Med. Term Ch. 5 Cardiovascular System (Week 3) Flashcards
Arteries
Large blood vessels that carry oxygenated blood away from the heart
Capillaries
Microscopic blood vessels joining arteriolar and venules
Congenital
Pertaining to presence of a disorder at the time of birth which may result from genetic or environmental causes
Metabolism
Some of all physical and chemical changes that take place within an organism
Veins
Vessels that return deoxygenated blood to the heart
Cardiology
Focuses on medical surgical and therapeutic treatments of heart diseases
What are the three types of cardiology specialist?
- cardiologists
- pediatric cardiologist
- cardiac surgeons
12 surgeries performed by cardiac surgeons (Spackman p1125)
- angioplasty
- stenting
- Atherectomy
- CABG
- Minimnal invasive bypass surgery
- transmyocardial revascularization
- Valve replacement
- Radio frequency or catheter ablation
- LVAD
- defibrillator/pacemaker
- Cardiomyoplasty
- heart transplant
Cardiovascular (CV) system is composed of
The heart and extensive network of blood vessels
The main purpose of the circulatory system is to
Deliver oxygen, nutrients and other essential body substances to body cells and remove waste products of cellular metabolism
A contraction is known as
Systole
The resting period Between contractions when the heart fills with blood is known as
Diastole
Aneurysm/o
Widening, widened blood vessel
Aneurysmectomy
Excision of an aneurysm;to repair a weak area and they order that is likely to rupture if left in place
Aort/o
Aorta
Aortostenosis
Narrowing of the aorta
Arter/o
Arteri/o
Artery
Arteritis
Inflammation of the artery
Arteriosclerosis
Thickening, hardening and loss of elasticity of arterial walls; also called hardening of the arteries
Ather/o
Fatty plaque
Atheroma
Accumulation of degenerative material in the inner layer of artery walls. The material consists debris containing lipids calcium and variable amounts of fibrous connective tissue
Atri/o
Atrium
Atrium
To upper cavities of the heart from which blood is passed to the ventricles. The right atrium receives deoxygenated blood from the veins of the body and the left atrium receives oxygenated blood from the pulmonary vein
Cardi/o
Heart
Cardiomegaly
Enlargement of the heart
Coron/o
Heart
Coronary
Pertaining to the heart
Phleb/o
Vein
Phlebitis
Inflammation of the veins
Ven/o
Vein
Venous
Pertaining to the vein
Thromb/o
Blood clot
Thrombolysis
Destruction of blood clots
Varic/o
Dilated vein
Varicose
Pertaining to dilated veins
Vas/o
Vessel; vast deferens ; duct
Vasospasm
Involuntary contractions of the vessel
Vascul/o
Vessel
Vascular
Pertaining to vessels
Ventricul/o
Ventricle (of the heart or brain)
Interventricular
Pertaining to the area in between ventricles
-cardia
Heart condition
Tachycardia
Abnormally rapid heart rate
-gram
Record, writing
Electrocardiogram
Record of electrical activity of the heart
-graph
Instrument for recording
Electrocardiograph
Instrument for recording electrical activity of the heart
-graphy
Process of recording
Angiography
Process of recording images of the lumen of blood vessels
-stenosis
Narrowing, stricture
Brady-
Slow
Bradycardiac
Pertaining to the slow heart rate
Endo-
In, within
Endocardium
Structure with in the heart
Epi-
Above, upon
Epicardium
Structure above the heart
Peri-
Around
Pericardium
Structure around the heart
Angioplasty
Surgical procedure that opens a blocked artery by inflating a small balloon within a catheter to widen and restore blood flow in the artery
Aneurysm
Abnormal widening or ballooning of a portion of an artery as a result of weakness in its wall, or it may be present at birth(congenital)- The larger the aneurysm becomes, the greater the risk of rupture
Angina pectoris
Mild to severe pain or pressure in the chest caused by ischemia also called angina
Fusiform aneurysm
Dilation of the entire circumference of the artery
Saccular aneurysm
Bulging on one side of the artery wall
Dissecting aneurysm
Tear (dissection) in the wall of an artery because of bleeding into the weakened wall, which splits the wall (more common in the aorta)
Arrhythmia
Irregularity or loss of rhythm of the heart beat also called dysrhythmia
Fibrillation
Arrhythmia in which there is rapid uncoordinated quivering of the Myocardium that can affect the atria or ventricles; usually described by part that is contracting abnormally, such as atrial fibrillation or ventricular fibrillation
Atherosclerosis
Most common form of arteriosclerosis caused by accumulation of fatty substances within the arterial walls resulting in partial and eventually total blockage
Bruit
