Maegan's Test #4 - Circulation Flashcards
What is the leading cause of morbidity and mortality in the US?
Cardiovascular Disease
There are often other diseases that co-exist with cardiovascular disease, What are a few examples?
Diabetes
Mellitus
Obesity
Hyperlipidemia
Tobacco and/or alcohol abuse
What is the amount of force exerted on the arterial walls by the blood flowing within the vessels?
Blood Pressure
What are the normal ranges for Systolic and Diastolic Blood Pressure?
Systolic 100-120 mmHg
Diastolic 60-80 mmHg
What are the components of Blood Pressure?
Pump
Fluid Volume
Vascular Bed
(Heart Rate and Force of Contraction)
The ULTIMATE GOAL of Blood Pressure is that it adjusts to maintain _______ Perfusion.
Blood Pressure is adjusted to maintain TISSUE Perfusion
What is the amount of blood pumped by the ventricles in 1 minute?
Cardiac Output
How do you Calculate Cardiac output?
Heart Rate X Stroke Volume (~70mL for healthy adult)
The Venus pressure is ____ _____ to adequately return blood to the heart.
The Venus pressure is TOO LOW to adequately return blood to the heart.
What are some of the Assistive mechanisms that help the Venous return?
Respiratory Pump
Muscular Pump
(Pushes blood toward heart)
Venous Valves
(Prevents backward flow of blood)
(Draws blood toward heart with deep breath)
What are the three types of Diseases/Disorders of the Cardiovascular system?
Congenital (Born with) VS Acquired
Structural VS Functional
Acute VS Chronic
What is the primary problem with a cardiovascular disease?
Impaired Tissue Perfusion
What are 3 risk factors for cardiovascular disease?
Heredity
Age
(As you get older you are at higher risk)
Gender
(Before menopause men are at higher risk, After Menopause it evens itself out)
(At higher risk if it runs in the family)
What are some of the Modifiable risk factors for cardiovascular disease? (Things that can be changed by client)
Elevated Lipid Levels
Hypertension
Cigarette Smoking
Diabetes Mellitus
(High Levels of Glucose damages blood vessels)
Obesity
(Not just the volume of weight but where they carry that weight-Apple shaped at higher risk than Pear)
Waist Circumference
Sedentary Lifestyle
What are some Lab tests you would do to check for cardiovascular problems? (3 tests)
Lipid & cholesterol Levels Homocysteine Levels
What are some cardiovascular focused assessments you would do?
Level of Consciousness (LOC) Orientation Skin Color, temp, moisture & turgor P,R, BP (Do both arms within 10 mmHg) Apical Pulse (Just know rate/Rhythm) Heart Sounds (Rhythm & if murmur) Peripheral Pulse (Do both at same time and know presence, rate, rhythm, strength and equality) (0-No Pulse 1-Weak 2-Normal 3-Bounding) Edema Tilt test (Test for Orthostatic hypertension)
When performing a tilt test, what would change in blood pressure and pulse to provide a positive tilt test result?
Blood Pressure Systolic- decrease 20mm Dystolic- decrease 10mm Pulse Increase by 15-30 bpm
What are some nursing problems/diagnosis for decreased cardiac output?
Decreased heart rate or force of contraction Increased heart rate (>150) Decreased fluid volume or hemorrhage Arrhythmias Incompetent valves Myocardial Ischemia (heart not getting enough oxygen)
What is the main Nursing Goal for decreased cardiac output?
Maintain & restore cardiac output
What is the main goal for tissue perfusion?
Maintain or Improve tissue perfusion
The purpose of the purpose of the Cardiovascular system when talking about transportation are to….
Transport ____________ & _____________ to tissues
The purpose of the purpose of the Cardiovascular system when talking about transportation are to….
Transport OXYGEN & NUTRIENTS to tissues
The purpose of the purpose of the Cardiovascular system when talking about transportation are to….
Transport ______ ______ & ______ _______ from tissues for elimination
The purpose of the purpose of the Cardiovascular system when talking about transportation are to….
Transport WASTE PRODUCTS & CARBON DIOXIDE from tissues for elimination
The purpose of the purpose of the Cardiovascular system when talking about transportation are to….
Transport _________ & _____________ to target organs.
The purpose of the purpose of the Cardiovascular system when talking about transportation are to….
Transport HORMONES & MEDICATIONS to target organs.
The purpose of the purpose of the Cardiovascular system when talking about transportation are to….
Transport ______ ________ _______ & ____________ to points of inflammation or infection.
