Booknotes3
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- If a pt body mass index is _____ or higher weight loss is encouraged
- 27
- What are PVDs?
- Disorders that alter the natural flow of blood through the arteries and veins of the peripheral circulation
- What is the basic definition of PAD?
- Chronic condition in which partial or total arterial occlusion deprives the lower extremities of oxygen and nutrients
- What is intermittent claudication?
- It is the most common characteristic for which most clients with PAD seek Tx ... A person is able to walk only a certain distance before a cramping, burning muscle discomfort or pain forces them to stop
- What are the accessory muscles of respiration?
-
* Scalene (elevate the first two ribs)
* Sternocleidomastoid (raise the sternum)
* Trapezius and Pectorlis (fix the shoulders) - What is the cardinal sign of respiratory disease?
- Cough
- What are things to note about sputum?
-
* Color
* Consistency
* Odor
* Amount - What are normal colors for sputum?
-
* Clear
* White
* Tan
* Gray - What color might sputum be if infection is present?
-
* Yellow
* Green - What are characteristics of sputum suggestive of pulmonary edema?
- Voluminous, pink, and frothy
- What color is pneumococcal pneumonia?
- Rust-colored
- Grossly bloody sputum may indicate?
-
* TB
* Pulmonary infarction
* Bronchial adenoma
* Lung abscess - A detailed description of chest pain is useful in differentiating what types of pain?
-
* Pleural
* Musculoskeletal
* Cardiac
* GI - Define Paroxysmal Nocturnal Dyspnea
- Intermittent dyspnea during sleep
- Define orthopnea
- SOB occurring when lying down but is relieved by sitting up
- Paroxysmal Nocturnal Dyspnea and Orthopnea are commonly associated with what two conditions
-
* Chronic pulmonary disease
* Left ventricular failure - Nasal flaring may indicate an increased _________ effort
- Respiratory
- When a tension pneumothorax, large pleural effusion, mediastinal mass, or neck tumor is present the trachea tends to move in which direction in relation to the affected area?
- Away from the affected area
- In the presence of a pneumonectomy, fibrosis, or atelactasis the trachea tends to do what in relation to the affected area?
- The trachea tends to pull toward the affected area
- Decreased trachea mobility may occur with carcinoma or fibrosis of the ?
- Mediastinum
- Underlying disease of the lung or pleura may reveal what upon inspection of the chest?
- Impaired movement or unequal expansion
- A prolonged expiratory phase indicate what?
- An obstruction of air outflow
- Normally, the ribs slope which, upward or downward?
- Downward
- When air is trapped in the lungs how do the ribs slope?
- Little or no slope
- Define fremitus –
- Vibration
- Define pneumothorax –
- Air in the pleural cavity
- What does crepitus indicate?
- Air is trapped within the tissues
- What is tactile fremitus?
- Vibration of the chest wall produced when the client speaks
- How does the nurse elicit tactile fremitus?
- Place the palm or base of the fingers against the client’s chest wall and instruct patient to say “99”
- Describe the pitch, intensity, quality, duration, and findings associated with RESONACNE –
-
* Pitch - Low
* Intensity – Moderate to loud
* Quality - Hollow
* Duration - Long
* Findings - Characteristic of normal lung tissue - Describe the pitch, intensity, quality, duration, and findings associated with HYPPERRESONANCE -
-
* Pitch – Higher than resonance
* Intensity – Very loud
* Quality - Booming
* Duration – Longer than resonance
* Findings - Indicates the presence of trapped air, commonly heard over an emphysematous or asthmatic lung and occasionally over a pneumothorax - Describe the pitch, intensity, quality, duration, and findings associated with FLATNESS -
-
* Pitch - High
* Intensity - Soft
* Quality – Extreme dullness
* Duration - Short
* Findings - Heard, for example, over the sternum. Flatness percussed over the lung fields may indicate a massive pleural effusion - Describe the pitch, intensity, quality, duration, and findings associated with DULLNESS -
-
* Pitch - Medium
* Intensity - Medium
* Quality - Thudlike
* Duration - Medium
* Findings - Example locations is over the liver and the kidneys. Dullness may be percussed over an atelactitic lung or a consolidated lung - Describe the pitch, intensity, quality, duration, and findings associated with TYMPANY -
-
* Pitch - High
* Intensity - Loud
* Quality – Musical, drumlike
* Duration - Short
* Findings - Examples are the cheek filled with air and the abdomen distended with air. Over the lung, a tympanic note usually indicates a large pneumothorax - Where are bronchial sounds normally heard?
