24:
459:
per minute in humans. Minute volume generally decreases when at rest, and increases with exercise. For example, during light activities minute volume may be around 12 litres. Riding a bicycle increases minute ventilation by a factor of 2 to 4 depending on the level of exercise involved. Minute
388:(Ć’ or RR) are known, minute volume can be calculated by multiplying the two values. One must also take care to consider the effect of dead space on alveolar ventilation, as seen below in "Relationship to other physiological rates".
304:. It can be measured with devices such as a Wright respirometer or can be calculated from other known respiratory parameters. Although minute volume can be viewed as a unit of volume, it is usually treated in practice as a
106:
Tidal volume: that volume of air moved into or out of the lungs during quiet breathing (VT indicates a subdivision of the lung; when tidal volume is precisely measured, as in gas exchange calculation, the symbol TV or
42:
Tidal volume: that volume of air moved into or out of the lungs in 1 breath (TV indicates a subdivision of the lung; when tidal volume is precisely measured, as in gas exchange calculation, the symbol TV or
455:) should demonstrate a lower blood carbon dioxide level. The healthy human body will alter minute volume in an attempt to maintain physiologic homeostasis. A normal minute volume while resting is about 5–8
213:
Forced inspiratory flow: (Specific measurement of the forced inspiratory curve is denoted by nomenclature analogous to that for the forced expiratory curve. For example, maximum inspiratory flow is denoted
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338:
833:
729:
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308:(given that it represents a volume change over time). Typical units involved are (in metric) 0.5 L Ă— 12 breaths/min = 6 L/min.
1313:
819:
789:
1189:
492:
916:
168:
Forced expiratory volume (time): a generic term indicating the volume of air exhaled under forced conditions in the first
654:
1308:
1038:
1208:
1157:
1008:
451:) levels generally vary inversely with minute volume. For example, a person with increased minute volume (e.g. due to
242:
1162:
360:
Minute volume is the amount of gas inhaled or exhaled from a person's lungs in one minute. It can be measured by a
218:. Unless otherwise specified, volume qualifiers indicate the volume inspired from RV at the point of measurement.)
1070:
1001:
982:
194:
Forced expiratory flow related to some portion of the FVC curve; modifiers refer to amount of FVC already exhaled
1013:
1146:
977:
871:
743:
Int Panis, L (2010). "Exposure to particulate matter in traffic: A comparison of cyclists and car passengers".
394:
1179:
1048:
234:
Maximal voluntary ventilation: volume of air expired in a specified period during repetitive maximal effort
996:
943:
933:
842:
483:
361:
63:
Expiratory reserve volume: the maximal volume of air that can be exhaled from the end-expiratory position
1184:
1120:
723:
157:
Forced vital capacity: the determination of the vital capacity from a maximally forced expiratory effort
804:
1239:
1094:
1058:
893:
888:
752:
305:
604:
568:
921:
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Inspiratory vital capacity: the maximum volume of air inhaled from the point of maximum expiration
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1224:
1082:
958:
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479:
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Inspiratory reserve volume: the maximal volume that can be inhaled from the end-inspiratory level
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1282:
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1099:
467:
352:
Minute volume can either be measured directly or calculated from other known parameters.
756:
226:
Peak expiratory flow: The highest forced expiratory flow measured with a peak flow meter
34:
Total lung capacity: the volume in the lungs at maximal inflation, the sum of VC and RV.
1228:
1218:
1075:
1033:
898:
706:
679:
1302:
1234:
990:
903:
466:
is the term for having a minute ventilation higher than physiologically appropriate.
772:
119:
Functional residual capacity: the volume in the lungs at the end-expiratory position
55:
Residual volume: the volume of air remaining in the lungs after a maximal exhalation
1174:
1043:
1025:
883:
764:
377:
23:
460:
ventilation during moderate exercise may be between 40 and 60 litres per minute.
1213:
297:
183:
Volume that has been exhaled at the end of the first second of forced expiration
680:"Minute ventilation of cyclists, car and bus passengers: an experimental study"
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1194:
1089:
866:
861:
365:
289:
285:
1151:
95:
Vital capacity: the volume of air breathed out after the deepest inhalation.
715:
696:
811:
340:(V̇ or V-dot) or Q (which are general symbols for flow rate), MV, and V
149:
Actual volume of the lung including the volume of the conducting airway.
856:
311:
Several symbols can be used to represent minute volume. They include
281:
364:
or other device capable of cumulatively measuring gas flow, such as
678:
Zuurbier, M., Hoek, G., van den Hazel, P., Brunekreef, B. (2009).
456:
655:"Avoid Airway Catastrophes on the Extremes of Minute Ventilation"
470:
describes a minute volume less than physiologically appropriate.
1253:
952:
301:
293:
815:
205:
The maximum instantaneous flow achieved during a FVC maneuver
555:{\displaystyle {\dot {V}}={\dot {V}}_{A}+{\dot {V}}_{D}}
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250:
8:
728:: CS1 maint: multiple names: authors list (
296:per minute. It is an important parameter in
443:Physiological significance of minute volume
127:Residual volume expressed as percent of TLC
79:Inspiratory capacity: the sum of IRV and TV
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820:
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243:
22:
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474:Relationship to other physiological rates
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432:{\displaystyle {\dot {V}}=V_{T}\times f}
292:(exhaled minute volume) from a person's
646:
721:
18:
790:Overview at healthsystem.virginia.edu
7:
1200:oxygen–hemoglobin dissociation curve
637:represents dead space ventilation.
