…colour and temperature Capillary refill and venous filling Pulses proximal and distal to the suspected obstruction Arterial and venous Doppler signals Evidence of systemic disease…

…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…

…of seizures, delirium tremens, infection, trauma and metabolic disturbance. 4. Monitoring at the appropriate level of care , with readiness for respiratory support. 5. Treatment of…

…congestion may be important mechanisms. Diuretics relieve the hemodynamic consequences of congestion by producing a negative sodium and water balance. They can reduce jugular venous…

…laboratory abnormalities indicate end organ injury. Eclampsia is the occurrence of new onset seizures or coma in a pregnant woman with preeclampsia. HELLP syndrome—haemolysis…

…of AV block upon instigation of beta blockers suggests concealed conduction disturbance in the AV system. Thus, beta blockers can reveal people at risk of…