Question | Answer |
A U wave usually occurs | When Patient has Low K+ |
The QRS Complex occurs | When Ventricles contract |
On the EKG Machine | The Standards checks the voltage that the instrument is using |
The Hearts has Four Valves made up from | Endocardium |
The blood leaves the heart | though the pulmonic and aortic valves. Called Semi lunar Valves |
Where does the blood return to the heart from the body? | It enter the right Atrium |
Where does the Superior Vena Cava gets it blood from? | From the head , neck and upper extremities |
What is the inter most layer of the Heart? | Endocardium |
Congestive Heart Failure (CHF) | A condition when the heart, for what ever reason cannot meet the demands of the body. The body compensates in 3 ways |
What are the two entrance Valves of the Heart? | Tricusip and Bicuspid Valves |
What are the Semilunar Valves ? | Pulmonic and Aortic Valves |
Pericardium | The Fibrous outer fluid layer that covers the heart & separate it from the Chest Cavity |
P Wave | The contraction of the atrium |
QRS complex | The contraction of the Ventricles |
T Wave | The relaxation of the Ventricles |
U Wave | Not always seen But represents Low Potassium (K+) |
What is The Right and Left Atria known as? | Receiving Chambers |
What Valve does the blood go threw from the left atrium to the left ventricle? | The mitral valve |
The only way to Oxygenenate the blood is through..... | the Alveoli and Capillaries in the lings |
What separate the right and left side of the heart? | is the Septum |
What is the speed that the EKG is normally run? | 25 mm/sec |
What is the ground Color? | green |
What is the diameter of the Coronary Arties? | 1/8 inch |
Another name for Bicuspid valve? | Mitral Valve |
What is the purpose of the Gel on the Electrode? | To Conduct Electricity |
Where does the Myocardium get nourishment from? | The Coronary Arteries |
What happen if the blood supplies dies Myocardium? | The blood supply dies |
What is the thickest layer of the Heart? | Myocardium |
What is the size of the Heart? | The size of your Fist |
Blood returns to the heart.... | inferior and superior vena cava |
From the Inferior Vena Cava brings blood from.. | below the diaphram |
The Superior Vena Cava gets blood from... | the head and upper extremities |
What does the Pulmonary Veins function? | Carries High Oxygen blood; comes from the lungs and returns blood back to the left Atrium for circulation to body organs and cells. |
The term for Rapid Heart Beat? | Tachycardium |
Coronary Insufficiency ? | The Right and left coronary arteries supply blood to the heart. Flow is considered insufficient if it can not meet the needs of the heart |
What is the purpose of the conduction system? | is to initiate the heart beat and regulate the cardiac cycle |
Eptopic | is a adjective to a event or tissue occurring at a place other than normal location. Ectopic heart beats are generated from impulse originating some other place than the SA node |
Where is the SA node located | Upper Wall of the right Atrium |
What is the SA node Function | To generate the stimulus to make the heart beat |
Systole | The heart is contracting |
When the Patient heart beat slow they can suffer from.... | Syncope |
The heart is located | In the mediastium |
what is the function of the heart? | To pump sufficient amounts of blood to all of the cells in the body |
When does the U wave usually appear? | After the T wave |
What does Ischemia mean? | is reduced (ish) blood (emia). A condition of inadequate blood flow to a tissue. Ischemia to the heart can cause angina, and if present long enough, infarction. |
What are the Chest leads called? | Percordial leads |
The right leg electrodes show no cardiac information.. | and serves as a ground |
What could a broken cable wire cause.... | a wondering base line |
Mediastinum | is the space between the lungs in the chest cavity: hold the heart and other respiratory units |
Electrodes are plates for.... | that come between the patient and the current |
Where do the Augmented aVR leads go? | To the right Arm |
When the Myocardium is Stimulated ... | It contracts |
What is the Myocardium made of? | Muscle |
If a patient has there right arm amputated above the elbow where do you put the leads? | You put the leads on the upper part of the arm. |
If patient has amputation where do you put the leads? | The important thing is to put the leads the same corresponding location. |
Pulmonary Artery | is the artery that carries low oxygen blood:leaves the right ventricle and goes to the heart |
Normal Sinus Rhythm rate is | 60-100 beats per min-> each complex and normal in appearance |
Bradycardia means | the heart rate is below 60 beats per min |
Sinus Arrhythmia | can be cause by changes in Breathing |
Asystole | Is a flat line, associated with dealth |
Pulmonary Circulation | Circulation that goes to the heart's right atrium to the lungs where it is oxygenated and releases built up carbon dioxide |
If the heart bear fires ectopically means... | the stimulus to generate the heart beat does not occur in the SA Node |
Chordae Tendinea Means | Holds heart valve in place |
What is the faulty action valve closed? | heart murmur |
When a patient feel heart pain | due to an inadequate blood flow t the heart |
What is a MI | Myocardial infarct and occurs when the mycardial tissue suffer death to the area because of insufficient blood flow |
What is the difference between Agonal and Assystole on an EKG | Asystole is flat line, while Agonal is less than 20 beats per min |
How do you calculate the heart rate? on a ekg strip | Counting the complete complexes in 3, or 6 sec and multiply by 20 or 10 |
Electrocardiogram | is the recording or tracing of the EKG |
What is the Cardiac cycle? | is the beginning of the beat until the beginning of the next beat. |
How many leads are on EKG? | 10 are use 12 Lead EKG tracing |
What does the T wave | relaxation of the ventricles |
What is one major cause of Heart failure? | High Blood Pressure |
QRST Complex represents | one entire cardiac cycle |
What does the Apex of the heart shape liked? | pointed at the bottom of the heart |
Where does the Apex lies | On the Diaphragm |
Where does the Pulmonary veins goes too? | To the Left Atrium |
What encloses the Heart | Pericardial Sac |
What is Repolarization | is the relaxation phase" the process of recharging depolarized cells back to their "Ready" (Polarized) state" |
What is Depolarization | is Contraction Phase |
Which Chamber is the largest | Left Ventricle |
Why is the left Ventricle largest chamber? | because it has a job to pump the blood out of the chamber by contracting |
When the heart chambers empties during what Phase? | Systolic Phase (Contraction) |
What are the Major cause Atherosclerosis? | Build up of fat deposits on the walls of the Arteries |
Where does the aVF lead goes? | Left Leg |
What is Angina ? | Is heart pain from lack of circulation to coronary arteries |
Why does the heart rate go down to 40-60 beat per Minute? | the impulse is usually generated in the Av Node |
Diastolic Phase | The Bottom number in the Blood Pressure |
What does each small square represents? | .04 per second |
Tricuspid Valve | Located between the right atrium and left Ventricle. As the name it has three cusps |
Mitral Valve | Located between the left atrium and the left ventricle. It has two cusps |
The Conduction System of the Heart | 1. Sinoatrail (SA)node 2. Artrioventricular (AV) Node 3. Atrioventricula (AV) 4.Right&Left Bundle Branches 5. Purkinje fiber |
Endocardium | inner layer of the heart |
Myocardium | Muscular layer of the heart |
Epicardium | is the outer layer of the Heart |
Pericardium | is the outer sac surrounding the heart from the rest of the chest cavity |
Electrocardiograph | is the instrument used for recording the heart activity |
P wave | Atrial contraction |
Another name for Leads aVF, aVL, aVR | Augmented |