The term premature ventricular contraction is identified in base64 scheme by the sequence cHJlbWF0dXJlIHZlbnRyaWN1bGFyIGNvbnRyYWN0aW9u, while the MD5 signature is equal to 3bbb414d97f1cd24c31cbf67039854bc. The ASCII encoding of premature ventricular contraction in hexadecimal notation is 7072656d61747572652076656e74726963756c617220636f6e7472616374696f6e.