The purpose of the purpose of the Cardiovascular system when talking about transportation are to….
Transport WHITE BLOOD CELLS & ANTIBODIES to points of inflammation or infection.
The purpose of the purpose of the Cardiovascular system when talking about transportation are to….
Transport _____________ & __________ _____________ to points of injury.
The purpose of the purpose of the Cardiovascular system when talking about transportation are to….
Transport PLATLETS& CLOTTING FACTORS to points of injury
The Cardiovascular system is responsible for regulating what items? (There are 3)
Body Temperature
pH (Regulates this)
Fluid & Electrolyte status
(Filtering through Kidney & Producing urine)
What is the electrical & mechanical activity that results in one heartbeat?
Cardiac Cycle
There are two phases to the cardiac cycle, what are they?
Contraction
Relaxation
(Diastole - Ventribles refil with blood)
(Systole - Blood ejected from heart)
What is it when the atria contract at end of diastole, adding additional volume to the ventricles?
Atrial Kick
Cardiac Output is adjusted to meet tissue needs, by adjusting your heart rate & the force of contraction. What are the two effects for those?
Chronotropic Effect
Increace Heart Rate
Inotropic Effect
Increase in how hard it thumps
What are some risk factors for Metabollic syndrom? (There are 5)
Central Obesity
Elevated Triglycerides
Lower HDL Cholesterol
Hypertension
Increased fasting glucose
What are 3 Diagnostic/Lab testsyou could do to check the Cardiovascular system?
12 Lead Electrocardiogram (EKG)
Identifies rhythm & diagnose acute events
24 Hour Holter Moniter
Catch “Intermittent” events
Telemetry/Bedside Monitoring
Monitor rhythm continuously
What are some nursing implications you could do for Electrophysiological studies (EKG, Telemetry)?
Observe electrical activity
No NPO or prep involved
Jelly filled electrodes applied to chest or limbs
May need to clip hair, dry skin, or abrade skin
If there is a change on the monitors what is the 1ST PRIORITY?
ASSESS THE CLIENT
Don’t assume since it shows no heart rate that the client is dead
What are 3 types of Imaging studies you can do to chekc on the cardiovascular system?
Echocardiogram
Doppler study
(Arterial or Venous blood flow)
CT or MRI
(Structural Anomalies)
(Structure and motion of the heart)
What are some nursing implications for Imaging Studies?
Painless but ultrasound jelly may be unpleasant
Client needs to lie still & follow tech’s instructions
Place client in gown
Some echo’s & doppler’s done at bedside
CT or MRI may include contrast
Assess for allergies and keep client NPO
What are some Bloodwork tests that can be ran to test the Cardiovascular system? There are 5
Lipid & Cholesterol Levels
Homocysteine Levels
Cardiac Enzymes (Troponin, CPK, LDH) (3 enzymes, 1 test - ordered for specific heart issues)
Anemia
(Compromises ability to carry oxygen to tissue)
Electrolyte Imbalance
(Fluid helps contract & relax)
(Common Prractice)
What are some nursing implications for bloodwork?
Some tests require NPO status
Responsible for notifying PCP of critical values
(When at risk for complication)
(Lipid & Cholesterol / Homocysteine Levels)
What are some assessment items you would ask when assessing the history on a client with cardiovascular issues?
Medical Hx - Cardio, Respiratory, Diabetes
Family Hx
Smoking Hx
Diet - Especially fat, salt, alcohol & caffeine
Exercise - Amount & type
Medications - Heart, BP, Circulation, cholesterol;
INCLUDE HERBALS
Lifestyle - Stressors, support, & coping Method
Symptoms - Pain, SOB, fatigue, palpations, cough, fainting
What are some physical assesments you would do when focused on cardivascular?
LOC
Level of Consciousness
Orientation
Skin - Turgor, color, temp, moisture
P, R, BP (Both arms within 10mmHg)
Apical pulse - JUST rate & rhythm
Heart Sounds - Know normal & mumur
Peripheral Pulses - Presence, rate, rhythm, strength, equality
Edema
Tilt Test
When assessing rhythm of pulse there are 4 stages, what are they?
0 - No pulse
1 - Weak
2 - Normal
3 - Bounding
What are some Nursing Problems/Diagnosis for Decreased Cardiac Output?
There are 6
Decreased Heart rate or force of Contraction
Increased Heart Rate - >150
(Overall Cardiac output will diminish)
Decreased fluid volume or hemorrhage
Arrhythmias
Incompetent Valves
Myocardiao Ischemia
(Muscle not getting adequate oxygen)
What are some signs & symptoms of decreased cardiac output?
Angina
Not getting enough oxygen to blood
SOB/Dyspnea(Painful Breathing)
Dizziness or lightheadedness
Nausea
diaphoresis
Decreased BP
