ECG MONITORING

Question 1

ECG/EKG

Answer 1

RECORD OF THE HEART’S ELECTRICAL ACTIVITY, BUT SAYS NOTHING ABOUT THE MECHANICAL PUMPING ABILITY OF THE HEART

Question 2

THREE TYPES OF ECG MONITORING LEADS

Answer 2

BIPOLAR, SEGMENTED, AND PRECORDIAL

Question 3

P WAVE IS INVERTED IN LEAD

Answer 3

AVR

Question 4

P WAVE IS UPRIGHT IN LEAD

Answer 4

I, II, III, AND AVF

Question 5

P WAVE AMPLITUDE IS GREATEST IN LEAD

Answer 5

II

Question 6

ONE SMALL BOX

Answer 6

0.04 SEC

Question 7

1 LARGE BOX

Answer 7

(5 SMALL BOXES) = 0.2 SEC

Question 8

Q WAVE

Answer 8

THE FIRST NEGATIVE DEFLECTION

Question 9

R WAVE

Answer 9

THE FIRST POSITIVE DEFLECTION

Question 10

S WAVE

Answer 10

THE FIRST NEGATIVE DEFLECTION AFTER THE R WAVE

Question 11

IF THE QRS IS GREATER THAN 0.12 SECS, THE ORIGIN IS MOST LIKELY FROM

Answer 11

THE VENTRICLES

Question 12

IF THE QRS IS GREATER THAN 0.12 SEC, THIS MAY SIGNIFY WHAT?

Answer 12

DELAYED CONDUCTION IN ONE OR MORE OF THE BUNDLE BRANCHES

Question 13

IF THE QRS IS LESS THAN 0.08, THEN THE ORIGIN IS FROM

Answer 13

THE ATRIUM OR AV NODE

Question 14

ST ELEVATION

Answer 14

MYOCARDIAL INFARCTION

Question 15

ST DEPRESSION

Answer 15

MYOCARDIAL ISCHEMIA

Question 16

A LONGER QT INTERVAL MEANS

Answer 16

A SLOWER VENTRICULAR REPOLARIZATION AND A LONGER RELATIVE REFRACTORY PERIOD; POTENTIAL FOR LETHAL ARRHYTHMIAS

Question 17

U WAVE

Answer 17

RECOVERY PERIOD OF THE PURKINJE FIBERS;

HYPERCALCEMIA, HYPOKALEMIA, OR DIGITALIS TOXICITY

Question 18

IF P WAVES ARE NOT PRESENT, THE ORIGIN MAY BE IN THE

Answer 18

AV JUNCTION OR VENTRICLES

Question 19

ALL AV HEART BLOCKS HAVE

Answer 19

REGULAR P-P INTERVALS

Question 20

IF THE PR INTERVAL IS LESS THAN 0.12

Answer 20

JUNCTIONAL RHYTHM

Question 21

IF THE PR INTERVAL IS GREATER THAN 0.12

Answer 21

POSSIBLE SR

Question 22

IF THE P WAVES LOOK DIFFERENT

Answer 22

WONDERING/MULTIFOCIAL ATRIA

Question 23

THE NORMAL LENGTH OF THE PR INTERVAL IS

Answer 23

0.12 AND 0.20 (3-5 SMALL BOXES)

Question 24

IF THE PR INTERVAL IS GREATER THAN 0.20

Answer 24

1ST DEGREE HEART BLOCK

Question 25

LONGER, LONGER, BLOCK IS A

Answer 25

2ND DEGREE WENKEBACH (MOBITZ I)

Question 26

CONSISTENT PR INTERVALS THEN BLOCK IS A

Answer 26

2ND DEGREE MOBITZ II

Question 27

INCONSISTENT PR INTERVALS IS A

Answer 27

COMPLETE HEART BLOCK (3RD DEGREE)

Question 28

NORMAL QRS DURATION IS

Answer 28

0.04 TO 0.12 SECONDS (1-3 SMALL BOXES)

Question 29

IF THE QRS IS GREATER THAN 0.12

Answer 29

THE BEAT ORIGINATES FROM THE VENTRICLES (WIDE COMPLEX)

Question 30

IF THE QRS DONT LOOK THE SAME AND ARE WIDE

Answer 30

MULTIFOCAL

Question 31

STROKE VOLUME

Answer 31

THE AMOUNT OF BLOOD EJECTED BY THE LEFT VENTRICLE WITH EACH CONTRACTION

Question 32

PRELOAD

Answer 32

VOLUME/PRESSURE IN THE VENTRICLES AT THE END OF DIASTOLE

Question 33

AFTERLOAD

Answer 33

THE RESISTANCE THE VENTRICLES HAVE TO PUSH AGAINST TO GET THE VALVES TO OPEN TO GET THE BLOOD OUT THE VENTRICLES

Question 34

FRANK STERLING LAW

Answer 34

MORE STRETCH = MORE CONTRACILITY; THE MORE STRETCH, THE HARDER IT WILL CONTRACT TO EMPY

Question 35

SYMPATHETIC NERVOUS SYSTEM

Answer 35

EPINEPHRINE AND NOREPINEPHRINE

ADRENERGIC RECEPTORS
ALPHA - VASOCONSTRICTION
BETA- VASODILATION

INCREASE HR

Question 36

PARASYMPATHETIC NERVOUS SYSTEM

Answer 36

ACETYCHOLINE

CHOLINERGIC
DECREASE HR

Question 37

CHRONOTROPIC

Answer 37

MEDICATIONS THAT AFFECT HEART RATE (INCREASE OR DECREASE HR)

Question 38

INOTROPIC

Answer 38

MEDICATIONS THAT AFFECT THE STRENGTH OF THE CONTRACTION

Question 39

DROMOTROPIC

Answer 39

MEDICATIONS THAT AFFECT THE SPEED OF CONDUCTION VIA THE AV NODE AND THE RATE OF ELECTRICAL IMPULSES THAT PASS THROUGH IT