Update
What type of clinical history should be documented? - Answer ✔✔- Recent procedures,
surgeries, symptoms, traumas, area of pain
______ is key to any successful patient interaction - Answer ✔✔- communication
What should a patient do directly prior to the contrast studies? - Answer ✔✔- Empty
Bladder
A patient is required to perform informed consent before the start of any invasive
procedure. Patient consent may be deemed "informed" only when what is explain to the
patient - Answer ✔✔- Risk, benefit, alternatives in a comprehensive language
What is implied consent? - Answer ✔✔- When a patient is in need of immediate medical
services but is unconscious or is physically unable to consent to treatment. In this case
services are rendered with the assumption that the patient would consent if able
T/F:Breath hold is another form of patient immobilization - Answer ✔✔- True
Breath holds are particularly important during Ct examinations of the - Answer ✔✔-
Chest & Abdomen
A patient who is ____,____,and_____ is considered to exhibit a normal level of
consciousness - Answer ✔✔- Awake,alert,responsive
In a lethargic state, the patient appears - Answer ✔✔- Drowsy but can be aroused
A obtunded patient is - Answer ✔✔- More depressed level of consciousness and may
not easily be aroused from a state of confusion
Stupor describes a state of - Answer ✔✔- Near unresponsiveness(semi-comatose)
When in a coma, the patient is - Answer ✔✔- Completely unresponsive
Normal body temperature - Answer ✔✔- 97.5-99.5
The adult pulse rate is between - Answer ✔✔- 60-100 beats per minute
Pulse rate for children - Answer ✔✔- 70-120 bpm
,normal adult respiratory rate - Answer ✔✔- 12-20 breaths per minute
Normal child respiratory rate - Answer ✔✔- 20-30 breaths per minute
Normal blood oxygen levels - Answer ✔✔- 95-100%
cardiac cycle refers to - Answer ✔✔- all events associated with blood flow through the
heart in one beat
It is the _____ of the cardiac cycle that determines the patients heart rate - Answer ✔✔-
Frequency
Diastole refers to - Answer ✔✔- relaxation of heart muscle
Systole refers to - Answer ✔✔- contraction of the heart muscle
Three distinct stages of the cardiac cycle - Answer ✔✔- Atrial systole, ventricular
systole, complete cardiac diastole
atrial systole - Answer ✔✔- contraction of the left and right atria (p wave)
ventricular systole - Answer ✔✔- Contraction of the left and right ventricles(QRS
Complex)
Complete cardiac diastole - Answer ✔✔- Period of relaxation after the heart contraction
Consists of ventricular diastole and atrial diastole
Corresponds to the T wave of the ECG
order of cardiac cycle - Answer ✔✔- P wave, QRS complex, T wave
Cardiac CT images are typically acquired during which phase of the heart's cycle? -
Answer ✔✔- diastolic (relaxation) phase
The heart optimally imaged with the least artifact from motion during its period of
relaxation, otherwise known as the diastolic phase of the cardiac cycle.
Patients with ___hear rates exhibit ____diastole phases which yield what - Answer ✔✔-
Slower,higher, higher quality Ct
What medication may be used to reduce patients heart rates for Ct examinations of the
heart - Answer ✔✔- B-adrenergic/beta blockers
What is the optimal heart rate for MDCT systems - Answer ✔✔- 65
, Why is sublingual nitroglycerin given before heart imaging - Answer ✔✔- To allow the
coronary vessels to dilate
Condition whereby the patient suffers from a low concentration of oxygen in the blood -
Answer ✔✔- hypoxemia
insufficient oxygen in tissue at cellular level - Answer ✔✔- hypoxia
loss of muscular coordination - Answer ✔✔- ataxia
O2 is delivered in units of ______ or in a specific concentration - Answer ✔✔- Liters per
minute(LPM)
Nasal cannula flow rate - Answer ✔✔- 1-6 L/min
Mask flow rate - Answer ✔✔- 6+LPM
Abnormal collection of air in the pleural space - Answer ✔✔- pneumothorax
Where do thoracostomy tubes get placed - Answer ✔✔- Intrapleural space
What two levels indicate renal function - Answer ✔✔- BUN & creatinine
Normal BUN levels - Answer ✔✔- 7-25 mg/dl
>25 possible renal problem
Normal creatinine levels - Answer ✔✔- 0.5-1.5mg/dL
Normal BUN:Creatinine ratio - Answer ✔✔- 6:1 to 22:1
eGFR takes into account - Answer ✔✔- Age, sex, race
EGFR measurement greater than what is a normal kidney function - Answer ✔✔- 90-
120 ml/min
normal prothrombin time - Answer ✔✔- 12-15 seconds
Normal range for INR - Answer ✔✔- 0.8-1.2
normal partial thromboplastin time (PTT) - Answer ✔✔- 25-35 seconds
Normal platelet count - Answer ✔✔- 140,000-440,000 cells/mm^3