Weak or Irreg pulses
Cool skin
Pale, ashy, dusky, or cyanotic skin
weakness
Fatigue
What is the MAIN goal for decreased cardiac output?
Maintain or restore Cardiac Output
What are 3 MAIN interventions for decreased cardiac output?
Place on Monitor
Provide Oxygen
SLN (To be able to give fluids and meds)
What are two interventions you would do for a decreased heart rate or force of contraction when relating to decreased cardiac output?
Provide inotropic &/or chronotropic med
DIGOXIN
Pacemaker
Internal or External
What are 4 interventions you would do if the heart rate was increased to over 150 bpm when relating to decreased cardiac output?
Correct fluid volume deficit FIRST
Provide medication to decrease heart rate
may require cardioversion
Stimulate Vagal Response
What are 2 interventions for decreased fluid volume or hemmorhage when relating to decreased cardiac output?
Stop the bleeding
Provide IV fluids &/or blood transfusion
What are 2 interventions for Arrhythmias when pertaining to decreased cardiac output?
Provide Medications
May require cardioversion
Unless Chronic
What is the MAIN GOAL for impaired tissue perfusion?
Maintain or improve tissue perfusion
What is an intervention for incompetent valves when pertaining to decreased cardiac output?
May require surgical replacement
What are 4 interventions for Myocardial Ischemia when pertaining to decreased cardiac output?
Provide Notrostat SL to dilate coronary arteries
Provide additional meds & support as ordered
(Ex- ASA, Beta Blocker, BP support, etc)
Remain calm & supportive
Order EKG & Lab to Confirm
What are the 2 things you evaluate when it comes to Decreased cardiac Output?
Were the interventions effective?
Was the goal attained?
What are the 2 problems/diagnosis for IMPAIRED TISSUE PERFUSION?
Decreased Cardiac Output
Impaired Blood Flow
- Thrombus - Clot @ that location
- Embolus - Clot or piece of plaque brok look from origin & traveled somewhere else)
- Constrictive/Pressure Issue (Ex: Immobility or compartment Syndrome
(5 Etiologies - Doesn’t include fluid)
What are some assessments you would do for decreased cardiac output when pertaining to impaired tissue perfusion?
All signs and symptoms of decreased cardiac output
Organ Specific Assessments:
Brain: Confusion, LOC, seizure, weakness, paresthesia, & paralysis
Lungs: SOB, dyspnea, tachypnea, cyanosis, anxiety, pain in chest
Heart: angina, impending doom, arrhythmias, brady or tachycardia
Kidneys: Urine output, fluid volume overload, K level
Peripheral: Unequal pulses, isolated color changes, cool skin, edema, hair pattern, positional color changes, non-healing wounds,&/or ulcers, parasthesias, pains/aches
What are some interventions for impaired blood flow when talkng about impaired tissue perfusion?
Place client in Tredelenburg
Place client on bedrest
provide anticoagulant and or antiplatelet aggregator as ordered
provide thrombolytic if ordered
Relieve Constriction
Turn client every 2 hours
The best approach to a tissue perfusion problem is to ________ __________
The best approach to a tissue perfusion problem is to PREVENT OCCURENCE
What are some ways to prevent tissue perfusion problems?
Leg & Feet Exercises
TED Hose
(tight to divert blood flow to main veins)
SCD’s
(Sequential Compression Devices)
Foot Pumps
(Compress veins on bottom of foot)
Early Ambulation
(Movement promotes venous return)
What are 2 items you evaluate when it comes to impaired tissue perfusion?
Did we restore blood flow to tissue?
Were our interventions effective?
There are 5 drug classes for cardiovascular problems?
Antihypertensives
Anticoagulants
(Helps to reduce clotting)
Antiplatelet Aggregators
(Keep platletts from forming clot)
Lipid-Lowering Agents
Antiarrhythmics
(Helps heart beat @ normal rhythm)
(Lower BP)
What medication is an antiarrhythmic, increases the force of the contraction and slows condution through the AV node, Comes in oral & IV form, and has the side effect of Bradycardia & Nausea?
DIGOXIN (LANOXIN)
What are some Nursing implications for Digoxin?
Check Apical pulse for 1 minute prior to administering - Hold if <60 & Notify PCP
Monitore Digoxin Level
TERAPEUTIC = 0.5-2.0 ng/ml
Suspec Toxicity & notify PCP if:
Anorexia
Nausea, Vomitting, Diarrhea
visual disturbances (Halo, Blurred, and diplopia)
GINSENG MAY INTENSIFY OR INTERFERE WITH MED!!!
Ativan (Lorazepam) is a Benzodiazepine, what are 2 therapeutic uses?
Anxiolytic & Sedative-hypnotic
What are some side effects of Ativan (Lorazepam)?
Bold is most common
ALL CAPS is what will kill you

