Cardiovascular Flashcards
define ENDARTERIAL
pertaining to interior/lining of artery or within artery
define HEMATOPOIETIC
pertaining to formation of blood cells
hematopoietic is also called
hemopoietic
pericardium is also called
pericardial sac
epicardium is also called what
visceral pericardium
define P WAVE
stimulation/contraction of atria
define QRS COMPLEX
stimulation/contraction of ventricles
define T WAVE
recovery/relaxation of ventricles
define SYSTOLIC PRESSURE
max pressure during ventricular systole
define DIASTOLIC PRESSURE
pressure during ventricular diastole
define PLASMA
fluid w/nutrients, hormones, waste made 92% H2O & 8% proteins
define SERUM
plasma fluid after blood cells & clotting proteins removed
define FIBRINOGEN & PROTHROMBIN
clotting proteins in plasma
describe NEUTROPHILS
most common WBC; phagocyte
describe BASOPHILS
least common WBC; allergens
describe EOSINOPHILS
migrating WBC; parasites & allergens
describe LYMPHOCYTES
made in red bone marrow, spleen, & lymph nodes; identify foreign substances & germs; make antibodies
describe MONOCYTES
made in red bone marrow, spleen, & lymph nodes; phagocytosis (immunity)
define RH FACTOR
presence/absence of Rh antigen
define BLOOD GASSES
gasses (O2, CO2, & Nitrogen) dissolved in liquid blood
what does LDL stand for
low-density lipoprotein cholesterol/bad cholesterol
what does HDL stand for
high density lipoprotein cholesterol/good cholesterol
define HDL
carries unneeded cholesterol to liver for processing
define TRIGLYCERIDES
combo of fatty acids attached to glycerol & blood
define ATHEROMA
fatty deposit within wall of artery
define PALPITATION
pounding/racing heart
describe CONGENITAL HEART DEFECTS
structural abnormalities from failed heart develop.; most common birth defect
describe CORONARY ARTERY DISEASE
arteriostenosis –> reduced blood flow & O2 –> angina pectoris, myocardial infarction, death
coronary artery disease is also called
coronary heart disease or ischemic heart disease
angina is also called what
angina pectoris
define ANGINA
severe episodes of chest pain from poor blood flow to myocardium
define STABLE ANGINA
during exertion
define UNSTABLE ANGINA
happens anytime & precursor to MI
define MYOCARDIAL INFARCTION
occlusion of at least 1 coronary artery from plaque
describe HEART FAILURE
heart weakened/damaged –> unable to pump –> congestion/fluid build up
describe CONGESTIVE HEART FAILURE
fluid congestion –> edema & pulmonary edema
cause: congestive heart failure
decreased blood flow from heart
s/s: congestive heart failure
weakness, breathlessness, abdominal discomfort, edema in lower extremeties
left-sided heart failure is also called
systolic/diastolic failure (depends on whether pumping or relaxing is affected)
define RIGHT-SIDED HEART FAILURE
generally from left-sided heart failure so unable to pump to body efficiently
s/s: right-sided heart failure
edema in feet, legs, liver, GI, & arms
define CARDIOMEGALY
enlargement of heart associated w/heart failure to compensate for decreased pumping
infective endocarditis is also called
bacterial endocarditis
define INFECTION ENDOCARDITIS
inflammation of lining/valves of heart from bacteria in blood
define MYOCARDITIS
rare complication of viral infection
describe PERICARDITIS
inflammation –> accumulation of fluid in pericardial sac restricts movement & decreases pumping
define CARDIOMYOPATHY
all diseases of heart muscle
define HEART MURMUR
blowing/clicking/whoosh from heart/ near vessels when valves don’t completely close
define MITRAL VALVE PROLAPSE
protrusion of heart valve so valve can’t close completely
define VALVULAR STENOSIS
