Exam 3: Heart Flashcards
What is systolic pressure?
Exerted when blood is ejected from ventricles
What is diastolic pressure?
Sustained pressure when ventricles relax
What alters BP?
CO, BV, PRTBF
Cardiac output, blood volume, and peripheral resistance to blood flow
What affects does ADH and aldosterone have on the heart?
Increases BP and increases blood volume
What affects does renin angiotensin have on the heart?
IVC
Increased vasoconstriction
What are the major factors that affect BP?
- vessel size
- compliance of the vessel
- circulating fluid volume
- blood viscosity
What are the defining characteristic of unstable angina?
- Chronic chest pain
What causes left sided pulmonary edema?
Left ventricular heart failure
What is an expected finding in clients with PAD
1+ pulse in the lower leg
What is primary hypertension (idiopathic hypertension)?
Strongly linked to enviormental factors with genetic link
What is secondary hypertension?
Results from another disease affecting the renal or endocrine system
What is hypertensive crisis?
Blood pressure over 180/120
What are risk factors for primary hypertension?
- age
- alcohol
- diabetes
- ethnicity
- gender family history
- hyperlipademia
- sedentary
- stress
- Tobacco
What is cardiac output?
Volume of blood pumped by the heart per minute
What is the cardiac output formula?
HR X SV
What is the relationship between CO and BP?
As CO increases, BP also increases
What is the function of troponin?
proteins that are released when the heart muscle has been damaged, such as occurs with a heart attack
What is peripheral artery disease (PAD)?
Obstruction of blood flow to the peripheral arteries
What is the etiology of peripheral artery disease (PAD)?
Atherosclerosis
What are risk factors for PAD?
Modifiable and non modifiable risk factors
What are the risk factors that are modifiable for PAD?
- smoking
-sedentary lifestyle - obesity
- dysrlipemdiemia
- HTN
- diabetes
What are the nonmodifiable risk factors for PAD?
- male
- increasing age
- family history of PAD
What are the clinical manifestation for PAD?
P, CR, CL, PARA, PAL, MA, CE, D/AP
- Pain, cramps, claudication, parathesia, pallor, muscular atrophy, cool extremities, decreased/ a set pulse
What is peripheral venous diasease?
Obstruction of the veins/ blood flow back to the heart
What are the risk factors for peripheral venous disease? (PVD)
- women
- obseity
-increased age - pregnancy
- sedentary lifestyle
What are the clinical manifestations of PVD?
P, C, G, E, FOH, tS, W/AP
- pain and cramps
- gangrene
- edema
- feeling of heaviness
- thinning skin
- weak or absent pulse
What is an pulmonary embolism?
Clot or other material lodges in the vessels of the lungs
What is a risk factor for venous thromboembolism?
Virchow’s triad
Hypercogulation
Stasis
Endothelial cancer
What is virchow’s triad?
S, HC, ED
Stasis
Hypecoagability endothelial damage
What is venous stasis?
Condition of slow blood flow in the veins
What causes venous stasis?
- immobility
- pregnancy
What causes hypercoagulation?
- clotting disorders
P smoking
-pregnancy - oral contraceptives
What is angina pectoris?
Chest pain
What are the different angina?
Stable/ unstable
What onsets stable angina?
It is gradual, occurs usually after exercise or stress, increased o2 demand
What is the onset of unstable angina?
Comes unexpectedly, without exertion
How is stable angina resolved?
Resolved with rest and vasodilators
How is unstable angina resolved?
Isnt’ relived by stress or vasodilators
How long does unstable angina last?
More than 15 minutes
How long does stable angina last?
Less than 15 minutes
What is hypovolemic shock?
Shock resulting from blood or fluid loss
What is pathophysiology of hypovolemic shock?
LCBV, LVR, LSV, LCO, LOL, LTP, IM
Low circulating blood volume
Low venous return
Low stroke volume
Low cardiac Output
Low O2
Low tissue perfusion
Impaired metabolism
What causes hypovolemic shock?
