…of congenital heart disease in the general population, such that most clinicians will regularly encounter patients with CHD. Approximately 95% of all incident cases of…

…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…

…that saves the patient — the puncture must never delay it. Indications Suspected meningitis or encephalitis. Suspected subarachnoid haemorrhage with a normal or non diagnostic CT…

…5B). Ultrasound energy in side lobes is mostly dissipated in the tissue without generating significant reflections. However, when side lobes encounter strong reflectors (calcifications, pericardium…

…a specific stenosis. Clinical Role and Indications CAC scoring is principally a risk stratification tool for individuals without known clinical coronary artery disease, especially when…

…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…

…and may reduce cardiovascular risk within several years, although risk may remain higher than that of never smokers for a prolonged period. In heavy smokers…

…Synonyms for AVNRT Atrioventricular nodal reentrant tachycardia Atrioventricular nodal reentry tachycardia Atrioventricular nodal reentrant tachyarrhythmia Atrioventricular nodal reentry tachyarrhythmia Some textbooks use the term "node…

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…

…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…

…the Framingham Heart Study, this linear correction formula adjusts the QT interval based on heart rate without involving square or cube roots. It has been…

…longer serial intervals. Clinical Presentation and Initial Clinical Context Chest pain or discomfort is the most common symptom initiating evaluation for ACS. Features that increase…

…However, most clinicians who encounter patients with pacemakers only have access to conventional surface ECGs. Being able to assess pacemaker function and perform troubleshooting should…

…vibrations propagate in the form of a sound wave. If the sound waves encounter a new medium, some sound waves will be reflected while others…

…periods. Aberrant conduction occurs when the length of the cardiac cycle is changed without a compensatory change in the length of the refractory period. This…

…If the left atrium encounters increased resistance (e.g due to mitral valve stenosis) it becomes enlarged (hypertrophy) which amplifies its contribution to the P…