Diagnosis. 1  Sinus tachycardia is physiologic or appropriate when a reasonable stimulus, such as the catecholamine surge associated with fright, stress, or physical activity, provokes the tachycardia. It is identical to a normal sinus rhythm except for its faster rate (>100 beats per minute in adults). Sinus tachycardia is considered by most sources to be an SVT. Sinoatrial node reentrant tachycardia (SANRT) is caused by a reentry circuit localised to the SA node, resulting in a P-wave of normal shape and size that falls before a regular, narrow QRS complex.
card verification value (CVV) Card verification value (CVV) is a combination of features used in credit, debit and automated teller machine (ATM) cards for the purpose of establishing the owner's identity and minimizing the risk of fraud. The CVV is also known as the card verification code (CVC) or card security code (CSC). Download this free guide.
CVM is a method used to ensure that a credit card being used in a purchase is in the possession of its owner.We use the CVM to enhance the security of your ordering experience and help detect any fraudulent use of your card.The CVM security code is a 3 or 4 digit code imprinted on the physical credit card, but not embedded or encrypted in the magnetic stripe.The CVM is sometimes referred to as CVV2 or CID. Locate the CVM code on your card as shown below:American Express. Four-digit code located on the front, just above and to the right of your credit card number.he CVM is sometimes referred to as CVV2 or CID. Locate the CVM code on your card as shown below: American Express. Four-digit code located on the front, just above and to the right of your credit card number.