Hemorrhage
Dehydration
Burns
Blood loss
What happens to BP during hypovolemic shock?
100/150
Diastolic BP increases
What are the complications of right heart failure?
PE, RF, CD
- pleural effusion
- renal failure
- cardiac dysthymia’s
What are the symptoms of right sided heart failure?
PE, AB, JVD, A, HTN, A, EL/S
Pitting edema
abdominal distention
Anorexia
Hypo/ hypertension
Jugular vein distention
Ascites
Enlarged liver and spleen
What causes RSHF?
- left sided HF
- atrial/ ventricular septal deficit
- lung diseases
What is right sided heart failure?
Lungs
Decreased blood flow to the lungs then backs up into the inferior/ superior vena cava
What are the clinical manifestations of LSHF?
PE, D, T, DC, s3, F, o
- pulmonary edema
- dyspnea
- tachypnea
- dry cough
- tachycardia
- S3 and crackles
- oliguria
- Fatigue
What is LSHF?
Systemic
Low blood flow to the aorta and rest of the body
What is diastolic heart failure?
Ventricles can’t relax but still fill
What is systolic heart failure?
The heart can’t contract and eject
What are the non-modifiable risk factors for HTN?
- advanced aged
- biological male
- family history of HTN
- DM2
- AA or Hispanic heritage
What are the modifiable risk factors for HTN?
- sedentary lifestyle
-obseity - smoking
-excessive sodium/ alcohol consumption
-stress
What the complications of HTN?
MI, S, KD, VL, PAD
- Myocardial infarction
- stroke
-kidney disease - vision loss
- peripheral artery disease
What is afterload?
The amount of pressure the heart needs to work against to eject blood
What is the main complication of afterload?
Enlargement and thickening of the hurt muscles
What diagnostic test should be preformed on a pt diagnosed with HTN?
CBC, FG, TSH, KF, U, ECG, OE
CBC, fasting glucose, TSH, kidney function, urinalysis, ECG, and ophthalmic exam
What is the patho of HTN?
Vasoconstriction would lead to increased peripheral resistance which would link to sustained HTN
What is coronary artery disease?
Narrowing or obstruction of the coronary arteries
What is the etiology of coronary artery disease (CAD)?
Narrowing caused by atherosclerosis
What is atherosclerosis?
A buildup of plaque on the walls of the blood vessel
What are the nonmodifiable factors for CAD
HC, FH, M, BM
-History of hypercholesterolemia
- family history
- minorities
- biological male
What is a myocardial infarction?
Death of the cardiac muscles tissue due to prolonged ischemia ( lack of oxygenated blood)
What is the risk factor for MI?
A, G, DM, DL,HTN,FHMI, S,SL,HFD
- age ( 40 yrs and older)
- gender (male)
- diabetes mellitus
- dyslipidemia
- HTN
- family history of MI
- smoking
- sedentary lifestyle
-high fat diet
What is the etiology of MI?
Atherosclerosis
What causes a thrombus clot to form?
The plaque buildup in the coronary arteries rupture causing platelets to attach to the plaque forming a thrombus
What are the clinical manifestations of MI?
- severe chest pain
- dysrythmia
- dyspnea
- nausea
-vomiting
-fever - diaphoresis
- coolness and cyanosis of the extremities
What are the complications of MI?
A, CGS, P, HF, PMR, PE, CD
- arrthymias
- cardiogenic shock
- pericarditis
- heart failure
- papillary muscle rupture
- pulmonary edema
- cardiac death
How is MI diagnosed?
- ECGs
- troponin
- creatinine
- kinase
- isoenzymes (CK- MB)
What does elevated troponin I and T mean?
Cardiac injury
what does an elevated CK-MB mean?
Seeing if another infarction occurs before troponin levels have returned to normal.
What is the etiology of congestive heart failure?
Failures caused by abnormal fillings of the ventricles so the chambers don’t get fully loaded or stretched in the first place