…risk of preeclampsia with severe features during the subsequent two weeks. Cerebral circulatory autoregulation is also disturbed. This helps explain the neurological manifestations of preeclampsia…

…rapidly with intravenous drugs. Restart or optimise oral treatment and ensure follow up. Rapid lowering can worsen cerebral, coronary and renal perfusion, particularly in patients…

…beds. Malignant hypertension represents an extreme form in which acute microvascular injury occurs, classically involving fibrinoid necrosis of small arteries in the kidneys, retina, and…

…hypoxemia, antiarrhythmic drugs, or electromagnetic disturbance caused by other machines/devices. Below follows ECG tracings demonstrating each type of failure. Figure 1. Failure to pace…

…pressure in the left ventricle. Disturbance in ventricular relaxation results in the disruption of pressure conditions in the left ventricle. Ventricular pressure should drop rapidly…

Procedurer The value of the exercise test lies not in ST depression alone but in the overall picture : exercise capacity, symptoms, blood pressure response, heart…

…ECG Aberrant ventricular conduction (aberrancy, aberration) Aberrant conduction is not a mechanism of arrhythmia; it is a ventricular conduction disturbance . It is discussed in this…

…greater resistance and any disturbance in ventricular activation will reduce the efficiency of the pumping function. The primary ECG manifestations of conduction defects are prolonged…

…90 percent of withdrawal seizures occur within 48 hours. Seizures later than this, focal seizures or status epilepticus should raise strong suspicion of another or…

…with fatigue, depression, sleep disturbance or altered mental status rather than prominent breathlessness. Hemodynamic phenotypes Initial assessment should distinguish congestion from hypoperfusion. This distinction provides…