478:Minute volume comprises the sum of
1126:hypoxic pulmonary vasoconstriction
14:
16:Volume of air breathed per minute
801:Essentials of Human Physiology
765:10.1016/j.atmosenv.2010.04.028
630:{\displaystyle {\dot {V}}_{D}}
594:{\displaystyle {\dot {V}}_{A}}
348:Determination of minute volume
1:
601:is alveolar ventilation, and
300:due to its relationship with
372:Calculation of minute volume
356:Measurement of minute volume
1158:Ventilation/perfusion ratio
1009:pulmonary stretch receptors
302:blood carbon dioxide levels
288:(inhaled minute volume) or
1330:
1190:alveolar–arterial gradient
447:Blood carbon dioxide (PaCO
333:{\displaystyle {\dot {V}}}
1071:respiratory minute volume
983:ventral respiratory group
797:"Section 4/4ch3/s4ch3_15"
274:respiratory minute volume
238:
21:
978:dorsal respiratory group
872:obligate nasal breathing
1180:pulmonary gas pressures
745:Atmospheric Environment
1314:Respiratory physiology
934:mechanical ventilation
843:Respiratory physiology
697:10.1186/1476-069x-8-48
631:
595:
556:
484:dead space ventilation
433:
366:mechanical ventilators
334:
1185:alveolar gas equation
1121:pulmonary circulation
632:
596:
557:
434:
335:
1240:respiratory quotient
1095:body plethysmography
1014:Hering–Breuer reflex
889:pulmonary surfactant
684:Environmental Health
605:
569:
493:
480:alveolar ventilation
395:
315:
298:respiratory medicine
1309:Respiratory therapy
1083:Lung function tests
917:hyperresponsiveness
757:2010AtmEn..44.2263I
362:Wright respirometer
138:Alveolar gas volume
1250:diffusion capacity
1245:arterial blood gas
1225:carbonic anhydrase
959:pneumotaxic center
627:
591:
552:
429:
330:
270:Minute ventilation
1296:
1295:
1204:Oxygen saturation
1170:zones of the lung
909:airway resistance
795:Nosek, Thomas M.
751:(19): 2263–2270.
618:
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1105:nitrogen washout
964:apneustic center
879:respiratory rate
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803:. Archived from
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464:Hyperventilation
453:hyperventilation
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386:respiratory rate
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1131:pulmonary shunt
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1100:peak flow meter
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468:Hypoventilation
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1076:FEV1/FVC ratio
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991:chemoreceptors
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899:elastic recoil
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807:on 2016-03-24.
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784:External links
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1175:gas exchange
1140:Interactions
1065:calculations
1026:Lung volumes
989:
970:
951:
922:constriction
884:respirometer
805:the original
800:
748:
744:
738:
724:cite journal
687:
683:
673:
662:. Retrieved
658:
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477:
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378:tidal volume
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310:
277:
273:
269:
268:
169:
1214:Bohr effect
1114:Circulation
850:Respiration
486:. That is:
1303:Categories
1276:death zone
1195:hemoglobin
1090:spirometry
1049:dead space
1002:peripheral
927:dilatation
913:bronchial
894:compliance
867:exhalation
862:inhalation
690:(48): 48.
664:2023-01-11
641:References
1152:Perfusion
616:˙
580:˙
541:˙
519:˙
503:˙
424:×
405:˙
325:˙
306:flow rate
280:) is the
111:is used.)
47:is used.)
1163:V/Q scan
773:56142753
716:19860870
659:ACEP Now
376:If both
1288:hypoxia
1209:2,3-BPG
997:central
972:medulla
944:Control
753:Bibcode
707:2772854
290:exhaled
286:inhaled
284:of gas
172:seconds
124:RV/TLC%
857:breath
771:
714:
704:
565:where
457:liters
384:) and
282:volume
769:S2CID
294:lungs
1254:DLCO
1154:(Q)
953:pons
730:link
712:PMID
482:and
272:(or
1059:PEF
1039:FRC
761:doi
702:PMC
692:doi
276:or
231:MVV
223:PEF
216:max
214:FIF
210:FIF
201:max
199:FEF
188:FEF
177:FEV
162:FEV
154:FVC
116:FRC
84:IVC
68:IRV
60:ERV
31:TLC
1305::
1054:CC
1044:Vt
1034:VC
799:.
767:.
759:.
749:44
747:.
726:}}
722:{{
710:.
700:.
686:.
682:.
657:.
380:(V
368:.
344:.
92:VC
76:IC
52:RV
39:TV
1256:)
1252:(
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1227:(
1221:)
1202:(
835:e
828:t
821:v
775:.
763::
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694::
688:8
667:.
623:D
613:V
587:A
577:V
548:D
538:V
531:+
526:A
516:V
509:=
500:V
449:2
427:f
419:T
415:V
411:=
402:V
382:T
342:E
322:V
258:e
251:t
244:v
190:x
179:1
170:t
164:t
145:L
143:V
134:A
132:V
109:T
107:V
102:T
100:V
45:T
43:V
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