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Cardiac arrest due to hypoxia and asphyxia

…ROSC (%) 17.3 7.2 1.7 3.4 3.7 2.1 Total ROSC (%) 37.6 75.0 93.3 84.2 83.3…

Percutaneous Coronary Intervention for Chronic Total Occlusions: Indications and Outcomes

Myocardial ischemia and infarction Definition and pathophysiology A chronic total occlusion (CTO) is a complete or nearly complete coronary arterial obstruction that has persisted for…

Regional Myocardial Contractile Function: Wall Motion Abnormalities

Echocardiography Echocardiographic assessment of regional contractile function Systolic ventricular function is one of the strongest predictors of total and cardiovascular mortality. Previous chapters have discussed…

QT duration & corrected QT (QTc) duration: ECG features & implications

…of the QT interval (QT duration). The QT duration represents the total time for depolarization and repolarization. It is measured from the beginning of the…

Introduction to cardiac arrest

…1961). A total of 500 cases of fatal myocardial infarction were examined. The authors reported that 60–70% of all cases had no myocardial disease…

Left bundle branch block (LBBB) in acute myocardial infarction: the Sgarbossa criteria

…to right bundle branch block, left bundle branch block is always a pathological finding that affects cardiovascular and total mortality. Left bundle branch block is…

Long QT (QTc) interval, long QT syndrome (LQTS) & torsades de pointes

…end of the T wave. This interval represents the total time taken to depolarize and repolarize the ventricles ( Figure 1 ). The length of the QT…

Common laboratory tests

…the diagnosis is based on HbA1c. Albumin affects the total calcium — use the ionised calcium or correct for albumin. Biotin supplements interfere with many immunoassays…

Deceased donor organ donation

…treatment to circulatory arrest Indications An intensive care patient with severe brain injury in whom total brain infarction is judged possible during ongoing ventilation (DBD)…

Diabetic ketoacidosis and hyperosmolar hyperglycaemic state: quick reference

…and bicarbonate ≥ 15 mmol/L Hyperosmolality Not required Effective osmolality 300 mosm/kg or total osmolality 320 mosm/kg Typical patient Often type 1 diabetes…

Courses
The Normal ECG: From Normality to Pathology

…the normal ECG, normal variants and diagnosis of pathological findings. A total of 8 lessons will guide you through all the waves, intervals, and durations…

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