…For obvious reasons, more complex defects are typically diagnosed earlier. Defects resulting in reduced oxygen saturation are generally detected with neonatal pulse oximetry (POX) screening…

…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…

…The Swedish clinical care programme for bacterial CNS infections states that CT must not be performed before lumbar puncture in suspected bacterial meningitis — not even…

Echocardiography Ultrasound artifacts The following artifacts are common in ultrasound imaging: The ultrasound image displays non existing structures. The ultrasound image does not display existing…

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

…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…

…MAP is often preferred over SBP for the following reasons: Indicator of Organ Perfusion : MAP is a more reliable indicator of blood flow to vital…

…bradycardia and tachycardia. Fridericia’s and Framingham formulas are often preferred in scenarios where a broader range of heart rates is encountered, as they may…

…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…

…V2. lead V5 only notes vectors heading towards the exploring electrode (albeit with somewhat varying angles) and therefore displays a positive P wave throughout. Figure…