Class I Permanent pacemaker implantation is indicated for: 1. third-degree and advanced second-degree AV block at any anatomic level associated with bradycardia with symptoms (including heart failure) or ventricular arrhythmias…
Fig. 20.1 Electrical and mechanical events of a single cardiac cycle within the left heart (see text for details) Fig. 20.2 Pressure-volume diagram of a single cardiac cycle (see text…
Fig. 38.1 Compression and decompression phases of cardiopulmonary resuscitation It is critical to understand that blood flow to the vital organs is severely reduced during standard CPR, even under the…
Fig. 4.1 The left panel is a diagrammatic representation of pulmonary cavities on each side of the thorax with the mediastinum in between. The right panel illustrates the divisions of…
Fig. 7.1 An anatomical plate of a human heart with the atria and great arteries removed showing the relationship between the four valves at the base of the heart. Note…
Fig. 5.1 Position of the heart in the thorax. The heart lies in the protective thorax, posterior to the sternum and costal cartilages, and rests on the superior surface of…
Fig. 13.1 Conduction system of the heart. Normal excitation originates in the sinoatrial node and then propagates through both atria (internodal tracts shown as dashed lines). The atrial depolarization spreads…
Fig. 29.1 Schematic of radiofrequency lesion formation Fig. 29.2 Illustration of depth and width of lesion formation . (A) Left ventricle (8 mm catheter tip; 32: 9.2 mm wide, 10…
Fig. 21.1 Adenosine triphosphate (ATP) . ATP is the major source of chemical energy used to power the reactions that support contractile and other processes in myocardium and all other…
Fig. 25.1 John Dilorio (Dr. Iaizzo’s cousin) was a young cardiac patient of Dr. Lillehei and his team, shown here in 1958 (a) in his hospital bed at the University…