Bold is most common
Central Nervous System:
Drowsiness, sedation, dizziness, weakness
Cardiovascular:
Hyper/Hypotension, Blurred Vision
GI:
Nausea & Vomitting, abdominal discomfort, anorexia
What are some Medication or Food Interactions with Ativan (Lorazepam)?

CENTRAL NERVOUS SYSTEM DEPRESSANTS
ANTICONVULSANTS
CIMETIDINE
ALCOHOL
KAVA
Phenytoin levels
What are some nursing interventions for Ativan (Lorazepam)?

Supervise Ambulation in older patients
Lab tests if patient is on long term therapy:
CBC (Complete Blood Count) & LFT (Liver Function Test)
Supervise for suicide risk
What are some teachings for Ativan (Lorazepam)?

Do not drive or engage in hazardous activities for 24-48 hours
Do not consume alcohol for at least 24-48 hours
Notify PC if datime psychomotor function is impaired
Terminate use slowly over several days
Discuss termination of trying to get pregnant
Valium (Diazepam) is a Benzodiazepine, what are some therapeutic uses?

Anticonvulsant
Antianxiety
Skeletal muscle relaxant
Alcohol Withdrawal
What are some side effects for Valium (Diazepam)?

Dizziness
Drowsiness
Tachycardia
Cardiovascular Collapse
Laryngospasm
ECG Changes
RESPIRATORY DEPRESSION
Throat/Chest Pain
Fatigue
Blurred Vision
Urinary Retention
Ataxia
What are some medication or food interactions with Valium (Diazepam)?

Alcohol - Causes increased Central Nervous System Depression
Kava(Herbal Supp) - Causes increased sedation
Smoking - Decreases sedation & anxiety effect
What are some nursing interventions for Valium (Diazepam)?

Monitor I&O
Supervise ambulation
Suicidal tendencies
Monitor for adverse effects
What are some teachings you should do for Valium (Diazepam)?

AVOID ALCOHOL & CNS DEPRESSANTS
Do not drive
Take as prescribed
Xanax (Alprazolam) is a Benzodiazepine, what are some therapeutic uses?

Antianxiety
Sedative-hypnotic
What are some side effects of Xanax (Alprazolam)?
Drowsiness
Sedation
Confusion
Insomnia
Headache
Fatigue
Tachycardia
Hypotension
ECG Changes
Dyspnea

What are some of the medication/food interactions with Xanax (Alprazolam)?

Alcohol
Cimetidine
Disulfiram
Fluoxetine
KAVA
ST JOHNS WART
Valerian
Antihistamine’s
What are some nursing interventions for Xanax (Alprazolam)?

Monitor for Signs and Symptoms of drowsiness & Sedation
Elderly may need help with ADL’s & Ambulation
Continued therapy needs periodic lab tests
What are some teachings for Xanax (Alprazolam)?