narrowing/stiffening/thickening/blockage of at least 1 valve
heart valve disease is also known as
valvular heart disease
define HEART VALVE DISEASE
degenerative condition prevent valves from opening & closing properly
s/s: heart valve disease
fatigue, shortness of breath, & lightheadedness
describe AORTIC STENOSIS
buildup of calcium & fat deposits in aortic valve –> narrowing so can’t open fully
describe MITRAL VALVE REGURGITATION
mitral valve doesn’t close tightly –> retrograde flow
mitral valve regurgitation is also called
insufficiency/incompetence
define ARRHYTHMIA
loss of normal heart rhythm bc of abnormal electrical conduction
describe ASYSTOLE
complete lack of electrical activity in heart; 1 condition required for certifying death
asystole is also called what
flat line
define CARDIAC ARREST
heart stops beating/arrhythmia prevents efficient blood pumping
define HEART BLOCK
congenital/acquired arrhythmia
cause: heart block
electrical signal thru heart partially/completely blocked from getting to ventricles
define SUPRAVENTRICULAR TACHYCARDIA
episodes of very rapid & regular heart beats/from above AV node that begins & ends abruptly
supraventricular tachycardia is also called
paroxysma supraventricular tachycardia
describe VENTRICULAR TACHYCARDIA
very rapid heart from in ventricles –> can’t pump adequately
define LONG QT SYNDROME
inherited/acquired condition of fast, chaotic, potentially dangerous arrhythmias
define FIBRILLATION
potentially fatal, fast & irregular heartbeat of rapid & spontaneous contractions of atria/ventricles
describe ATRIAL FIBRILLATION
most common type of tachycardia; rapid, uncontrolled, twitching of heart wall –> irregular & quivering atria
describe VENTRICULAR FIBRILLATION
rapid, irregular, & useless contractions of ventricles
define VASCULITIS
inflammation of blood vessel
temporal arteritis is also called
giant cell arteritis
define TEMPORARL ARTERITIS
inflammation of temporal arteries
s/s: temporal arteriits
headaches, double vision, jaw pain, stroke, unilateral/bilateral blindness
define HEMANGIOMA
benign tumor made of new blood vessels
define HYPOPERFUSION
deficiency of blood passing thru organ/part
define ANEURYSM
localized weak spot/ballooning of artery wall
carotid artery stenosis is also called what
arteriostenosis
define CHRONIC VENOUS INSUFFICIENCY
inadequate venous circulation from partial blockage/leakage of valves generally in feet & ankles leading to discoloration
chronic venous insufficiency (CVI) is also called what
venous insufficiency
define VARICOSE VEINS
abnormally swollen veins in superficial veins bc of valve failure
define THROMBOTIC OCCLUSION
blocking of artery by thrombus
define CORONARY THROMBOSIS
damage to heart from thrombus
define VENOUS THROMBOEMBOLISM (VTE)
thrombus from vein break & travel
define DEEP VEIN THROMBOSIS (DVT)
thrombus attach to interior wall of vein
describe PERIPHERAL VASCULAR DISEASES (PVD)
blood vessel disorders outside brain & heart; generally the narrowing of vessels to leg/arms/gastric/renal
describe PERIPHERAL ARTERIAL DISEASE (PAD)
PVD from arteriostenosis; common & serious w/intermittent calf pain (claudication) w/activity
peripheral arterial disease is also called
peripheral arterial occlusive disease
describe GANGRENE
tissue death from shortage of blood most common in ppl w/PAD affecting fingers, toes, & limbs; can lead to sepsis
define RAYNAUD’S DISEASE
PAD intermittent attacks from cold temps/stress –> constricted circulation
define BLOOD DYSCARSIA
any pathological condition of cell elements of blood
define HEMOCHROMATOSIS
genetic disorder where too much iron is absorbed & accumulates in organs leading to damage
