Ct Registry Review

Front 1

Normal body temperature

Back 1

97.7° to 99.5° F (36.5° to 37.5° C)

Front 2

Pulse rate (adults)

Back 2

60-100 bpm

Front 3

Pulse rate (children)

Back 3

70-120 bpm

Front 4

Systolic blood pressure

Back 4

Occurs during cardiac contraction and should be less than 120mmHg

Front 5

Diastolic blood pressure

Back 5

Measured during relaxation of the heart and should be less than 80mmHg

Front 6

Normal respiration (adult)

Back 6

12-20 breaths/min

Front 7

Normal respiration (child)

Back 7

20-30 breaths/min

Front 8

Pulse oximeter

Back 8

Measures blood oxygen levels, which are normally between 95% and 100%

Front 9

Beta blockers

Back 9

May be used to reduce a patient's heart rate

Front 10

BUN and creatinine levels are used to:

Back 10

Indicate renal function

Front 11

Normal BUN

Back 11

7-25 mg/dL

Front 12

Normal creatinine

Back 12

0.5-1.5 mm/dL

Front 13

Normal BUN/creatinine ratio

Back 13

6:1 to 22:1

Front 14

Normal GFR (men)

Back 14

70+/-14 mL/min/m^2

Front 15

Normal GFR (women)

Back 15

60+/-10 mL/min/m^2

Front 16

Prothrombin time; normal range

Back 16

Measure of blood coagulation; 12-15 seconds

Front 17

Coumadin/warfarin

Back 17

Anticoagulant

Front 18

Metformin/glucophage

Back 18

Used for treatment of type 2 diabetes; cease use X2 days following contrast administration

Front 19

_____ contrast agents are less likely to produce adverse side effects and/or reactions

Back 19

Non-ionic low-osmolar

Front 20

Routine transit time for contrast through the GI tract is:

Back 20

Between 30-90 minutes

Front 21

Examples of mild reactions to contrast

Back 21

N/V

Mild urticaria (hives

Pronounced sensation of warmth/flushing

Alerted taste

Sweats/chills

Nasal stuffiness/sneezing

Anxiety

Front 22

Examples of moderate reactions to contrast

Back 22

Mild bronchospasm

Moderate to severe urticaria

Vasovagal response

Tachycardia from hypotension

Front 23

Examples of severe reactions to contrast

Back 23

Profound hypotension

Laryngeal edema

Severe bronchospasm

Pulmonary edema

Cardiac arrhythmia

Seizure

Cardiopulmonary arrest

Death

Front 24

Factors affecting CT patient radiation dose

Back 24

System configuration

User settings

Front 25

Slice sensitivity profile (SSP)

Back 25

Reconstructed CT section

Front 26

Dose profile

Back 26

Section of tissue exposed to ionizing radiation

*greater than SSP

Front 27

Exposure; measured in _____

Back 27

Ability of x-rays to ionized a volume of air; roentgens (R)

Front 28

Absorbed dose; measured in _____

Back 28

Amount of x-ray energy absorbed in a unit of mass; grays (Gy)

Front 29

Kerma; air kerma

Back 29

Describes an absorbed dose; describes amount of radiation absorbed in a quantity of air

Front 30

Effective dose; measured in _____

Back 30

Rush of exposure per certain types of tissue; sieverts (Sv)

Front 31

CT dose index (CTDI)

Back 31

Approx. Measure of the dose received in a single CT section or slice

Front 32

As the pitch increases, the dose per section (CTDIvol) _____

Back 32

Decreases

Front 33

Pitch

Back 33

Amount of table travel per tube rotation divided by collimation

Front 34

Axial acquisition for brain

Back 34

Thin seconds (2-5mm)from skull base through posterior fossa, then 5-10mm sections through the vertex

Front 35

In brain scans, thinner sections through the posterior fossa are done to:

Back 35

Reduce beam-hardening artifact caused by the petrous pyramids

Front 36

Back 36

1. Frontal sinus

2. Falx cerebri

3. Right frontal lobe

4. Middle cerebral artery

5. Pons

6. Left temporal lobe

7. Quadrigeminal cistern

8. Cerebellum