Researchers have achieved patch-clamp studies of an elusive part of mammalian myelinated nerves called the Nodes of Ranvier. At the nodes, they found unexpected potassium channels that give the ...

A hypothesis, suggested previously by morphological studies, for impulse conduction from the sarcolemma to the contractile material via the sarcoplasmic reticulum is discussed. The relation of ...

University of Alabama at Birmingham researchers, for the first time ever, have achieved patch-clamp studies of an elusive part of mammalian myelinated nerves called the Nodes of Ranvier. At the nodes, ...

University of Alabama at Birmingham researchers, for the first time ever, have achieved patch-clamp studies of an elusive part of mammalian myelinated nerves called the Nodes of Ranvier. At the nodes, ...

The diagnosis is atrial tachycardia with variable (2:1 and 3:1) atrioventricular (AV) block and intraventricular conduction delay. The rhythm is regular at a rate of 72 beats/min, although one longer ...

The R12 and R14 waves hold the key to the answer (Figures 2 and 3). These two QRS complexes are narrow and occur slightly earlier than others. They are PJCs and occur late enough to have a sinus P ...

People used to think that nerves were literally pipes, conveying impulses in the form of pressure waves of water. Even 100 years ago, this 'hydraulic' view was still influencing psychologists such as ...

The heart rate is the number of times the heart beats per unit of time. There are several abnormalities of this rate and rhythm. This is a term that describes different conditions in which the heart ...