Make position changes slowly
No alcohol use or OTC meds for allergies or sleep
No driving
TAPER OFF!!!
Buspar (Buspirone Hydrochloride) is NOT related to other benzodiaepines or barbituates, What is a therapeutic use?

Antianxiety
What are some Side effects for Buspar (Buspirone HCI)?

Dizziness
Headache
Drowsiness
Nausea
Tachycardia
Palpitation
Blurred Vision
Urinary Frequency
Hyperventilation/SOB
What are some medication or food interactions withBuspar (Buspirone HCI)?

MAOI INHIBITORS
TRAZADONE
GRAPEFRUIT JUICE
ST JOHNS WORT
Haloperiod Serum Levels
What are some interventions for Buspar (Buspirone HCI)?

Monitor Therapeutic effectiveness in 7-10 days
Reinforce importance of continuing treatment plan
Monitor Dystonia (Abnormal Muscle spasms)
Observe and report adema, decreased urinary output, jaundice, Nausea & Vomitting, and itching
What are some teachings for Buspar (Buspirone HCI)?

Report any changes immediately
Do not use OTC drugs
Do not drive until you know how dose effects you
Discuss limits of alcohol intake
Benzodiazepines are Anti-anxiety, Sedative-Hypnotics, and Anti-Convulsants, what are some side effects?

Sedating
Muscle Relaxing
Hypotension
CNS Suppressant
What are some medication or food interactions with Benzodiazepines?

Alcohol increases it’s effects
Digoxin (Lanoxin) increases the force of contraction & Slows conduction through AV node which is a negative chronotropic effect, what are some of the therapeutic uses?

Inotropic antidysrhythmic
Cardiac glycoside
What are some side effects from Digoxin (Lanoxin)?

***Bradycardia
***Nausea
DYSRHYTHMIAS
HYPOTENSION
AV BLOCK
Drowsiness
Apathy
Confusion
Bradycardia
What are some medication or food interactions with Digoxin (Lanoxin)?

GINSENG
May intensify or interfere with med
Proventil (Albuterol) is a Bronchodilator & Beta-Adrenergic Agonist, What are some side effects?
Tremor
Anxiety
Nervousness
Weakness
Hypertension
Muscle Cramps
What are some medication/food interactions with Proventil (Albuterol)?
EPINEPHRINE
OTHER SYMPATHOMIMETIC BRONCHODILATORS
MAOI INHIBITORS
TRICLIC
ANTIDEPRESSANT
BETA ADRENERGIC BLOCKERS
What are some nursing interventions for Proventil (Albuterol)?
Monitor for effectiveness
Signifigant improvement of pumonary function within 60-90 min
Signs & Symptoms of:
Tremors, Tachycardia, Hyperactivity, Pulse OX
What are some teachings you would do for Proventil (Albuterol)?
Review directions and proper administration
Avoid contact with eyes
Do not increase dosage
Notify if fails to provide relief
Causes vertigo & dizziness
Do not use OTC drugs(Cold Remedies)
Nitro-Dur (Nitroglycerin) is a Nitrate vasodilator & antianginal, what is it given for?
ANGINA
*Repeat every 5 minutes - No more than 3 times
What are some therapeutic uses for Nitro-Dur (Nitroglycerin)?
Decreases Peripheral in vascular resistance
Decreases blood pressure
Decreases Venous Return
What are some side effects of Nitro-Dur (Nitroglycerin)?
Headache
POSTURAL HYPOTENSION
CIRCULATORY COLLAPSE
What are some medication/food interactions with Nitro-Dur (Nitroglycerin)?
ALCOHOL
ANTIHYPERTENSIVE AGENTS
Heparin
What are some nursing interventions for Nitro-Dur (Nitroglycerin)?
CHECK BP EACH DOSE
Hold if BP is less than 100!!
What are some teachings for Nitro-Dur (Nitroglycerin)?
Store in original DARK container
Sit or lie down when taking, Relax 15-20 min after taking to prevent dizziness
Report if no relief is achieved or if an increase in frequency or severity (CALL EMS)
Keep records of attacks
Replace every 6 months
What lung sound is this…
Course Crackles
What lung sound is this?
Wheezing
What is this lung sound?
Rhonchi
What is this lung sound?
Rales