- Over the trachea and mainstem bronchi
- Where are bronchovesicular sounds normally heard?
- Over the branching bronchi
- Where are vesicular sounds normally hear?
- In the periphery over small bronchioles
- Where in the respiratory cycle FINE CRACKLES, FINE RALES, or HIGH-PITCHED RALES heard, what are FINE CRACKLES, FINE RALES, or HIGH-PITCHED RALES the characteristic of, and what might FINE CRACKLES, FINE RALES, or HIGH-PITCHED RALES be associated with?
-
* Occurrence – Either early or late inspiration
* Character – Popping, discontinuous sounds caused by air moving into previously deflated airways; “Velcro” sounds late in inspiration usually associated with restrictive disorders
* Association – Asbestosis, Atelectasis, Interstitial fibrosis, Bronchitis, Pneumonia, Chronic pulmonary diseases - Where in the respiratory cycle COARSE CRACKLES or LOW-PITCHED CRACKLES heard, what are COARSE CRACKLES or LOW-PITCHED CRACKELS the characteristic of, and what might COARSE CRACKLES or LOW-PITCHED CRACKELS be associated with?
-
* Occurrence – More common on expiration but may be present early in inspiration
* Character – Lower pitched, coarse, discontinuous rattling sounds caused by fluid or secretion in large airways; likely to change with coughing or suctioning
* Association – Bronchitis, Pneumonia, Tumors, Pulmonary edema - Where in the respiratory cycle WHEEZE heard, what are WHEEZE the characteristic of, and what might WHEEZE be associated with?
-
* Occurrence – Audible during either inspiration, expiration, or both
* Character – Squeaky, musical, continuous sounds associated with air rushing through narrowed airways; may be heard without a stethoscope…arise from small airways…usually do not clear with coughing
* Association – Inflammation, Bronchospasm, Edema, Secretions, Pulmonary vessel engorgement - Where in the respiratory cycle RHONCUS (RHONCHI) heard, what are RHONCUS (RHONCHI) the characteristic of, and what might RHONCUS (RHONCHI) be associated with?
-
* Occurrence – Audible during both inspiration and expiration, but commonly more prominent on expiration
* Character – Lower-pitched, coarse, continuous snoring sounds; Arise from the large airways
* Association – Thick, tenacious secretions; Sputum production; Obstruction by foreing body; Tumors - Where in the respiratory cycle PLEURAL FRICTION RUB heard, what are PLEURAL FRICTION RUB the characteristic of, and what might PLEURAL FRICTION RUB be associated with?
-
* Occurrence – Heard during both inspiration and expiration, generally at the end of inspiration and the beginning of expiration
* Character – Loud, rough, grating, scraping sounds caused by the inflamed surfaces of the pleura rubbing together; often associated with pain on deep inspirations; Heard in lateral lung fields
* Association – Pleurisy, TB, Pulmonary infarction, Pneumonia, Lung cancer - Define Bronchophony –
- Abnormally loud and clear transmission of voice sound through an area of increased density. “99”
- Defined Whispered Pectoriloquy –
- Enhanced voice heard through the chest wall. “One, two, three”
- Define Egophony –
- Abnormally enhanced vocal resonance; high-pitched, bleating, nasal quality. “E” heard as “A”
- What is V/Q (Ventilation and Perfusion Scanning) used to support or rule out?
- Dx of pulmonary embolism
- Rheumatic fever is the most common cause of ?
- Mitral Stenosis
- Describe key features of Arterial Ulcers –
-
* Hx – Client complains of claudication after walking appx 1-2 blocks; rest pain usually present; pain at ulcer site; two or three risk factors present
* Ulcer location and appearance – End of toes, between the toes, deep, ulcer bed pale with even edges, little granulation tissue
* Other assessment findings – cool or cold foot; decreased or absent pulses, atrophy of skin, hair loss, pallor with elevation, dependent rubor, possible gangrene,
* Tx – Treat underlying cause, prevent trauma and infection, client education, stressing foot care - Increased systemic venous pressure and congestion are associated with which ventricular failure?