hemochromatosis is also called
iron overload disease
define POLYCYTHEMIA
cancer w/abnormally high # of RBCs
define SEPSIS
organ damage from chemicals from blood trigger inflammatory response
sepsis is also called
septicemia
cause: sepsis
bacteria/infectious organisms in blood
define THROMBOCYTOSIS
abnormally high # of platelets
define TRANSFUSION REACTION
transfusion w/incompatible blood types
define HYPERLIPIDEMA
high levels of cholesterol & other fatty substances
describe MYELODYSPLASTIC SYNDROME
cancer w/not enough of at least 1 type of blood cells; patients can later get acute myeloid leukemia
define LEUKEMIA
cancer w/progressive increase in abnormal WBC in blood-forming tissues, organs, & blood
define APLASTIC ANEMIA
no formed elements (leukopenia & thrombocytopenia)
describe IRON DEFICIENCY ANEMIA
most common; not enough iron to make hemoglobin
cause: iron-deficiency anemia
blood loss, poor iron absorption, inadequate iron intake
describe MEGALOBLASTIC ANEMIA
blood disorder w/symptom of anemia; RBCs bigger than normal
cause: megaloblastic anemia
deficiency of folic acid/vitamin B12
describe PERNICIOUS ANEMIA
lack protein intrinsic factor to absorb vitamin B12 –> vitamin B12 deficiency
define HEMOLYTIC ANEMIA
inherited/acquired; not enough RBCs bc spleen destroying them too early
describe SICKLE CELL ANEMIA
inherited & recessive; RBCs malformed after giving up O2 –> lose flexibility & surface area for gas exchange
describe THALASSEMIA
inherited & common around Mediterrarian; mild/severe from low hemoglobin & RBCs
thalassemia is also called
Cooley’s anemia
define ORTHOSTATIC HYPOTENSION
hypotension when standing
orthostatic hypotension is also called
postural hypotension
define FLUTTER/ATRIAL FLUTTER
atria beats faster than ventricles –> quivering
define PREMATURE VENTRICULAR CONTRACTIONS
extra, abnormal heartbeats that disrupt regular ventricular rhythm
define CARDIAC TAMPONADE
excess fluid in pericardium
define EDEMATOUS
swelling often associated w/insufficient function of LV
s/s: shock
agitation, anxiety, restlessness, confusion, cool/pale/clammy skin, cyanosis, chest pain, dizziness, lightheadedness
define SHOCK
peripheral blood flow insufficient to return to heart
define ANGIOGRAPHY
x-ray of blood vessels w/contrast
describe CARDIAC CATHETERIZATION (card cath/CC)
diagnostic & treatment; catheter in vein/artery to heart for angiographies, angioplasties, pressure readings, or take samples
define DUPLEX ULTRASOUND
capture blood vessels & flow of blood
define VENOGRAPHY
shows specific veins w/contrast
define ELECTROCARDIOGRAPHY (EKG/ECG)
records electrical activity of myocardium
define HOLTER MONITOR
portable ECG on ambulatory patient over 24-48 hr period to diagnose arrhythmia
define STRESS TEST
see cardiovascular health & function while on treadmill/injected with meds to increase bpm
define THALLIUM STRESS TEST
how well blood flows thru coronary arteries during exercise
describe DOPPLER SONOGRAPHY/DOPPLER ULTRASOUND
measure blood flow & BP; sound waves bounce off RBCs
define ECHOCARDIOGRAM
ultrasound visualize internal structure
echocardiogram is also called
multigated acquisition (MUGA) scan
define APHERESIS
separate blood into components to remove toxic substances/autoantibodies or harvest blood cells
define COMPLETE BLOOD COUNT
determine # of formed elements including hematocrit & WBC differential
define TYPE & CROSSMATCH
check blood type compatibility
define NUCLEAR VENTRICULOGRAPHY
tracer injected to make images of LV & RV to measure volume of blood pumped by ventricles
define POSITION EMISSION TOMOGRAPHY SCAN
tracer look for disease/poor blood flow in heart or brain
