Kania small group lecture/ CIS on Respiratory (10/14) Flashcards
pertinent sympathetics to respiratory
T1-2- upper airway, head. (superior cervical ganglion, stellate ganglion - inferior cervical and 1st thoracic)
T2-6 = bronchioles, lungs
Superior Cervical Ganglion
- fused ganglia of C1 through C4
- provides postganglionic innervation to the head and neck
Stellate Ganglion
- fusion of the inferior cervical sympathetic ganglion with the ganglion of T1
- middle cervical and stellate ganglia innervate the heart, lungs, and bronchi.
pertinent parasympathetics to respiratory
vagus –> lungs and upper airway
pterygopalatine (sphenopalatine) ganglia supply parasympathetic innervation to the sinuses, nose, lacrimal gland, and blood flow to the nasal mucosa
sympathetic stimulation leads to
response tends to be more general
mucus glands and blood vessels are heavily innervated by the sympathetic nervous system
smooth muscles are not
stimulation of the sympathetic nerves in the mucous glands increases water secretion and decreases the viscosity of mucus.
(opens airways to breathe better while running away)
Parasympathetic stimulation leads to
slightly constricted smooth muscle tone in the normal resting lung
innervation is greater in the larger airways, and it diminishes toward the smaller conducting airways in the periphery
bronchial glands, increases the synthesis of mucus glycoprotein and
increases the viscosity of mucus
What’s the biggest problem of SNS activity in a sick person?
blood vessel constriction–> decreased delivery of oxygen, nutrients, removal of wastes, impaired O2-CO2 exchange
why do we want PNS activity in a sick person?
increased synthesis of mucus glycoprotein because it is part of the innate immune system and contains more:
- lactoferrin (antibacterial, antiviral and antifungal, particularly in infants; highest lactoferrin in colostrum, then human breast milk)
- lysozymes (active against G+ bacteria - strep, bacillus. Have reduced activity when glycolated - diabetes
- beta-defensins- cationic proteins that bind to cell membranes of bacteria and fungi and change the permeability; also active against viruses
- IgA- S. pneumo and H flu type B release a protease that destroys IgA
Chapman’s Reflex points- how to approach
treat lymphatics first
posterior points are diagnostic, secondarily for treatment
anterior points are for treatment
treat with vibratory or rotary motion, or deep kneading
Alternative way: hold angerior and posterior points, with connection between fingers, wait for connection to resolve
Most likely causative organisms of sinusitis?
viral
Rhinovirus, coronavirus, influenza A & B, parainfluenza, respiratory syncytial virus (RSV), adenovirus, enterovirus
about 10% proceed to bacterial
fever helps what?
increases lactoferrin, fighting off the critters
sympathetic ganglia are close to
rib heads
Muscles of ventilation: external intercostals
inferrror margin of rib above–> superior margin of rib below
Innervation: intercostal nerves: T1-T11
Most active during instpiration
supports intercostal space
moves ribs superiorly
muscles of ventilation: internal intercostal
lateral edge of costal groove of rib above–> superior margin of rib below deep to the attachment of the related external intercostal
Innervation: intercostal nerves T1-T11
Function: most active during expiration; supports intercostal space, moves ribs inferiorly
Muscles of ventilation: innermost intercostal
medial edge of costal groove of rib above –> internal aspect of superior margin of rib below
Innervation: intercostal nerves: T1-T11
Acts with internal intercostal muscles
Muscles of ventilation: subcostales
internal surface (near angle) of lower ribs –> internal surface of second or third rib below
innervation: related intercostal nerves
function: may depress ribs
muscles of ventilation: transversus thoracis
inferior margins and internal surfaces of costal cartilages of second to sixth ribs–> inferior aspect of deep surface of body of sternum, xiphoid process and costal cartilages ribs IV-VII
innervation: related intercostal nerves
function: depresses costal cartilages