Discuss factors affecting radiation dose in CT and explain how these factors can be adjusted to reduce radiation dose during angiographic studies.

A 60-year-old male patient with coronary artery disease (CAD) has been booked for a cardiac CT angiography. As the lead CT radiographer, explain how you will prepare this patient for a cardiac angiogram including the pre-medication before the scan.                                                                                                        [10]

Explain the advantages of high pitch helical cardiac scan acquisition in a dual source CT scanner.  (2 marks per point)                                                                                                                                              [6]                          

A 52-year-old was referred for a CT of the upper abdomen following ultrasound findings of a suspicious lesion in the upper dome of the liver. The radiologist requests that you perform a multiphase liver protocol. Answer the following questions based on the scenario:Explain which phases you will scan and explain the reasons for each phase [8]State the timings of your phases after contrast media injection [3]After your scan is complete, you notice the lesion giving a clear enhancement during the delayed phase. Which type of lesion could this be? justify your answer. [4]

is a test where amniotic fluid is withdrawn from the amniotic sac for testing or treatment. Hysterectomy is the surgical of a woman’s uterus. is the surgical removal of the ovaries that can be done in combination with a hysterectomy. Cervical , or a cervical stitch, is a treatment for cervical weakness where the cervix starts to shorten and open too early during a pregnancy.

Transurethral resection of the prostate (TURP) is a surgery used to treat problems due to an enlarged prostate. is the surgical sterilization of a male by surgically cutting or blocking the vas deferens.

The GI tract is also referred to as the .

Click on the area of the picture that holds the ascending colon.

The __________ is the main site of digestion and absorption of nutrients from the food.

Identify the stomach.