…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…

…following aspects: Physiology (particularly cardiac electrophysiology) Pathophysiology (causes and mechanisms underlying various conditions diagnosed using ECG) Epidemiology Clinical aspects ECG criteria/characteristics Electrophysiological explanations for…

…or non diagnostic CT. Suspected neuroborreliosis, neurosyphilis or another CNS infection. Suspected inflammatory disease: multiple sclerosis, Guillain–Barré syndrome, autoimmune encephalitis. Meningeal carcinomatosis and CNS…

…acoustic shadowing. Reverberations artifacts Ultrasound waves can be reflected multiple times between dense structures ( i.e structures with high echogenicity). For each reflection, a portion…

…of the general population for cardiovascular risk factors has not been shown to improve cardiovascular outcomes, although opportunistic assessment during clinical encounters improves detection of…

…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…

…is a better indicator of organ perfusion. In clinical settings, MAP is often preferred over SBP for the following reasons: Indicator of Organ Perfusion : MAP…

…de pointes . ECG showing an episode of sinus rhythm (with multiple ventricular premature beats) spontaneously converting to Torsade de Pointes ventricular tachycardia. Notice how arterial…

…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…

…refractory. In this case ( Figure 1 ) it encounters a refractory right bundle branch and therefore the impulse is conducted with right bundle branch block morphology…

…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…