Soft blowing sound heard on auscultation caused by turbulent bloodflow
Embolus
Mass of undissolved matter (commonly a blood clot, fatty plaque or air bubble) that travels through the bloodstream and becomes lodged in a blood vessel
Heart block
Disease of the electrical system of the heart which controls activity of heart muscle
Heart block first-degree
Atrioventricular (AV) block in which atrial electrical impulses are delayed by a fraction of a second before being conducted to the ventricles
Heart block second-degree
AV block in which only some atrial electrical impulses are conducted to the ventricles
Heart block third-degree
AV block in which no electrical impulses reach the ventricles also called complete heart block CHB
Heart failure HF
Occurs when the heart is unable to pump enough blood flow to meet the needs of the body and can cause a number of symptoms such as shortness of breath, led swelling and exercise intolerance
Hypertension HTN
Consistently elevated blood pressure causing damage to the blood vessels and ultimately the heart
Ischemia
Inadequate supply of oxygenated blood to a body part as a result of an interruption of blood flow
Mitral valve prolapse MVP
Structural abnormality in which the mitral (bicuspid) valve does not close completely resulting in a backflow of blood into the left atrium with each contraction
Murmur
Abnormal sound heard on auscultation caused by defects in the valves or chambers of the heart
Myocardial infarction MI
Necrosis Of a portion of cardiac muscle caused by partial or complete occlusion of one or more coronary artery’s also called heart attack
Patent ductus arteriosus
PDA
Failure of the ductus arteriosus (which connects the pulmonary artery to the aortic arc in a fetus) to close after birth, resulting in abnormal opening between the pulmonary artery and the aorta
Raynaud disease
Severe sudden vasoconstriction and spasm in fingers and toes folllowed by cyanosis after exposure to cold temperature or emotional stress also called Raynaud phenomenon
Rheumatic heart disease
Streptococcal infection that causes damage to the heart valves and heart muscle, most commonly in children and young adults
Stroke
Damaged part of the brain as a result of interruption of its blood supply caused by bleeding within brain tissue or more commonly blockage of an artery; also called cerebrovascular accident CVA
Thrombus
A stationary blood clot formed within a blood vessel or within the heart commonly causing vascular obstruction also called blood clot
Deep vein thrombosis (DVT)
Formation of a blood clot in a deep vein of the body occurring most commonly in the lower leg
Transient ischemic attack (TIA)
Blood supply to part of the brain is briefly interrupted but does not cause permanent brain damage and may be a warning sign of a more serious or debilitating stroke in the future; also called mini stroke
Cardiac catheterization
Insertion of a small tube, catheter ,through an incision into a large vein, usually of an arm (brachial approach) or leg (femoral approach) which is threaded through a blood vessel until it reaches the heart
Cardiac enzyme studies
Battery of blood tests performed to determine the presence of cardiac damage
Doppler ultrasonography
Ultrasound technique that records blood flow velocity (speed) to image major blood vessels to detect obstructions caused by atherosclerotic plaques in patients at risk for stroke
Echocardiography (ECHO)
Ultrasound technique used to image the heart and evaluate how the heart’s chambers and the valves are working and to diagnose and detect pathological conditions
Electrocardiography
ECG EKG
Creation and study of graphic recordings (electrocardiograms) produced by electrical activity generated by the heart muscle; also called cardiography
Holter monitor
Monitoring device worn by a patient that records prolonged electrocardiograph readings (usually 24 hours), on a portable tape recorder while the patient conducts normal daily activities
Stress test
EKG taken under controlled exercise stress conditions (typically using a treadmill) while measuring oxygen consumption
Nuclear stress test
ECG that uses a radioisotope to evaluate coronary bloodflow
Troponin I
Blood test that measures protein released into the blood by damaged heart muscle(not skeletal muscle). And is a highly sensitive specific indicator of recent myocardial infarction MI
Angioplasty
Surgery that opens a blocked artery by inflating a small balloon with a catheter to widen it to restore blood flow in the artery
Cardioversion
Restoration of normal heart rhythm by applying and electrical countershock to the chest using a device also called defibrillation
