Arrhythmias and arrhythmology ECG Mechanisms of cardiac arrhythmias: from automaticity to re entry This section introduces the most common arrhythmias encountered in clinical practice, beginning…

…smokers for a prolonged period. In heavy smokers, cardiovascular risk falls within five years of stopping but may remain elevated thereafter. The overall health benefit…

…one being refractory and the other capable of conducting the impulse, re entry may arise. This is illustrated in Figure 1 (study this figure carefully)…

…nurses, paramedics and physician assistants who rely on such books will realize their shortcomings at their first encounter with an ECG in reality. Books that…

…puncture, and antibiotics and a corticosteroid are then given immediately after blood cultures. For questions other than acute meningitis — an insidious onset, known malignancy, immunosuppression…

…times between dense structures ( i.e structures with high echogenicity). For each reflection, a portion of the sound waves return to the transducer and produce…

…Pressure (CVP) This equation illustrates that MAP is determined by the volume of blood the heart pumps and the resistance encountered in the systemic circulation…

…or haemodynamic significance of a specific stenosis. Clinical Role and Indications CAC scoring is principally a risk stratification tool for individuals without known clinical coronary…

…enlargement (P pulmonale) The atria may become dilated and/or hypertrophic during pathological circumstances. As for ventricular enlargement, the ECG cannot differentiate dilatation from hypertrophy…

…all Western countries. According to a Cochrane review, for every 10,000 apparently healthy newborn infants, around six will have critical CHD, and the pulse…