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Pulsus paradoxus is a medical sign characterized by an exaggerated decrease in blood pressure during inspiration, typically greater than 10 mmHg. It is often associated with conditions such as cardiac tamponade, severe Asthma, and chronic obstructive pulmonary disease (COPD). During inhalation, the increased negative intrathoracic pressure can lead to reduced venous return to the heart, causing the observable drop in blood pressure. Clinicians assess this phenomenon by measuring blood pressure while the patient breathes normally and then during deep inhalation.

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Related Questions

When was Pulsus Group created?

Pulsus Group was created in 1984.


What actors and actresses appeared in Pulsus - 1970?

The cast of Pulsus - 1970 includes: Marta May


Paradoxical temponade is what?

Paradoxical tamponade is medication that is used to treat pulsus paradoxus.


What can cause pulsus paradoxus?

Pulsus paradoxus can be caused by conditions such as cardiac tamponade, severe asthma exacerbation, chronic obstructive pulmonary disease (COPD), and pericarditis. It is characterized by an exaggerated drop in blood pressure during inspiration.


What are the Types of abnormal pulses?

water hammer pulse, collapsing pulse, tachycardia, bradycardia, pulsus paradoxus


What is the Root word for pulse?

Middle English, from Old French, from Latin pulsus, from past participle of pellere, meaning to beat.


What is New Haven Rowing Club's motto?

The motto of New Haven Rowing Club is 'Pulsus Remorurum Fit Spiritus Fortis'.


What is the root of the word impulse?

pulse what makes sence in the word


Why does pulsus paradoxus occur?

Pulsus paradoxus occurs due to a significant drop in blood pressure during inhalation, typically seen in conditions like cardiac tamponade, severe asthma, or chronic obstructive pulmonary disease (COPD). During inhalation, increased intrathoracic pressure can impair venous return to the heart, leading to reduced stroke volume and subsequently lower systolic blood pressure. This phenomenon is characterized by a difference of more than 10 mmHg in blood pressure readings between inhalation and exhalation. It reflects underlying pathophysiological changes in the cardiovascular system in response to respiratory mechanics.


Which root word means blood vessel?

Pulse has no root word. It is from the Latin pulsus which is from Latin pellere (to set in motion by beating or striking) and the suffix -tus (the suffix for action verbs).


What movie and television projects has Marta May been in?

Marta May has: Played Betty in "I gemelli del Texas" in 1964. Played Mary in "Fuerte perdido" in 1964. Performed in "El primer cuartel" in 1966. Performed in "Gli amori di Angelica" in 1966. Played Elena in "The Texican" in 1966. Played Juana in "La piel quemada" in 1967. Played herself in "Flash 29" in 1968. Performed in "Presagio" in 1970. Performed in "Veinte pasos para la muerte" in 1970. Performed in "La mujer celosa" in 1970. Performed in "Metamorfosis" in 1970. Performed in "Pulsus" in 1970. Played Soledad in "Cabezas cortadas" in 1970. Played Blanca in "Las piernas de la serpiente" in 1970. Played Vampira (segment "Terror entre cristianos") in "Pastel de sangre" in 1971. Played Katia in "Horror Story" in 1972. Performed in "La respuesta" in 1975. Played Alma Burton in "Gatti rossi in un labirinto di vetro" in 1975. Played Desarrapada in "La ciutat cremada" in 1976. Performed in "El avispero" in 1976. Performed in "Cara quemada" in 1980. Performed in "Putapela" in 1981. Performed in "Puny clos" in 1982. Performed in "Un encargo original" in 1983. Played Valentina in "La comedia" in 1983. Played Prostitute in "Phoenix the Warrior" in 1988. Played Condesa in "La cruz de Iberia" in 1990.


Can Barometric pressure effect asthma?

During an asthma attack, your bronchioles (tubes that carry air into your lungs) constrict and air cannot pass through them as freely. In order to make up for this loss in cross sectional area, a person needs to breathe harder to get enough oxygen. The way you do that is to expand your thoracic wall with more force (when you breathe, your muscles stretch your rib cage out and air is sucked in through your trachea and into your bronchioles, eventually making its way into your alveoli where gas exchange occurs). This creates a negative pressure in the thoracic cavity at a greater magnitude than normal. Increased negative pressure in the thoracic cavity will result in decreased filling of the left ventricle of your heart because the blood will preferentially remain in the lung due to the negative pressure "sucking" it back as opposed to moving into the left atrium (the left atrium holds the blood before it enters the left ventricle, which is the chamber that pumps blood out to the peripheral parts of your body such as your arms, legs, and head). This decreased end diastolic volume (volume in the ventricle after it has finished filling) is going to result in a lower stroke volume (volume of blood expelled from the heart during contraction). If you have a lower stroke volume, you are not pushing as much blood into your arteries and the pressure will, naturally, be lower than normal. Your body will try to compensate for this decrease in pressure by increasing heart rate (known as the baroreceptor reflex) and by constricting arterioles to increase peripheral resistance, but these efforts are not enough to fully counteract the effects of the pulsus paradoxus. Thus, during an asthma attack your blood pressure will be decreased.