Steven Poelzing

Heterogeneous connexin43 expression produces electrophysiological heterogeneities across ventricular wall.

Altered connexin43 expression produces arrhythmia substrate in heart failure.

Nature, significance, and mechanisms of electrical heterogeneities in ventricle.

Transmural conduction is not a two-way street.

Optical measurements reveal nature of intercellular coupling across ventricular wall.

IKs blockade reduces dispersion of repolarization in heart failure.

Cellular mechanisms of Torsade de Pointes.

SCN5A polymorphism restores trafficking of a Brugada syndrome mutation on a separate gene.

Heterogeneous ventricular chamber response to hypokalemia and inward rectifier potassium channel blockade underlies bifurcated T wave in guinea pig.

Mechanisms underlying increased right ventricular conduction sensitivity to flecainide challenge.

Novel x-ray attenuation mechanism: role of interatomic distance.

Are electrophysiologically distinct M-cells a characteristic of the wedge preparation?

The modulated dispersion hypothesis confirmed in humans.

Status epilepticus induces cardiac myofilament damage and increased susceptibility to arrhythmias in rats.

Gap junction heterogeneity as mechanism for electrophysiologically distinct properties across the ventricular wall.

Pharmacological activation of IKr impairs conduction in guinea pig hearts.

Cytosolic calcium accumulation and delayed repolarization associated with ventricular arrhythmias in a guinea pig model of Andersen-Tawil syndrome.

NCX is an important determinant for premature ventricular activity in a drug-induced model of Andersen-Tawil syndrome.

A novel strategy using cardiac sodium channel polymorphic fragments to rescue trafficking-deficient SCN5A mutations.

Interstitial volume modulates the conduction velocity-gap junction relationship.

The perinexus: sign-post on the path to a new model of cardiac conduction?

Combined inhibition of Na⁺ and Ca²⁺ channels: a novel paradigm for the treatment of incessant ventricular arrhythmias in Andersen-Tawil syndrome.

Mechanisms of cardiac conduction: a history of revisions.

Old cogs, new tricks: a scaffolding role for connexin43 and a junctional role for sodium channels?

Intercellular electrical communication in the heart: a new, active role for the intercalated disk.

Novel ligands for zipping and unzipping the intercalated disk: today's experimental tools, tomorrow's therapies?

Sex differences in β-adrenergic responsiveness of action potentials and intracellular calcium handling in isolated rabbit hearts.

Moving beyond the reductionist approach-Time to put the pieces back together in a broken (infarcted) heart.

Neuronal Na+ channel blockade suppresses arrhythmogenic diastolic Ca2+ release.

Sodium channels in the Cx43 gap junction perinexus may constitute a cardiac ephapse: an experimental and modeling study.

Distinguishing between overdrive excited and suppressed ventricular beats in guinea pig ventricular myocardium.

Extracellular sodium and potassium levels modulate cardiac conduction in mice heterozygous null for the Connexin43 gene.

Visualizing virus particle mobility in liquid at the nanoscale.

Orientation dependence of microcirculation-induced diffusion signal in anisotropic tissues.

Temporal response of ectopic activity in guinea pig ventricular myocardium in response to isoproterenol and acetylcholine.

Cardiac conduction in isolated hearts of genetically modified mice--Connexin43 and salts.

Heart Rate and Extracellular Sodium and Potassium Modulation of Gap Junction Mediated Conduction in Guinea Pigs.

Extracellular sodium dependence of the conduction velocity-calcium relationship: evidence of ephaptic self-attenuation.

Potassium channels in the Cx43 gap junction perinexus modulate ephaptic coupling: an experimental and modeling study.

Electrophysiologic effects of the IK1 inhibitor PA-6 are modulated by extracellular potassium in isolated guinea pig hearts.

Revealing the Concealed Nature of Long-QT Type 3 Syndrome.

TNFα Modulates Cardiac Conduction by Altering Electrical Coupling between Myocytes.

Design and validation of a tissue bath 3-D printed with PLA for optically mapping suspended whole heart preparations.

Whole-exome sequencing reveals microsatellite DNA markers for response to dofetilide initiation in patients with persistent atrial fibrillation: A pilot study.

Intercalated Disk Extracellular Nanodomain Expansion in Patients With Atrial Fibrillation.

The adhesion function of the sodium channel beta subunit (β1) contributes to cardiac action potential propagation.

The role of the gap junction perinexus in cardiac conduction: Potential as a novel anti-arrhythmic drug target.