…least one of the following: Symptoms of myocardial ischaemia. New ischaemic ECG changes. New pathological Q waves. Imaging evidence of new loss of viable myocardium…

…amounts of pericardial effusion may not cause any ECG changes. Significant pericardial effusion may bring about the following ECG changes.: Low voltage: large amounts of…

…ECG Conventional surface ECG can reveal the following types of pacemaker dysfunction: Failure to capture (FTC) , which means that the pacemaker stimulations do not result…

…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…

…A compensated simple disorder, or two opposing primary disorders It is therefore not enough to ask which of the pCO₂ and the HCO₃ deviates most…

…No single pain descriptor is diagnostic. The severity of pain also has limited discriminatory value. Features suggesting myocardial ischaemia Ischaemic discomfort commonly: Is substernal and…

…2010 ). At the time of J 60 and J 80, there is minimal chance that there are any electrical potential differences in the myocardium. Current…

…results in thickening of the leaflets and may coexist with mitral stenosis. Idiopathic degeneration (Barlow's disease), degeneration associated with connective tissue disorders (Marfan syndrome…

…The operator should have an elbow rest, and also avoid bending the back during the examination. Work related musculoskeletal disorders are a common cause of…

…with neuroleptic and anti histamine properties. Sleep disorder Aceprometazine is often used in combination with meprobamate for the treatment of sleep disorders. <a href="http:/…

…from sudden cardiac death. Atrial fibrillation and ventricular arrhythmias were observed in the fifth decade of life in several family members. Imaging studies did not…

…with later cardiovascular risk include: Premature menopause Premature ovarian insufficiency Hypertensive disorders of pregnancy Preeclampsia Preterm delivery Gestational diabetes Small for gestational age delivery Placental…

…fibrosis, thereby increasing the risk of ventricular arrhythmias. Clinical Presentation and Symptoms Patients with bradycardia or intermittent conduction disorders frequently present with presyncope or syncope…

…electrolyte disorders). QT duration is inversely related to heart rate; QT duration increases at slow heart rates and vice versa . Hence, the QT duration must…

…thromboembolic disorders. Most recognised heritable cardiovascular conditions demonstrate autosomal dominant transmission, in which an affected heterozygous individual has a 50% risk of transmitting the relevant…

…Reliance on hypokalaemia alone therefore misses a substantial proportion of cases. The cardiorenal and cerebrovascular consequences of unrecognized PA make early case detection clinically important…

…of serious arrhythmias. This is possible because there is a correlation between the severity of electrolyte imbalance and the visible ECG changes. Specific electrolyte disorders…

…impression of indigestion. STEMI pain can simulate pain from acute pericarditis, pulmonary embolism, acute aortic dissection, costochondritis, and gastrointestinal disorders. Radiation of discomfort to the…

…adults with elevated blood pressure (BP), in whom absolute cardiovascular risk varies considerably according to age and the presence of concomitant risk factors. In contrast…

…impairment to develop, leaving persistent hypertension despite correction of the initiating disorder. Earlier diagnosis is associated with a greater likelihood of cure. When to investigate…

…acute coronary disorder caused by separation within the coronary arterial wall, usually through formation of an intramural haematoma that compresses the true lumen. The resulting…

…personal or family history of muscle disorders Acute infection Renal or hepatic impairment Hypothyroidism Vitamin D deficiency Concomitant interacting medications The SLCO1B1 rs4149056 polymorphism is…

…is the predominant cause, accounting for approximately 60% of HFrEF cases in Western populations [14] . Non ischemic etiologies encompass a highly heterogeneous group of disorders…

…coronary disorders. The investigation should be undertaken when its diagnostic or therapeutic consequences are likely to outweigh procedural risks. This balance forms part of shared…

…are not apparent on conventional angiography. Coronary vasomotor disorders may involve epicardial spasm or abnormalities of the coronary microcirculation. Microvascular angina reflects myocardial ischaemia caused…

…also present in individuals without identifiable cardiac disease. Contributing factors include pulmonary disorders, particularly obstructive pulmonary disease, the use of theophylline, and elevated catecholamine states…