what can diagnose heart damage, scar tissue, CVA, Alzheimer’s & epilepsy
PET scan
define ANTIPHYPERTENSIVE
lower BP
define ACE INHIBITOR
blocks action of angiotensin II contracting blood vessel to treat hypertension & heart failure
ACE inhibitor is also known as
angiotensin-converting enzyme
describe BETA BLOCKER
decrease workload of heart by slowing bpm; treats hypertension, angina, heart failure, heart rhythm disorders, migraines, panic attacks, & tremors
describe CALCIUM CHANNEL BLOCKERS
heart & blood vessels dilate –> increase O2 & blood & lowers calcium movement into cells of heart & vessels making it easier to pump blood; treat hypertension & angina
define DIURETIC
substance stimulate kidneys to get rid of excess Na & H2O; treat hypertension & heart failure
define ANTIARRHYTHMIC
medication to control irregular bpm
anticoagulants are also called what
blood thinners
describe COUMADIN
brand name for warfarin; treat clotting difficulties, certain pm irregularities, after heart attack/heart valve replacement surgery
define HEPARIN
faster version of Coumadin given via injection/IV
define ASPIRIN
reduce heart attack/stroke by thinning blood
define CHOLESTEROL-LOWERING DRUG
combat hyperlipidemia by lower LDL
describe DIGITALIS
strengthen heart contraction, slow bpm, help eliminate fluid from tissue; treat & prevent certain arrhythmias & heart conditions; available as digoxin
define THROMBOLYTIC
dissolves/breaks thrombus
thrombolytic is also called what
clot busting drug
define TISSUE PLASMINOGEN ACTIVATO (tPA)
thrombolytic for heart attack/stroke
define VASOCONSTRICTOR
blood vessels narrow (antihistamines & decongestants)
define NITROGLYCERIN
vasodilator to prevent/relieve angina pain & dilate vessels to brain
define ANGIOPLASTY
mechanically widening vessel
define BALLOON ANGIOPLASTY
balloon on catheter stretching lumen
balloon angioplasty is also called what
percutaneous transluminal coronary angioplasty (PTCA)
describe LASER ANGIOPLASTY
laser on end of catheter; done before PTCA or separately
define STENT
mesh tube after artery opened
define RESTENOSIS
artery opened by angioplasty reclosed
define ATHERECTOMY
surgical removal of plaque
define CAROTID ENDARTERECTOMY
surgical removal of lining/plaque of clogged carotid artery; reduce stroke risk
describe CORONARY ARTERY BYPASS GRAFT (CABG)
most common types of open heart surgery; vein from leg/chest replace blocked artery
define SYNCHRONIZED CARDIOVERSION
similar to defibrillation but lower voltage & non-emergency to relieve arrhythmia
define IMPLANTABLE CARDIOVERTER-DEFIBRILLATOR (ICD)
internal double action pacemaker to prevent bradycardia
define PACEMAKER
treat arrhythmia externally or internally
define CARDIAC ABLATION
heat/extreme cold scar/destroy heart tissue trigger poor rhythm
cardiac ablation is also called what
catheter ablation
define VALVULOPLASTY
surgical repair of heart valve w/narrow opening
valvuloplasty is also called what
balloon valvuloplasty
define HEART VALVE REPLACEMENT
replace valve (gen aortic/mitral) w mechanical/animal/human transplant
describe TRANSCATHETER AORTIC VALVE REPLACMENT (TAVR)
minimally invasive; catheter deliver good valve within defective valve
define ANEURYSM CLIPPING
isolate aneurysm w/permanent clip
define PLASMAPHERESIS
remove all blood & cellular elements to collect plasma
define HEMOSTASIS
stop/control bleeding
define ENARTERECTOMY
remove plaque from lining of artery
define PTCA
opens blocked coronary arteries w/balloon & stent gen done during diagnostic cardiac catheterization
PTCA is also known as
percutaneous transluminal coronary angioplasty
define TELEMETRY NURSE
specialize in tech to track vitals