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Topic: Dyspnea

Related Topics

Shortness of breath

Tachypnea

Respiration (physiology)

COPD

Hypoventilation

Pulmonary hypertension

Lung

Pulmonary embolism

Hypertension

Gas exchange

Cancer

Clinical depression

Congestive heart failure

Hypotension

Iron deficiency anemia

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	Dyspnea: Approach to the Patient With Pulmonary Symptoms: Merck Manual Professional
		Severe dyspnea that appears 1 to 2 h after falling asleep (paroxysmal nocturnal dyspnea) is pathognomonic for left ventricular dysfunction, but it must be distinguished from nocturnal awakening by cough from asthma or mucus hypersecretion.
		Dyspnea that worsens when sitting upright and resolves when recumbent (platypnea) is unusual and suggests pulmonary arteriovenous malformation or the hepatopulmonary syndrome; it may also occur after pneumonectomy, in recurrent pulmonary embolism, and in chronic pulmonary diseases that preferentially affect the lower lobes, such as aspiration pneumonia and α
		Dyspnea accompanied by paresthesias in the fingers or around the mouth suggests hyperventilation.
	www.merck.com /mmpe/sec05/ch045/ch045d.html (1066 words)

	Untitled Document (Site not responding. Last check: 2007-11-07)
		Dyspnea may occur normally in states of intense exercise, such as running, mountain climbing, lifting, rowing, and swimming, where the stress of breathing is a direct result of intense physical effort and not a consequence of a cardiopulmonary or metabolic disorder.
		Dyspnea is most commonly encountered in conditions where the respiratory drive is increased or the respiratory system is excessively loaded.
		Dyspnea also accompanies the full spectrum of interstitial lung diseases and is often found with pulmonary hypertension (PH) regardless of the underlying cause.
	www.lungcancerfrontiers.org /books/card_dyspnea/mechanisms-dyspnea.html (788 words)

	Dyspnea sensation of breathlessnes cardiopulmonary disease
		Dyspnea, the sensation of breathlessness or inadequate breathing, is the most common complaint of patients with cardiopulmonary diseases.
		Dyspnea seems to occur most commonly when afferent input from peripheral receptors is enhanced or when cortical perception of respiratory work is excessive.
		Dyspnea is the most common symptom the Frontline physician encounters in managing the spectrum of cardiopulmonary diseases.
	www.nlhep.org /books/pul_Pre/dyspnea.html (1831 words)

	SYMPTOM MANAGEMENT---DYSPNEA (Site not responding. Last check: 2007-11-07)
		Dyspnea is one of the most common problems and is distressing because it may evoke fear, anxiety, and panic, and often limits social interactions, the ability to engage in desired activies and in self-care activities.
		The focus of assessment of sensation of dyspnea are the characteristics of symptoms: onset, frequency, intensity, and nature of respiratory changes, stimuli provoking dyspnea (physical or emotional), and strategies used to decrease severity of dyspnea, and the meaning of symptoms to the individual.
		Since dyspnea is a common symptom in individuals with advanced cancer, an aggressive approach to the management of dyspnea at all stages of the individual's life with cancer promotes his/her quality of life.
	cahn.mnsu.edu /cancerupdate/_disc9/0000001d.htm (1086 words)

	Dyspnea
		Dyspnea is critical to understand because it is common to many of the pulmonary diseases and is often the predominant and at times an overwhelming symptom which greatly alters or effects the lifestyle of patients with lung disease.
		Breathing is typically an unconscious activity and a common method to induce the sensation of dyspnea is breathing Breath-holding.
		The symptom of dyspnea is one that relates to the entire control system of respiration.
	www.meddean.luc.edu /lumen/meded/elective/pulmonary/dyspnea/dysp.htm (437 words)

	TREATING SYMPTOMS AT THE END OF LIFE (Site not responding. Last check: 2007-11-07)
		Dyspnea, an uncomfortable awareness of breathing, is another common symptom at the end of life.
		Dyspnea researchers are far behind pain researchers in investigating the role of opioid receptors in treatment of dyspnea, but this avenue has considerable promise.
		Dyspnea is difficult to measure because it involves several qualitatively distinct sensations and manifests itself differently in different patients.
	ninr.nih.gov /ninr/wnew/symptoms_in_terminal_illness.html (8827 words)

