by hypovolemic shock needs immediate intravenous (I.V.) fluid resuscitation to survive.
		The goal of fluid resuscitation is to maintain perfusion to the patient's vital organs, especially the brain and heart, by restoring circulating volume.
		* severe hypovolemic shock-the same as for moderate shock, plus hemodynamic instability, hypotension, and altered mental status, including coma.
	www.findarticles.com /p/articles/mi_qa3689/is_200403/ai_n9405325 (806 words)

	MRSA and Increased Dangers of Neonatal Circumcision (Site not responding. Last check: 2007-10-28)
		The recent, highly publicized, death by hypovolemic shock of a healthy Canadian boy caused by hemorrhage from his circumcision wound has forced a reexamination of the risks occurred from bleeding.
		Many newborns, and especially premature infants, weigh much less and a smaller amount of blood loss would be sufficient to trigger hypovolemic shock in those infants.
		Circumcision of infants, therefore, carries the inherent danger of hypovolemic shock and death.
	www.fathermag.com /health/circ/risks (579 words)

	MedlinePlus Medical Encyclopedia: Topics beginning with S-Sh
		Sexual dysfunction - female see Female sexual dysfunction
		Shock lung see ARDS (acute respiratory distress syndrome)
		Shortness of breath - first aid see Breathing difficulties - first aid
	www.nlm.nih.gov /medlineplus/ency/encyclopedia_S-Sh.htm (374 words)

	HYPOVOLEMIC SHOCK
		Hypovolemic shock is also known as oligemic or
		of hypovolemic shock is loss of fluid from the
		Shell shock and bomb shock are other variations of
	www.tpub.com /content/medical/14295/css/14295_163.htm (323 words)

	Resource Library: Find information on Hypovolemic shock at MerckSource
		The manufacture of a product generally has the most complete information about that product.
		There is usually low blood pressure, rapid pulse, and low body temperature.
		Please discuss any and all treatment options for your condition with your healthcare professional.
	www.mercksource.com /pp/us/cns/cns_hl_adam.jspzQzpgzEzzSzppdocszSzuszSzcnszSzcontentzSzadamzSzencyzSzarticlezSz000167zPzhtm (433 words)

	AllRefer Health - Hypovolemic Shock (Shock - Hypovolemic)
		AllRefer Health - Hypovolemic Shock (Shock - Hypovolemic)
		A condition where the heart is unable to supply enough blood to the body because of blood loss, or inadequate blood volume.
		Cardiogenic shock is another form of shock in which there is adequate blood volume, but the heart is unable to pump the blood effectively.
	health.allrefer.com /health/hypovolemic-shock-info.html (353 words)

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