- Right
- What is valvular stenosis?
- When the heart valves are unable to open fully
- Describe key features of Venous Ulcers –
-
* Hx – Chronic nonhealing ulcer; no claudication or rest pain; moderate ulcer discomfort; client complains about ankle or leg swelling
* Ulcer location and appearance – ankle area; brown pigmentation; ulcer bed pink; usually superficial, with uneven edges, granulation tissue present
* Other assessment findings – Ankle discoloration and edema; full veins when leg slightly dependent; no neurologic deficit; pulses present; may have scarring from previous ulcers
* Tx – longterm wound care; elevate extremity, pt. education, prevent infection - Describe key features of Diabetic Ulcers –
-
* Hx – Diabetes; peripheral neuropathy; no complaints of claudication
* Ulcer location and appearance – Plantar area of foot; metatarsal heads; pressure points on feet; deep; pale, with even edges; little granulation tissue
* Other assessment findings – pulses usually present; cool or warm foot; painless
* Tx – Rule out major arterial disease; control diabetes; client education regarding foot care; prevent infection - The onset of acute arterial occlusion is often _____ and _____ -
- Sudden and dramatic
- What are the six “p”s of ischemia
-
* Pain
* Pallor
* Pulselessness
* Paresthesia
* Paralysis
* Poikilothermai (coolness) - Define atherosclerosis –
- Formation of plague within the arterial wall
- People with severe diabetes mellitus frequently have premature and severe atherosclerosis,
- often involving the microvasculature
- How might stress be r/t arterial injury?
- The effect of stress may be due to its effect on the sympathetic and parasympathetic release of catecholamines and an acute rise in blood pressure
- What is considered optimal LDL values?
- Less than 100
- What are considered LDL levels near or above optimal?
- 100 – 129
- What are LDL levels considered borderline high and advisable to follow a fat-modified diet?
- 130-159
- What are systolic and diastolic pressures in stage 1 hypertension?
-
S – 140-159
D – 90-99 - What are systolic and diastolic pressures in stage 2 hypertension?
-
S – 160-179
D – 100-109 - What are systolic and diastolic pressures in stage 3 hypertension?
-
S - > 180
D - > 110 - Where are arterial baroreceptors found?
-
* Carotid sinus
* Aorta
* Wall of the left ventricle - What type of elevated blood pressure is rapidly progressive?
- Malignant hypertension
- What is secondary hypertension?
- When a specific disease state or medication increase a personÂ’s susceptibility to hypertension
- What are two of the most common causes of secondary hypertension?
-
* Renal vascular disease
* Renal parenchymal disease - Coarctation of the aorta is what?
- A congenital narrowing of the aorta that may cause hypertension
- What are some medications that may cause secondary hypertension?
-
* Estrogen
* Glucocorticoids
* Mineralocorticoids
* Sympathomimetics
* Cyclosporine
* Erythropoietin - What is the effect of sympathetic stimulation on venous return to the heart?
- Sympathetic stimulation increases venous return to the heart, increasing preload
- When the ventricle is unable to contract forcefully enough during systole to eject adequate amount of blood into the circulation, what type of dysfunction occurs?
- Systolic
- What are some conditions that outside the respiratory system that increase oxygen demand, decrease oxygen-carrying capability of the blood, or decrease cardiac output?
-
* Sepsis
* Fever
* Decreased hgb levels
* Poor hgb quality - Patients with what type of diseases have a principal respiratory drive driven by hypoxia?
- Chronic lung disease with hypercarbia
- When does the hypoxic drive occur?
- In the presence of severely elevated PaCO2 levels (i.e. in the client who has hypoxemia and hypercarbia)
- What are initial symptoms of acute respiratory distress syndrome?
-
* Nonproductive cough
* Substernal chest pain
* GI upset
* Dyspnea - What are more severe symptoms of ARDS?
-
* Elevated levels of oxygen
* Decreased vital capacity
* Decreased compliance (resulting in more dyspnea)
* Crackles
* Hypoxemia - What are structural damage prolonged exposure to high concentrations of oxygen causes?