	Shortness of breath
		Patients describe dyspnea variously as unpleasant shortness of breath, a feeling of increased effort or tiredness in moving the chest muscles, a panicky feeling of being smothered, or a sense of tightness or cramping in the chest wall.
		Acute dyspnea can be caused by disturbances of the heart rhythm, failure of the left ventricle, mitral valve (a heart valve) dysfunction, or an embolus (a clump of tissue, fat, or gas) that is blocking the pulmonary circulation.
		Dyspnea that is worse when the patient is lying down is called orthopnea, and is associated with heart disease or paralysis of the diaphragm.
	www.healthatoz.com /healthatoz/Atoz/ency/shortness_of_breath.jsp (1625 words)

	PCCU Volume 16
		Dyspnea is a clinical term for shortness of breath or breathlessness, ie, the discomfort associated with effort in breathing or the urge to breathe.
		Dyspnea occurs in healthy individuals (for example, with exercise or at high altitude), but it is experienced by respiratory patients at lower levels of physical exercise or altitude.
		Dyspnea may be caused by diseases in virtually any organ system, whether due to interference with breathing, increased demand for breathing, or effective weakening of the respiratory "pump." Diagnosis of dyspnea requires a comprehensive database that will uncover many of the causes.
	www.chestnet.org /education/online/pccu/vol16/lessons5_6/lesson05.php (4309 words)

	Usefulness of the modified 0-10 Borg scale in assessing the degree of dyspnea in patients with COPD and asthma
		However, tools for measuring dyspnea or the state of being short of breath are often limited to peak flow, blood gas analysis, and asking patients multiple questions about their breathing at a time when they find speaking difficult.
		Routine and triage assessment of subjective dyspnea using the MBS was instituted at a hospital emergency department serving adult veterans.
		The symptom of shortness of breath or dyspnea is one of the most common and significant complaints of patients with respiratory disease.
	www.ac6v.com /karlaz2.htm (3333 words)

	Dyspnea RG (Site not responding. Last check: 2007-11-07)
		Consider for acute dyspnea: Airway obstruction, pneumothorax, pulmonary embolus, pulmonary edema, pneumonia or pulmonary hemorrhage.
		Consider for chronic dyspnea: Airways disease, lung parenchymal disease, pneumonia, pulmonary vascular disease, pleural process, chest wall abnormality, anemia, deconditioning, cardiac disease, thyroid disease or neuromuscular process.
		If patient is active but symptoms of dyspnea always occur with nonexertion, the etiology of dyspnea is much less likely from organic disease.
	www.mamc.amedd.army.mil /Referral/dyspnea.htm (292 words)

	An approach to dyspnea in advanced disease
		Dyspnea is a subjective symptom similar to pain, so patients are the only ones who know whether they are short of breath or not.
		When a patient has an acute attack of dyspnea, the most helpful immediate response is to have someone stay with him or her to avoid the panic of being alone.
		If the dyspnea is not managed aggressively, memories of watching someone die gasping for breath will stay with everyone for the rest of their lives.
	www.cfpc.ca /cfp/2003/Dec/vol49-dec-cme-1.asp (3662 words)

	Dyspnea
		Dyspnea is also not rare in a variety of nonterminal illnesses.
		Dyspnea is often associated with panic and anxiety; panic may present as dyspnea, and dyspnea may induce panic.
		Opioids and benzodiazepines are the mainstays of palliative therapy for dyspnea.
	www.mywhatever.com /cifwriter/library/70/4942.html (2716 words)

	eMedicine - Heart Failure : Article by Michael E Zevitz, MD
		The principal difference between exertional dyspnea in subjects who are healthy and exertional dyspnea in patients with heart failure is the degree of activity necessary to induce the symptom.
		This early symptom of CHF may be defined as dyspnea that develops in the recumbent position and is relieved with elevation of the head with pillows.
		Dyspnea, prominent in LV failure, becomes less prominent in isolated right-sided heart failure because of the absence of pulmonary congestion.
	www.emedicine.com /med/topic3552.htm (11156 words)

	dyspnea
		A unifying theory about dyspnea or significant breathlessness is that itresults from a mismatch between central respiratory motor activity and the incoming information from receptors in the airways, lungs, and chest wall structures.
		Many of the therapeutic interventions suggested by this consensus statement relieve dyspnea by addressing different pathophysiologic mechanisms in the body, such as improving respiratory muscle function and altering central perceptions of the problem.
		In various studies, CPAP has been shown to relieve dyspnea during asthma attacks, when patients are being weaned from ventilators, and during exercise sessions for patients with advanced COPD.
	www.olivija.com /dyspnea (1109 words)

