Dissection of the sinus of Valsalva is an extremely rare accident during percutaneous coronary intervention (PCI), but it can lead to serious complications such as dissection of the ascending aorta. We experienced a localized dissection of the right coronary cusp without coronary artery involvement that was induced by a guiding catheter during PCI in a patient with acute myocardial infarction. ...

Abstract Background Phrenic nerve stimulation is a well-recognized complication related to cardiac implantable electronic devices, in particular with left ventricular coronary sinus pacing leads for resynchronization therapy. Case presentation We report an unusual case of symptomatic phrenic due inadvertent placement right defibrillation lead posterior branch patient heart failure reduced eject...

The case of a patient with narrow QRS-complex supraventricular tachycardia and atrial flutter is described. The 12-lead surface electrocardiogram (ECG) revealed sinus rhythm with ventricular pre-excitation and negative δ waves in leads II, III and aVF, indicating Wolff-Parkinson-White syndrome with a posteroseptal accessory pathway (AP). Coronary sinus angiography revealed the presence of a div...

A 41-year-old man presented with dizziness associated with sinus bradycardia and sinus arrest. An attempt to implant a transvenous pacing lead was frustrated by absence of the right superior vena cava. The left superior vena cava persisted and drained via the coronary sinus into the right atrium. Absence of the right superior vena cava may present with symptomatic sinus node dysfunction and may...

a 29-year-old woman was referred to our hospital due to exacerbation in dyspnea on exertion and easy fatigability. a known case of congenitally corrected transposition of the great vessels and congenital complete heart block, she had already received a permanent single-chamber pacemaker. decision was made to implant a biventricular pacemaker for the treatment of the failing heart. excellent cor...

conclusions the coronary sinus flow per minute is the most accurate parameter among the three echocardiographic parameters mentioned above for the assessment of significant stenosis of the coronary artery. results flow (ml/minute), flow/lvm (ml/minuteg) and lv (d-s) mass a-l all correlated significantly with the percentage of stenosis (r = -0.64, p < 0.001; r = -0.47, p < 0.001; r = -0.56, p < ...

Cardiac resynchronization therapy (CRT) has become an important treatment for patients with heart failure and left ventricular dyssynchrony (Cazeau et al., 2001; Abraham et al., 2002; Auricchio et al., 2002; Cleland et al., 2005). For left ventricular (LV) pacing in CRT, transvenous placement of a lead into one of the posterolateral tributaries of the coronary sinus (CS) is the first choice. Ho...

Abstract Cardiac resynchronization therapy is an essential tool for treating patients with heart failure in different types of dilatative cardiomyopathy bundle branch block. This technique wildly used significant benefits terms quality life and effort tolerability along optimized medical therapy. In spite its benefits, several factors may influence efficacy such as etiology, lead position, or d...

The feasibility of resynchronizing ventricular activation by permanent pacing of the His bundle region has been previously described, and has clinical advantages over traditional right ventricular (RV) apical pacing.1–4 The physiologic benefit of permanent His bundle pacing (HBP) is the ability to stimulate the ventricles through the intrinsic His-Purkinje system, which results in synchronous e...

Coronary artery (CA) disorders are among the major causes of morbidity and mortality in humans. We attempt to explain CA anatomy its variations a simple, concise, understandable way help clinicians deal with various disorders. There two main arteries: right coronary (RCA) left CA. The bifurcates into terminal branches: anterior descending (LAD) circumflex (LCX). commonest anatomical variant is ...