…classically involving fibrinoid necrosis of small arteries in the kidneys, retina, and brain. Its clinical retinal signature includes flame haemorrhages, cotton wool spots, and papilloedema…

…the patient to recite the months of the year backwards. A normal result does not exclude delirium, however, and an abnormal result is not specific…

…limit the damage. The choice of drug, the target pressure and the rate of treatment are determined by the affected organ function, not by the…

…which may be a consequence of disturbances in the electrical conduction system. The J point and the ST segment The ST segment must always be…

…The youngest children often display spontaneous movements of limbs, neck and trunk, which may cause disturbances and thus reduce the quality of the ECG recording…

…Pharmacology & dosing Definition and Pathophysiology Bradycardia encompasses a spectrum of rhythm disturbances characterized by an inappropriately slow heart rate. Within the context of acute coronary…

…can be utilized for the analysis of electrolyte levels. Electrocardiography (ECG) serves as a valuable tool for detecting and assessing the severity of electrolyte disturbances…

…Typically, periods of sinus node dysfunction occur after tachyarrhythmia; the combination of tachyarrhythmia and sinus node dysfunction is referred to as tachy brady syndrome . Neurocardiogenic…

…at twice as great a risk of all cause death and cardiovascular death, compared to patients without such disturbances, including those with RBBB and LBBB…

…with symptoms of digitalis toxicity, which manifests across multiple organ systems. Non cardiac symptoms include headache, nausea, vomiting, generalized malaise, and visual disturbances such as…

…dislodgement or fracture of the leads. External causes are less common and include electrolyte disorders, metabolic disorders, hypoxemia, antiarrhythmic drugs, or electromagnetic disturbance caused by…

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

…risk of rebound. The referring physician should have made this decision; document which applies. Nitroglycerin is continued; note it in the report. Shaving and careful…

Arrhythmias and arrhythmology ECG Aberrant ventricular conduction (aberrancy, aberration) Aberrant conduction is not a mechanism of arrhythmia; it is a ventricular conduction disturbance . It is…

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

…trauma and metabolic disturbance. 4. Monitoring at the appropriate level of care , with readiness for respiratory support. 5. Treatment of the alcohol use disorder and…

…or both. The clinical consequences of extracellular volume expansion include elevated cardiac filling pressures, pulmonary congestion, systemic venous hypertension, and peripheral interstitial edema. These abnormalities…

…the occurrence of new onset seizures or coma in a pregnant woman with preeclampsia. HELLP syndrome—haemolysis, elevated liver enzymes or transaminases, and thrombocytopenia—is…

…adequacy of collateral blood flow. Ischaemia initially produces pain and sensory disturbance. With progression, motor dysfunction develops, followed by profound anaesthesia, paralysis, muscle rigidity and…

…but only if the examiner is trained. Brief attacks triggered by the position of the head relative to gravity: perform Dix Hallpike and, if needed…

…both an acidosis and an alkalosis at the same time despite a normal pH. The lungs compensate for a primary metabolic disturbance within minutes by…

…a reduced level of consciousness, seizures, confusion, a change in behaviour, collapse or an acute neurological deficit. Hypoglycaemia can cause hemiparesis, aphasia and radiological changes…

…haemodynamic disturbance. Nevertheless, clinically significant bridging has been associated with exertional angina, myocardial ischaemia, myocardial infarction, ventricular arrhythmias, impaired left ventricular function, myocardial stunning, and…

…left main disease. The examination should nevertheless assess the consequences of extensive myocardial ischaemia, including heart failure, haemodynamic compromise and rhythm disturbance. The source material…

…Depression, low self esteem or body image disturbance The number and severity of obesity related complications generally increase as the degree of obesity rises. Nevertheless…

…low output, or persistent severe symptoms require close monitoring and consideration of invasive haemodynamic assessment when precise measurements are needed to guide therapy. Diagnostics Electrocardiography…

…difficult in the presence of left bundle branch block. This is because left bundle branch block causes substantial changes in left ventricular depolarization and repolarization…

…mL/kg Sodium bicarbonate 50 mmol in hyperkalaemia or tricyclic poisoning 1 mmol/kg Reversible causes: hypoxia, hypovolaemia, hypo /hyperkalaemia and metabolic disturbance, hypothermia, tamponade…

…can precipitate ventricular fibrillation, and cardioversion of fibrillation of unknown duration without anticoagulation can cause a stroke hours to weeks later. Everything else in the…

…complete heart block (third degree AV block) the block may be located anywhere between the atrioventricular node and the bifurcation of the bundle of His…

…afternoon and evening. See the quick reference on inpatient insulin therapy Peptic ulcer A proton pump inhibitor with concomitant NSAID use or a history of…

…reflect a combination of: direct tubular toxicity; renal haemodynamic disturbance and ischaemia; pre existing or concurrent hypovolaemia; cardiac dysfunction or haemodynamic instability; and additional nephrotoxic…