…The following arrhythmias are discussed in this chapter: Ventricular rhythm Accelerated ventricular rhythm , which is also called idioventricular rhythm . The hallmark of all ventricular rhythms…

…electrolyte disorders , congenital heart disease and catecholamine induced ventricular tachycardia . The vast majority of patients with ventricular tachycardia either have coronary artery disease (ischemic heart…

…Prophylaxis against recurrence of cerebrovascular disease: 75–80 mg tablet once daily. Warnings and precautions Use Aspirin with caution in the following cases: Concurrent anticoagulant…

…Electrolyte disorders, acidosis, hypoxemia and ischemia all aggravate the risk of developing ventricular fibrillation, in any situation. ECG features of ventricular fibrillation The ECG shows…

…Behçet disease can cause both arterial and venous thrombosis. In SLE, renal artery involvement may contribute to difficult to control hypertension. The cardiovascular consequences of

…vasomotor disorders. Endothelial activation can promote the release of adhesion molecules, inflammatory cytokines, and vasoconstricting mediators, producing abnormal vascular responses and potentially increasing the future…

…total of 4 6 mEq/L in 24 hours may be targeted. Chronic Hyponatremia ( 48 hours duration): Due to cellular adaptations, rapid correction carries the…

…respiratory disorders, notably obstructive sleep apnoea (OSA) and obesity hypoventilation syndrome, which further increase cardiovascular burden. Obesity may be a particularly important cause of HF…

…presentation of Brugada syndrome Most patients are asymptomatic until the age of 20 to 55 years. The disorder may manifest with any of the following…

…suggesting an autoimmune disorder or known malignancy may suggest specific, nonidiopathic etiologies [2]. Summary of Pain Characteristics The following table synthesizes the key differential diagnoses…

…a disorder of autonomic reflexes. It typically occurs after attaining an upright posture or following painful stimuli and emotional stress. By the age of 60…

…symptoms The following symptoms indicate hyponatraemic encephalopathy and warrant immediate treatment in the absence of another obvious explanation: Seizures A deeply reduced level of consciousness…

…adventitial disease and trauma. Atherosclerotic PAD is a manifestation of systemic arterial disease rather than an isolated disorder of the lower limbs. Patients frequently have…

…therefore not simply a disorder of lipid storage. Its biology includes: accumulation and modification of lipids within the intima; recruitment of innate and adaptive inflammatory…

…despite the absence of a flow limiting epicardial coronary stenosis. It is therefore a disorder of coronary microvascular perfusion rather than persistent obstruction of the…

…tremor palpitations hunger anxiety pallor paraesthesiae Neuroglycopenic symptoms An inadequate supply of glucose to the brain can cause: difficulty concentrating irritability or abnormal behaviour slurred…

…and hyperthyroidism; follow up and investigation of the cause of increased flow are appropriate. Exercise PH is defined by an mPAP/cardiac output slope greater…

…to second hand smoke. Use of cannabis, electronic cigarettes or other inhaled products. Readiness to attempt cessation. Depression, schizophrenia, schizoaffective disorder, HIV infection or other…

…4. Monitoring at the appropriate level of care , with readiness for respiratory support. 5. Treatment of the alcohol use disorder and planned follow up , not…

…over extensor tendons, are characteristic clinical manifestations of untreated FH and may develop when the disorder is not recognized early in life. Corneal arcus and…

…follow. Consider people with the genetic disorder familial hypercholesterolemia (FH), which is caused by genetic mutations affecting the elimination of LDL cholesterol from the blood…

…Epidemiological aspects of hypertrophic cardiomyopathy (HCM) Hypertrophic cardiomyopathy is equally common among men and women. The prevalence in a Western population is approximately 0.2…

…protein misfolding disorder characterized by the extracellular deposition of misfolded fibrillar proteins in the myocardium, leading to a diffuse infiltrative cardiomyopathy [8, 15]. The deposited…

…ECG examples of each condition are presented below. The ECG in Brugada syndrome Brugada syndrome is a rare channelopathy (an electrical disorder caused by mutations…

…on left ventricular ejection fraction (LVEF). Heart failure with reduced ejection fraction (HFrEF) is defined by the combination of symptoms, with or without physical signs…