Examination Preparation

Appointment is required.

必須預約。

 

Please ask the patient to bring along previous imaging films and reports for reference.

請攜同相關檢查之舊片及報告以作參考。

 

Please inform our staff if there is any chance of pregnancy before the examination.

如病人確定或懷疑懷孕，請於檢查前通知本中心職員。

 

Please remove all metal items including jewellery, dentures and hairpins as they may affect CT scan images.

檢查前請確保除下所有金屬物品，包括珠寶、假牙和髮夾等，以免影響電腦掃描之影像。

 

Preparation for Contrast CT Examination 注射 CT 顯影劑檢查前須知

 

No need for fasting before contrast CT exam (except for examination of gallbladder).

進行注射顯影劑電腦掃描檢查前，建議無需禁食 (膽囊檢查除外)。

 

Please inform our staff if the patient has diabetes mellitus, renal failure or other allergies.

如患有糖尿病、腎衰竭或任何敏感，請通知本中心職員。

 

History of Allergy to Contrast Medium 對顯影劑有過敏反應史

•  Patients with history of allergy to contrast media would have steroid cover prescribed by referring doctor before the appointment day.

•  如病人對顯影劑有過敏反應，請由主診醫生指示檢查前一日及當天服用適當預防敏感藥物。

 

Patient with Diabetes Mellitus taking Metformin 糖尿病人服用二甲雙胍藥物注射CT顯影劑檢查須知

•  No evidence of AKI (acute renal injury), with eGFR >= 30mL/min/1.73m2

•  一般腎功能指數的病人 eGFR >= 30mL/min/1.73m2

     •  No need to discontinue metformin before or after CT examination.

     •  注射 CT 顯影劑前後，無需停藥。

 

•  Patient with AKI or severe chronic kidney disease (stage IV or stage V, eGFR<30mL/min/1.73m2)

•  急性腎損傷或嚴重腎病的病人 (eGFR<30mL/min/1.73m2 )

     •  Metformin should be temporarily discontinued at the time or prior to the examination, and withheld for 48 hours subsequent to the examination and reinstituted only after renal function has been re-evaluated and found to be normal.

     •  注射 CT 顯影劑檢查當日，需要暫停服用二甲雙胍，並且完成 CT 檢查後48小時內停止服用二甲雙胍糖尿藥物，待腎功能指數檢測穩定後才可恢復使用該類藥物。

 

Patient with Renal Diseases 腎病病人

•  For patient with renal disease, e.g. chronic kidney disease (CKD), AKI, prior renal surgery, albuminuria or on dialysis.

•  任何腎病病人或曾有慢性腎臟病、急性腎衰竭、腎臟手術、蛋白尿及洗腎。

     •  Patient should provide renal function test result within 3 months. Urgent creatinine test would be charged separately.

     •  須提供檢查前三個月內有效的腎功能指數報告，或有需要進行緊急腎功能測試。(需額外收費)

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Specific Examination Preparation 需要特別準備之檢查

Upper Abdomen/ Hepatobiliary System/ Gallbladder 上腹腔/ 肝膽系統/ 膽囊掃描 

•   Fasting for 6 hours (except water) before the examination time.  For infants and children, fasting for 2-3 hours and 4 hours (except water) respectively before the examination time.  For patients with previous cholecystectomy, fasting is not necessary.

•   檢查前6小時開始禁食 (清水除外)，嬰幼兒及小童則於檢查前 2-3小時及4小時開始禁食。對於已切除膽囊的病人，無需禁食。 

 

Urinary System/ Urinary Bladder/ Pelvic Scan  泌尿系統/ 盆腔掃描

•   Fasting is not required.

•   Drink about 2-3 cups (~ 250 ml each) of water 30 minutes before the examination time and keep a full urinary bladder until the examination is finished.

•   Clamp Foley’s catheter 30 minutes before the examination time if the patient has urinary bladder catheterization.

•   無需禁食。 

•   檢查前30分鐘飲用大約2-3杯清水(大約每杯250亳升)及請勿小便，直至檢查完畢。 

•   插有膀胱導管之病人需於檢查前30分鐘把導管夾緊，直至檢查完畢。

 

Coronary Angiogram 冠狀動脈 (心血管) 造影 

•   Do not consume alcohol, tea, soft drinks, chocolate, coffee or any caffeinated products 24 hours before the examination.

    檢查前24小時避免飲用或進食含有酒精、茶、汽水、朱古力、咖啡或含咖啡因的食品。.

•   Avoid exercise or cigarettes before the examination.

    檢查前避免進行劇烈運動或吸煙。

•   Viagra or similar drugs should be avoided for 12 hours before the examination.

    檢查前12小時避免服用威而鋼、立威大、樂威狀等壯陽藥品。

•  If patient's heart rate is too high, oral or intravenous beta-blocker drug may be given to lower heart rate to a desired level before the examination (additional charge applies).

   若心率太高，或需服用 Beta Blocker (e.g. Atenolol) 或靜脈注射針劑減慢心跳藥以降低心率至合適水平方能進行檢查 (需額外收費)。

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