Each laboratory has its own characteristic features and hence the quality control approach varies. There are, however, some common features like specimen collection identification and supplies. The manufacturer also plays an important part in providing reliable data by supplying reliable instruments and reagents. There should be close cooperation between the manufacturer and the laboratory so that the former can meet [...]
In the below contents we will study about phlebotomy techniques both by syringe methods and capillary method. Phlebotomy Technique by Syringe Methods: Needle: Sterilized sharp needles of bore size 18-20 gauge (medium, 12-0.9 mm) for adults and 23 gauge (0.5 mm) for children are needed. The bevel length should be medium (20 mm) for adults and short (15 mm) for [...]
The following points highlight the top two methods for clotting time. The methods are: 1. Capillary Tube Method 2. Lee and White Method. 1. Capillary Tube Method: Procedure: i. Clean the tip of a finger with spirit. ii. Puncture it upto 3 mm deep with a disposable needle. iii. Start the stopwatch. iv. Fill two capillary tube with free flowing [...]