-
* Atelectasis
* Pulmonary edema
* Pulmonary hemorrhages
* Hyaline membrane formation - What is absorption atelectasis?
- The collapse of alveoli that occurs when high concentrations of oxygen are delivered, nitrogen is diluted, and oxygen diffuses from the alveoli into pulmonary circulation
- When an oxygen flow rate higher than _____ L/min is needed, humidification is added
- 4
- What is the organism often responsible for infection resulting from a humidified oxygen system?
- Pseudomonas aeruginosa
- Name four low-flow oxygen delivery systems
-
* Nasal cannula
* Simple face mask
* Partial rebreather mask
* Non-rebreather mask - When the left ventricle is unable to relax adequately during diastole, what type of failure occurs?
- Diastolic failureÂ…inadequate relaxation prevents the ventricle from filling with sufficient blood to ensure an adequate cardiac output
- Nasal cannula is used to deliver oxygen concentrations ranging from what percent to what percent?
- 24% at 1L to 44% at 6L
- A simple face mask delivers oxygen concentrations of what percentage range?
- 40% at 5L to 60% at 8L
- A partial rebreather mask delivers oxygen concentrations of what percentage range?
- 60%-75% at 6-11L
- A non-rebreather mask delivers oxygen concentrations of what percentage range?
- 80%-95% FIO2 at liter flow to maintain reservoir bag two-thirds full
- Name high-flow oxygen delivery systems
-
* Venturi Mask
* Aerosol Mask, Face Tent, Tracheostomy Collar
* T-Piece - Which high flow oxygen delivery system delivers precise oxygen concentrations?
- Venturi system
- A Venturi mask delivers oxygen concentrations of what percentage range?
- 24%-55% at 4-10L and provides high humidity
- An aerosol mask, face tent, or tracheostomy collar mask delivers oxygen concentrations of what percentage range?
- 24-100% at at least 10L and provides high humidity
- A T-piece delivers oxygen concentrations of what percentage range?
- 24-100% at at least 10L and provides high humidity
- What are three ways home oxygen therapy is provided?
-
* Compressed gas in a tank
* Liquid oxygen in a reservoir
* Oxygen concentrator - Define tracheostomy
- The stoma that results from a tracheotomy
- What are the six major complication that may arise postoperatively with an ET tube?
-
* Tube obstruction with secretions
* Tube dislodgment
* Pneumothorax
* Subcutaneous emphysema
* Bleeding
* Infection - What are ways to prevent secretions from obstructing an ET tube?
-
* Coughing and deep breathing
* Providing inner cannula care
* Humidifying the oxygen source
* Suctioning - For how long after surgery is bleeding from a tracheotomy to be expected?
- The first few days
- What is considered safe cuff pressure for an ET cuff in order to avoid tracheal damage?
- 14-20 mm Hg
- What are assessment indications that a pt is in need of suctioning?
-
* Audible secretions
* Noisy secretions
* Crackles or rhonchi on auscultation
* Restlessness
* Increases pulse or respiratory rates
* Presence of mucus in the artificial airway
* Client requests
* Increase in the peak airway pressure on the ventilator - List causes of hypoxia in a pt with a tracheostomy –
-
* Ineffective oxygenation before, during, and after suctioning
* Use of a catheter that is too large for the artificial airway
* Prolonged suctioning time
* Excessive suction pressure
* Too frequent suctioning - How does the nurse prevent hypoxia in a patient with a tracheostomy?
-
* Hyperoxygenate the patient with 100% oxygen from an oxygen delivery device
* Use a correct size catheter - What are frequent causes of tissue trauma in the patient with a tracheostomy?
-
* Frequent suctioning
* Prolonged suctioning time
* Excessive suction pressure
* Nonrotation of the catheter - Tracheostomy care
-
* Assemble equipment
* Wash hands
* Suction the trach tube if necessary
* Remove old dressings and excess secretions
* Set up a sterile field
* Remove and clean the inner cannula with half strength hydrogen peroxide
* Rinse with sterile saline
* Clean the stoma site and then the trach plate with half strength hydrogen peroxide followed by sterile saline
* Change trach ties if they are soiled
* Document type and amount of secretions and general condition of the stoma and surrounding skin - In a client with a trach tachypnea may indicate ?
