…male and female Adult, male Adult, female Normal <440 ms <430 ms <450 ms Upper limit 440–460 ms 430–450 ms 450–470 ms…

…books will realize their shortcomings at their first encounter with an ECG in reality. Books that claim to make it "simple" can provide a quick…

…regularly encounter patients with CHD. Approximately 95% of all incident cases of congenital heart disease reach adulthood ( Mandalenakis et al ). The largest leap in survival…

…the right place. In suspected bacterial meningitis it is the time to antibiotics that saves the patient — the puncture must never delay it. Indications Suspected…

…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…

…present in an asymptomatic individual is not supported by the available evidence described here. Systematic screening of the general population for cardiovascular risk factors has…

…the normal P wave does not exceed 2.5 mm in any limb lead. Reference values for the P wave The negative deflection of biphasic …

…particularly in patients with established atherosclerotic disease. Readiness and behavioural context A brief, structured intervention should be used whenever smoking is identified. During encounters with…

…refractory pathway, as shown in Figure 1 . The impulse may subsequently circulate within the atrioventricular node, as long as it encounters excitable tissue. As it…

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…

…for the longer duration of diastole compared to systole. Clinical utlility Monitoring MAP is essential for assessing adequate organ perfusion, especially in critically ill patients…

…Troponin results should not be interpreted in isolation because myocardial injury is also encountered in non ACS cardiopulmonary disease. Patients with persistent or recurrent chest…

…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…

…they generate vibrations in the surrounding air and these vibrations propagate in the form of a sound wave. If the sound waves encounter a new…

…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…

…positive and smooth wave. It is small because the atria make a relatively small muscle mass. If the rhythm is sinus rhythm (i.e under…