Coronary artery bypass graft (CABG)
Bypass surgery in which peripheral veins are removed, and each end of the vein is sutured onto the coronary artery to create new routes around narrowed and blocked arteries, allowing sufficient blood flow to deliver oxygen and nutrients to the heart muscle
Defibrillator
Device used to administer defibrillating electrical shock to restore normal heart rythm
Automatic implantable cardioverter-defibrillator (ACID)
Surgically implanted electrical device that continuously monitors and corrects potentially fatal arrhythmia by delivering low-energy shocks to the heart; also called implantable cardioverter defibrillator (ICD)
Automatic external defibrillator (AED)
Portable computerized device that analyzes the patient’s heart rhythm and delivers an electrical shock to simulate a heart in cardiac arrest
Endarterectomy
Surgical removal of the lining of an artery
Carotid endarterectomy
Removal of arthrosclerosis, and thromboses from an occluded carotid artery to reduce the risk of stroke
Endovenous laser therapy (EVLT)
Treatment of large varicose veins in the legs in which a laser fiber is inserted directly into the affected vein to heat the lining within the vein, causing it to collapse, shrink, and eventually disappear; also called endovenous laser ablation (EVLA)
Sclerotherapy
Chemical injection into a varicose vein that causes inflammation and formation of fibrous tissue, which closes the vein
Valvuloplasty
Insertion of a balloon catheter in a blood vessel in the groin through the aorta and into the heart to widen a stenotic (stiffened) heart valve and increase blood flow; also called percutaneous valvuloplasty
Anticoagulants
Prevent clotting or coagulation of blood
Beta blockers
Slow the heart rate and reduce the force with which the heart muscle contracts, lowering blood pressure
Nitrates
Relieve just change associated with angina and ease symptoms of heart(HF)
Satins
Reduce cholesterol levels in the blood and black production of an enzyme in the liver that produce cholesterol
Thrombolytics
Dissolve (lyse) blood clots in a process known as thrombolysis
AAA
Abdominal aortic aneurysm
AED
Automatic external defibrillator
AICD
Automated implantable cardioverter-defibrillator
ASHD
Arteriosclerotic heart disease
BP
Blood pressure
CABG
Coronary artery bypass graft
CAD
Coronary artery disease
CT
Computed tomography
CV
Cardiovascular
CVA
Cerebrovascular accident; costovertebral angle
EVLT
Endovenous laser therapy; endoluminal laser therapy
HDL
High-density lipoprotein
HF
Heart failure
HTN
Hypertension
ICD
Implantable cardioverter-difribrillator
MI
Myocardial infarction
MVP
Mitral valve prolapse
PDA
Patent ductus arteriosus
TIA
Transient ischemic attack
US
Ultrasound, ultrasonography
Coranary Artery Disease (CAD)
narrowing of the coronary arteries that results in failure of the arteries to deliver an adequate supply of oxygenated blood to the myocardium
myocardium
heart muscle
arteriostenosis
narrowing of the arterial walls
What causes arteriostenosis?
artherosclerosis
CAD causes the ordinarily ___ ___ of the artery to become roughened as the ___ __ collects in the artery
smooth lining
atherosclerotic plaque
Artherosclerotic plaque causes partial and, eventually, total blockage of the artery called an ____
occlusion
_____ is a condition that occurs when there is a decreased supply of oxygenated blood to the myocardium
ischemia
A total or almost total occlusioin causes what to die?
myocardium
When myocardium dies it causes_____
a myocardial infarction (MI)
CAD can be surgically treated by these 2 surgeries
- angioplasty
2. CABG
What forms as a localized dilation of the abdominal aorta exceeding its normal diameter by more than 50%?
AAA - Abdominal aortic aneurysm
80-90% of all AAA ruptures result in
Death
Symptoms of an AAA
usually none
AAA is diagnosed by
xray or CT scan performed for an evaluation of ANOTHER condition
Large AAA require repairing the aneurysm with
synthetic graft or a stent-graft
varicose veins are also known as
varicosities
Varicose veins are caused by
dilated veins due to long periods of pressure that prevents complete closure of the valves
Incompetent valves
do not close all the way
Varicose veins
enlarged, twisted superficial veins
Symptoms of varicose veins (3)
- aching
- feeling fatigue
- skin changes
blood pooling in varicose veins puts a person at risk for
thrombosis
Risk factors for varicose veins (4)
prolonged standing
prolonged sitting
pregnancy
family hx
Treatments of varicose veins (3)
sclerotherapy
EVLA of the greater saphenous veins in the legs
microphlebectomies of the lesser saphenos veins