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Adventitious
not normal, from an outside source
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Afebrile
without a fever, when a fever breaks
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antipyretic
- fever reducers-
- ex NSAIDS and corticosteriods
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apical rate
the heart rate as ausculated w a stethescope palced on the chest wass adjacent to the cardiac apex
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apnea
absence of normal breathing
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atelectasis
collapse of the alveoli
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ausculatory gap
when taking BP in a hypertensive pt, the sounds usually hears over the brachial artery disappear at high pressure and reappear when the pressure is at a lower level
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blood pressure
the pressure exherted by the circulating volume of blood on the walls of the arteries, veins and the chamber of the heart
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bradychardia
a slow HR
<60bpm in adults
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bradypnea
a slow RR
< 10bpm in adults
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cheyne-stokes breathing
an abnormal pattern of respiration that is characterized by alternating periods of apnea and deep rapid breathing
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crepitus
the crackle of a consolidated area of the lung
normally a sign of pneumonis or air in the the superficial tissue
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cyanosis
blueish discoloration of the skin due to a lack of O2 in the blood
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diastole
ventricular relaxation
blood fills the heart
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dyspnea
breathlessness
also is a sign of hypoxia
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dysrhythmia
a deviation from the normal sinus rhythm
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edema
swelling
an accumulation of fluid
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erythema
a red discoloration that may be indicitive of circulatory changes
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febrile
with a fever
body temp over 100*f
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fever
an abnormal elevation of body temp that is above 98.6*f or 37*c
normally is caused by disease
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F.U.O.
fever of unknown origin
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hypertension
persistant elevated BP that is above 140/90
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hyperthermia
an elevated body temperature that is due to the bodies inability to promote heat loss or reduce heat
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Hypotension
when systolic BP falls below 90mmHg
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Hypothermia
core temperature falls below 95*f
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hyperventilation
ventilation that is in excess of what is required to eliminate normal venous CO2
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hypovolemia
an abnormally low circulating volume of blood
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Hypoventilation
when ventilation is inadequate to meet the body's O2 demands and sufficient enough to eliminate CO2
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Hypoxia
inadequate tissue oxygenation at the cellular level
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Incentive Spirometer
incourages voluntary deep breathing by providing visual feedback to pts about inspiratory volume
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Jaundice
a yellow discoloration of the skin or mucous membranes caused by excessive bilirubin
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Korotkoff Sounds
sounds heard during the taking of BP
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Orthopnea
a condition where a person needs to sit or stand to breathe comfortably
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Orthostatic Hypotension
abnormally low BP which occurs when a person stands b/c the blood has pooled
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Pallor
an unnatural paleness or absence of skin color
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palpitations
pounding or racing of the heart
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Paroxysmal Nocturnal Dyspnea (PND)
- sudden, severe shortness of breath at night that awakens a person from sleep, often with coughing and wheezing
- commonly occurs several hours after a person with heart failure has fallen asleep
- often relieved by sitting upright
- symptom of heart failure and other associated conditions such as mitral stenosis, aortic insufficiency, and systemic hypertension
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Peripheril Pulse Points
- points on the extremities that are felt for a pulse
- The brachial pulse is towards the ulnar side of the antecubital fossa in the elbow.
- The radial pulse (and if you're careful, the ulnar) at the wrist.
- The femoral pulse is in the groin about a third of the way out.
- The popliteal pulse can be felt behind the knee.
- The posterior tibial pulse is behind the medial malleolus of the ankle.
- The dorsalis pedis is, as the name suggests, on top of the foot.
- The temporal artery on the side of your forehead
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Pulse
the palpable bounding of blood flow noted at various points of the body
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Pulse Deficit
when an insufficient contraction of the heart fails to transmit a pulse wave to the periphery
*to assess* must take the radial and apical pulse simultaneously and compare
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Pulse Oximetry
is a non-invasive method allowing the monitoring of the oxygenation of a patient's hemoglobin
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Pulse Pressure
the difference between the systolic and diastolic pressures
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Respiration
- ventilation
- diffusion
- perfusion
(the mechanism the body uses to exchange gasses b/t the body and the atmosphere)
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Systole
contraction of the heart
blood is ejected
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tachycardia
an abnormally elevated HR
>100bpm
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tachypnea
an abnormally high RR
> 20 bpm
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Temperature
the measure of heat or cold in the body
is the difference b/t heat produced and heat lost to the enviornment
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Vascular Resistance
the elasticity of the vessels
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Vital Signs
- temp
- BP
- Pulse
- RR
- O2 Saturation
all are used as indicators of health
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Heart Anatomy
- R ventricle pumps blood to the lungs
- L ventricle pumps blood to systemic
- heart fills with blood during diastole- relaxation
- heart empties the blood during systole- contraction
-
Blood Flow
- Lungs
- L atrium
- Mitral Valve
- L ventricle
- Aortic Valve
- Aorta
- Systemic
- Vena Cava
- R atrium
- Tricuspid Valve
- R ventricle
- Pulmonic Valve
- Lungs
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Normal cardiac output is _______ L/min for and 150lb adult at rest.
4-6 L/min
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Normal cardiac index is ______ L/min/m2
2.5 - 4
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Normal sequence of EKG is called a _________, and goes from the SA node to _____, ______ and to ______.
Normal sinus rhythm (NSR)
- AV node
- Bundle of His
- Purkinje Network
-
SA Node is the
- Pacemaker of the heart
- located in the R atrium
- nl 60-100 BPM
-
AV Node
- is directional, sends to either the atrium or the ventricles
- located in the R atrium
- nl- 40-60 BPM
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Factors that affect oxygenation
- carrying capacity of the blood
- decrease in the inspired O2 concentration
- decrease in blood volume ( hypovolemia)
- Increased BMR
- Improper development
- Lifestyle factors such as nurtition, exercise, smoking, substance abuse
- environmental factors such as air quality, occupational hazards and stress
-
Conditions that affect chest wall movement
- pregnancy
- obesity
- musculoskeletal abnormalities
- trauma
- neuromuscular disease
- CNS alterations such as TBI, spinal cord or phrenic nerve injuries
- effects of chronic diseases
-
Alterations in cardiac function
- conduction disturbances- a problem with the electrical flow in the heart
- altered cardiac output- such as poor stroke volume or ventricular contraction
- left sided heart failure- backflow into the lungs causing congestive heart failure or pulmonary edema
- right sided heart failure- backflow to venous circulation
- valvular heart disease-valve degeneration caused by a regurgitation of blood
- myocardial ischemia- insufficient O2 to the myocardium
- angina- chest pain, a temporary imbalance b/t O2 supply and demand
- myocardial infarction- a sudden decrease in coronary blood flow or increased myocardial O2 demand with insufficient perfusion. the infarction occurs b/c of ischemia and necrosis.
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