Other known causes of sinus tachycardia must be excluded â these include anaemia, hyperthyroidism, phaeochromocytoma, diabetes induced autonomic dysfunction, fever, and dehydration; Sometimes an EP study will be performed to exclude atrial tachycardia before an IST diagnosis is finally made. Treatment
Carpal tunnel. In the human body, the carpal tunnel or carpal canal is the passageway on the palmar side of the wrist that connects the forearm to the hand. The tunnel is bounded by the bones of the wrist and flexor retinaculum from connective tissue. Normally several tendons from the flexor group of forearm muscles and the median nerve pass through it. There are described cases of variable median artery occurrence.
Eight small wrist bones form three sides of the tunnel, giving rise to the name carpal tunnel. The remaining side of the tunnel, the palmar surface, is composed of soft tissues, consisting mainly of a ligament called the transverse carpal ligament. This ligament stretches over the top of the tunnel.