Most drugs can be detected in hair for about 90 days. This does depend on how long someoneâs hair is, how frequently they have haircuts, and how much of a drug theyâve taken. Additionally, trace amounts of morphine will be harder to detect.
How is an EKG (electrocardiogram) performed? Your EKG will be performed in a hospital, clinic, doctorâs office, or sometimes in the home or an ambulance. A standard or resting EKG, the most common type of EKG, takes a few minutes. It generally includes these steps: You will recline in a comfortable position. Your provider will attach sticky patches, or electrodes, to your chest and possibly your arms and legs or hips and shoulders. This is painless.
The three major types of ECG are: 1  resting ECG â the person lies down. 2  ambulatory ECG â an ambulatory or Holter ECG is performed using a portable recording device that is worn for at least 24 hours. 3  cardiac stress test â this test is used to record a personâs ECG while they ride on an exercise bike or walk on a treadmill.