- Hypoxia
- What is it called when the heart valves are unable to close completely?
- Valvular insufficiency or valvular regurgitation
- Most head and neck cancers are of what type of cell origin?
- Squamous
- When is an obturator in place?
- Only when inserting tubes
- What are key features of left-sided heart failure (pulmonary congestion)?
-
* Hacking cough, worse at night
* Dyspnea/breathlessness
* Crackles or wheezes in lungs
* Frothy, pink-tinged sputum
* Tachypnea
* S3/S4 summation gallop - How do arterial vasodilators work to reduce afterload?
- By relaxing the arterioles resistance to left ventricular ejection (afterload) allows for improved cardiac output
- What is the effect of right ventricular failure on systemic veins and the systemic venous system?
- Because the right ventricle is unable to empty completely, increased volume and pressure developing the systemic veins, and systemic venous congestion and peripheral edema occur
- What is low-output syndrome?
- When the heart fails to pump enough, resulting in impaired peripheral circulation and peripheral vasoconstriction
- What is high-output syndrome?
- When cardiac output remains normal or above normal, but the metabolic needs of the body are not met (such as during hyperthyroidism, fever, or pregnancy)
- What are key features of left sided heart failure (decreased cardiac output)?
-
* Fatigue
* Weakness
* Oliguria during the day
* Angina
* Confusion, restlessness
* Dizziness
* Tachycardia, palpitations
* Pallor
* Weak peripheral pulses
* Cool extremities - What are key features of right sided heart failure (systemic congestion)?
-
* Jugular neck vein distention
* Enlarged liver and spleen
* Anorexia and nausea
* Dependent edema (legs and sacrum)
* Distended abdomen
* Swollen hands and fingers
* Polyuria at night
* Weight gain
* Increased blood pressure (from excess volume) or decreased blood pressure (from failure) - What happens to pressure in the pulmonary venous system as the amount of blood ejected from the left ventricle diminishes?
- Pressure builds in the pulmonary venous system and results in fluid-filled alveoli and pulmonary congestion
- As the right ventricle fails, what signs of systemic congestion occur?
-
* Fluid is retained
* Pressure builds in the venous system - Decreased cardiac output and elevated pulmonary venous pressure are associated with which ventricular failure?
- Left
- How do ACE inhibitors work?
- By suppressing the R-A-A system, the body effectively loses water, and thereby there is a decrease in blood pressure due to a decrease in blood volume
- Each beat of the heart pumps approximately how many mL of blood?
- 60mL (or 5 L/minute)
- Where is the right ventricle located in relation to the sternum?
- Behind the sternum
- Define cardiac output?
- The volume of blood in liters ejected by the heart each minute
- Key features of Mitral Insufficiency
-
* Fatigue
* DOE
* Orthopnea
* Palpitations
* Atrial Fibrillation
* Neck vein distension
* Pitting edema
* High pitched holosystolic murmur - How is cardiac index determined?
- Divide the cardiac output by the body surface area
- Define heart rate –
- The number of times the ventricles contract each minute
- What is the effect of the parasympathetic system on the heart rate?
- The parasympathetic system slows the heart rate
- What is the effect of the sympathetic system on the heart rate?
- The sympathetic system speeds the heart rate
- What are the catecholamines of the sympathetic system that speed the heart rate?
- Epinephrine and norepinephrine
- Define stroke volume –
- Amount of blood ejected by the left ventricle during each systole
- Define preload –
- The degree of myocardial fiber stretch at the end of diastole and just before contraction
- Define afterload –
- The pressure or resistance that the ventricles must overcome to eject blood through the semilunar valves into the peripheral blood vessels
- Define impedance –
- The pressure that the heart must overcome to open the aortic valve
- How does the ANS regulate BP?
- Baroreceptors, chemoreceptors, and stretch receptors are sensitive to pressure or volume changes which in turn result in signals being sent to the CNS which stimulates the SNS
- How does the renal system regulate BP?
