Chapter 49 EKG

Fifth intercostal space, midway between v4 and v6

The waves of electrical impulse responsible for the cardiac cycle produce a series of waves and lines on

Hep the doctor evaluate ventilatory function of the lungs and chest wall

Is the release of electrical energy within the cells of the heart much like a flash of a camera

It has a negative charge inside and a positive charge outside

depolarization flows from the SA node through the electrical conduction system to the ventricles and …

Defections are labeled with letters

Test used to measure breathing capacity

May performed on patient who has had surgery or myocardial infarction to determine how the heart is functioning

An instrument that measures and displays these impulses

Is always followed by a period of electrical recovery called repolarization is …

Used to monitor certain respiratory disorders and to evaluate effectiveness of treatment

What interference has erratic spikes and shifting baseline?

If there is interference in leads i and leads iii

Measures the air taken in by and expelled from the lungs

Uses ultrasound to view the heart in motion is

Patients who experience intermittent chest pain or discomfort may have a ….

Condition of having two separate poles, one of which is positive and negative.

Measurement related to lung volume and capacity can be made of ….?

Echocardiography is done before and after exercise or injection of a drug that makes the heart work faster and harder.

Before running the EKG remind the patient to….?

Exercise electrocardiography more commonly known as ……?

Greatest volume of air that can be expelled when a person performs rapid forced expiration.

Fourth intercostal space between the ribs to the right of the sternum(breastbone)

A common type of ambulatory monitor often called…?

Dysrhythmias also known as

Improper technique, poor conduction, outside electrical interference and improper handling of tracing fan

If there is interference in leads i and leads ii on tracing

Chronic obstructive pulmonary disease( COPD)

Records transmission, magnitude( size), and duration of the hearts various electrical impulses

Fourth intercostal space to the left of the sternum

Placing the limb electrodes closer to the body’s trunk on the upper arms, close to shoulder and on upper thighs

Uses a special type of ultrasound to look at blood flow through the heart

Requires the standardized measuring instrument is called

Used to monitor conditions such as asthma, certain allergies, cystic fibrosis, COPD.

Should be calibrated each day they are used to ensure accurate readings.

Similar to bar magnet with one end north and south, a resting cell is ….

A measurement taken to determine the amount of air that can be quickly forced from the lungs.

These peaks and valleys called waves or

If there is interference in leads ii and iii

Fifth intercostal space, midway between V2 and V4

When the electrocardiography is made, instruct the patient to….?

Fifth intercostal space, on the left mid axillary line or armpit

Common atrial dysrhythmia that causes chaotic, rapid, multiple electrical signals

Correct placement of electrodes is necessary for ….?

Often used to d determine the effectiveness of certain medications a patient is taking

Fifth intercostal space, on the left midclavicular line or intersects an imaginary line drawn straight down of clavicle

Patient who undergoes stress testing is often suspected of having a …….?

The ultrasound transducer is moved around on the chest /abdomen to produce heart images

After placing the electrodes attach the wires that connect the electrodes to the ……?

The transducer is passed into the esophagus where it produces clearer image of the heart

It can be used to evaluate the status of a patient who is recovering from myocardiac infarction

During repolarization the cardiac myocytes are resting and rebuilding the electrical energy that was ….