Cardiac - Final

Question 1

PR Interval

Answer 1

.12-.2

Question 2

QRS interval

Answer 2

.04-.1

Question 3

QT interval

Answer 3

.32-.4

Question 4

A-flutter

Answer 4

Sawtooth, P waves 250-350m/sec

Question 5

A-Fib

Answer 5

dilated atria - no discernible P waves

Question 6

Paroxsymal Ventricular Tachycardia

Answer 6

Wide, irregular waves. No QRS

Question 7

Ventricular Flutter

Answer 7

Saw tooth, lethal, cardiac twitching

Question 8

Ventricular Fibrillation

Answer 8

Leathal, cardiac twitching, >350-450bpm

Question 9

ST Elevation

Answer 9

Acute MI

Question 10

ST depression

Answer 10

Ischemia

Question 11

Inverted T wave

Answer 11

Ischemia

Question 12

Preload

Answer 12

End-diastolic volume or pressure

Question 13

Afterload

Answer 13

Resistance ventricle must work against

Question 14

Contractility

Answer 14

Muscle performance

Question 15

Ejection Fraction

Answer 15

Portion of SV pumped out from left vent

Question 16

Sympathetic Nervous System

Answer 16

Cardioaccelerator center

Question 17

Parasympathetic Nervous System

Answer 17

Cardioinhibitor center

Question 18

Valve Stenosis

Answer 18

impedance of flow due to incomplete opening of valves

Question 19

Valve Regurgitation

Answer 19

incomplete closing of valve

Question 20

Pericarditis

Answer 20

inflammation of pericardium

Question 21

S4 heart sound

Answer 21

Right vent failure

Question 22

S3 heart sound

Answer 22

left vent failure

Question 23

Dilated Cardiomyopathy

Answer 23

systolic impaired, can’t empty

Left vent dilated and can’t contract

Question 24

Hypertrophic Cardiomyopathy

Answer 24

Diastolic impaired, can’t fill

Hypercontractile left vent

Question 25

Cholesterol

Answer 25

180mg/100ml

Question 26

Triglycerides

Answer 26

150mg/100ml

Question 27

HDL

Answer 27

> 33-43mg/dl

Question 28

LDL

Answer 28

< 100mg/dl

Question 29

Hemoglobin

Answer 29

12-18g/100ml

Question 30

Hematocrit

Answer 30

37-42g/100ml

Question 31

PT - Prothrombin Time

Answer 31

Extrinsic Clotting - 11-13.5 sec

Question 32

PTT - Partial Thromboplastin Time

Answer 32

Intrinsic Clotting - 30-45 sec

Question 33

Anitcoagulants (heparine)

Answer 33

reduce excessive clot formation

Question 34

Antithrombotic (aspirin)

Answer 34

decrease platelet activity and reduce clot formation

Question 35

Thrombolytic (streptokinase)

Answer 35

break down already formed clots

Question 36

Class I Arrhythmic

Answer 36

Sodium channel blockers

Question 37

Class II Arrhythmic

Answer 37

Beta Blockers

Question 38

Class III Arrhythmic

Answer 38

Prolong repolarization, stabilize rhythms, Amiodarone

Question 39

Class IV

Answer 39

Calcium Channel Blockers