- When renal blood flow or pressure decreases, the kidneys retain sodium and water. Blood pressure tends to rise because of fluid retention and because of activation of the R-A-A mechanism. Vascular volumes is also regulated by the release of antidiuretic hormone from the posterior pituitary gland
- What are alternative terms to use instead of “chest pain”?
-
* Discomfort
* Heaviness
* Indigestion - What are assessment findings of right sided heart failure?
-
* Neck vein distension
* Hepatomegaly
* Pitting edema
* High pitched systolic murmur at the apex with radiation to the left axilla - What are the onset, quality and severity, location and radiation, duration, and relieving factors of ANGINA?
-
* Onset – sudden, usually in response to exertion, emotion, or extremes in temperature
* Quality and severity – Squeezing, vise-like pain
* Location and radiation – substernal; may spread across the chest and the back and/or down the arms
* Duration – Usually lasts less than 15 minutes
* Relieving factors – relieved with rest, nitrate administration, or oxygen therapy - What are the onset, quality and severity, location and radiation, duration, and relieving factors of MI?
-
* Onset – Sudden, without precipitating factors, often in early morning
* Quality and severity – Intense stabbing, vise-like pain or pressure, severe
* Location and radiation – Substernal; may spread through the anterior chest and to the arms, jaw, back, or neck
* Duration – usually lasts 30 minutes or longer
* Relieving factors – relieved with opioids - What are the onset, quality and severity, location and radiation, duration, and relieving factors of PERICARDITIS?
-
* Onset – sudden
* Quality and severity – sharp stabbing, moderate to severe
* Location and radiation – Substernal; usually spreads to the left side or the back
* Duration – Intermittent
* Relieving factors – sitting upright, analgesia, or administration of anti-inflammatory agents - What are the onset, quality and severity, location and radiation, duration, and relieving factors of PLEUROPULMONARY?
-
* Onset – Variable
* Quality and severity – Moderate ache, worse on inspiration
* Location and radiation – Lung fields
* Duration – Continuous until the underlying condition is treated or the client has rested
* Relieving factors – Tx of the underlying condition or client rest - What are the onset, quality and severity, location and radiation, duration, and relieving factors of ESOPHAGEAL-GASTRIC?
-
* Onset – Variable
* Quality and severity – Squeezing, heartburn, variable severity
* Location and radiation – Substernal; may spread to the shoulders or the abdomen
* Duration – Variable
* Relieving factors – Antacid administration or food intake - What are the onset, quality and severity, location and radiation, and duration of ANXIETY?
-
* Onset – Variable, may be in response to stress or fatigue
* Quality and severity – Dull ache to sharp stabbing; may be associated with numbness in fingers
* Location and radiation – Usually the left side of chest without radiation
* Duration – Usually lasts a few minutes - Pallor is a characteristic of ?
- Anemia
- When is hemodynamic monitoring used?
- Critical care areas to provide quantitative information about vascular capacity, blood volume, pump effectiveness, and tissue perfusion
- Key features of Mitral Stenosis
-
* Fatigue
* DOE
* Orthopnea
* PND
* Hemoptysis
* Hepatomegaly
* Neck vein distention
* Pitting edema
* Atrial fibrillation
* Rumbling apical diastolic murmur - Key features of Mitral Valve Prolapse
-
* Atypical chest pain
* Dizziness, syncope
* Palpitations
* Atrial tachycardia
* Ventricular tachycardia
* Systolic click - Key features of Aortic Stenosis
-
* DOE
* Angina
* Syncope on exertion
* Fatigue
* Orthopnea
* PND
* Harsh, systolic crescendo-decrescendo murmur - Key features of Aortic Insufficiency
-
* Palpitations
* Dyspnea
* Orthopnea
* PND
* Fatigue
* Angina
* Sinus tachycardia
* Blowing, decrescendo diastolic murmur - What are compensatory mechanisms when cardiac output is insufficient?
-
* Increased HR
* Improved stroke volume
* Arterial vasoconstriction
* Sodium and water retention
* Myocardial hypertrophy - What is the most immediate compensatory mechanism during heart failure?
- Stimulation of the sympathetic nervous system
-
Cough is a side effect of which?
a) ACE Inhibitors
b) Calcium Channel Blockers
c) Beta Adrenergic Blocking Agents
d) Diuretics - a) ACE Inhibitors