reduced amount of hair is entering the lungs, resulting in decreased oxygen and increased carbon dioxide in the blood
MA should wait 30 minutes before taking the patients temperature if?
the patients had been eating, drinking or smoking
Horizontal Recumbent (supine)
Use: for most physical examinations
positioning: flat on back with legs extended. arms are placed above the head, along side the body or folded on the chest
What can cause false BP reading
wrong size BP cuff
arm is not positioned at heart level
cuff is not completely deflated before use
cuff deflated too fast
improper cuff placement
cuff is re-inflated during procedure
defective equipment
Unipolar precordial leads
V1:
V2
V3
V4
V5: 5th intercostal space, anterior axillary line
V6: 5th intercostal space, maxillary line
Knee Chest
Use
positioning
Orthopnea
inability to breath unless in upright position
Contractility
the ability of the cardiac cells to shorten and cause cardiac muscle contraction in response to an electrical stimulus. can be enhanced with certain meds like dopamine,epinephrine and digitalis
Auscultation
listening to sounds produced by internal organs such as heart, lungs and abdomen
Automaticity
the ability of the cardiac pacemaker cells to spontaneously initiate their own electrical impulse sites that have these impulses include SA node AV junction, purkinji fibers