	Dyspnea and Pain: Similarities and Contrasts Between Two Very Unpleasant Sensations
		Despite the high prevalence of simultaneous pain and dyspnea in patients, there is only one study of the interaction between the perception of pain and the perception of dyspnea.
		Dyspnea and pain (as well as thirst, nausea, and hunger) alert the conscious brain to a disturbed physiological state.
		Another, more practical, problem in the study of dyspnea is its characteristically slow onset and offset, which makes methods depending on precise temporal triggering impractical (e.g., event-related potentials) and also limits the number of repeated trials that can be delivered to a study participant in one session.
	www.ampainsoc.org /pub/bulletin/mar01/upda1.htm (3434 words)

	The MSDS HyperGlossary: Dyspnea
		Dyspnea is shortness of breath or difficulty in breathing.
		Diagnostic Evaluation of Dyspnea at the American Academy of Family Physicians.
		Rescue squad guidelines for responding to cases of dyspnea.
	www.ilpi.com /msds/ref/dyspnea.html (227 words)

	Dyspnea (Site not responding. Last check: 2007-11-07)
		What is meant by the term "dyspnea" and how patients describe this sense of shortness of breath.
		The different patterns of dyspnea: exertional and positional (those not directly related to exertion), i.e., paroxysmal nocturnal dyspnea, orthopnea.
		Students should be able to understand the urgency of accurately diagnosing the etiology of dyspnea.
	www.meddean.luc.edu /lumen/MedEd/MEDICINE/medclerk/op/case5.htm (227 words)

	Dyspnea Perception System
		Any test that could screen the Asthmatic population for blunted dyspnea awareness to an increasing inspiratory respiratory load (which basically what an Asthmatic attack is) holds promise of identifying these susceptible individuals for special attention and early intervention, and therefore prevent these unnecessary deaths.
		This is because breathing control has a cognitive aspect, and patients will normally react to the dyspnea sensation by attempting to relieve their distress by overriding the basic breathing regulatory mechanisms to a greater or lesser degree.
		The patient is prompted to move an indicating device to the level of Borg dyspnea units at least once every minute, or whenever they feel there has been a change in their dyspnea level.
	www.sierrabiotech.com /dps.htm (1426 words)

	Dyspnea definition - Medical Dictionary definitions of popular medical terms
		Dyspnea is a sign of serious disease of the airway, lungs, or heart.
		The onset of dyspnea should not be ignored but is reason to seek medical attention.
		Dyspnea is the American spelling and dyspnoea is the British (mis)spelling.
	www.medterms.com /script/main/art.asp?articlekey=3145 (177 words)

	Dyspnea Lab Home (Site not responding. Last check: 2007-11-07)
		Dyspnea is useful because it is often the only warning of serious lung or heart disease.
		On the other hand, dyspnea is very unpleasant and there are many times that we would like to provide relief to improve quality of life (just as we provide pain relief), but we currently have no good tools to provide dyspnea relief.
		We know much less about dyspnea than we know about pain mechanisms and pain relief probably because there are fewer scientists studying dyspnea; one aim of this web site is to encourage young scientists to consider training in this field.
	www.hsph.harvard.edu /physiology/dyspnealab/dyspnea_home_index.html (420 words)

	Dyspnea . Mechanisms, Assessment, and Management: A Consensus Statement -- 159 (1): 321 -- American Journal of ...
		Dyspnea is common in diseases involving the lung parenchyma.
		dyspnea and the degree of impairment in lung function is not strong.
		The physiologic bases for the treatment of dyspnea is rooted in the discussion of the mechanisms underlying shortness of breath.
	ajrccm.atsjournals.org /cgi/content/full/159/1/321 (10906 words)

	Bronchitis is a Common Lung Disease Causing Dyspnea, Cough
		Dyspnea is the medical term for shortness of breath.
		Excess mucus makes it difficult to breathe properly, so dyspnea is a common bronchitis symptom.
		A side effect of mucus-caused dyspnea is wheezing: the infected person makes a thin, whistling noise when they breathe out.
	www.bronchitis-symptoms.com (396 words)

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