…can be used to quantify sodium and potassium intake, preferably while the patient is receiving a stable diuretic dose. Other clinical contexts Secondary causes should…

Myocardial ischemia and infarction Pharmacology & dosing Definition and pathophysiological basis Secondary prevention after myocardial infarction (MI) encompasses long term interventions intended to reduce recurrent infarction…

…combined with ACE inhibitors. Corticosteroids and other NSAIDs: Increased risk of gastrointestinal bleeding when combined with acetylsalicylic acid. Uric acid excretion agents (e.g., probenecid):…

…multidisciplinary secondary prevention intervention for patients with cardiovascular disease, including those recovering from myocardial infarction. It extends beyond exercise training to incorporate individualized physical activity…

…limited compared with agents that inhibit other platelet pathways. The distinction between primary and secondary prevention is fundamental: Primary prevention refers to individuals without established…

…This leads to abnormal LV mechanical function [7]. Furthermore, LBBB significantly complicates the electrocardiographic diagnosis of MI because the resulting secondary ST T changes can…

…reduction of low density lipoprotein cholesterol (LDL C), the primary lipid target in contemporary secondary prevention. Statins inhibit hepatic 3 hydroxy 3 methylglutaryl coenzyme A…

…form of secondary hypertension. Aldosterone acts principally through the mineralocorticoid receptor (MR). After entering target cells, it binds the MR, which translocates to the nucleus…

…mimic pharmacological resistance or contribute directly to persistent hypertension. Resistant hypertension is associated with a higher likelihood of secondary hypertension and with substantially greater cardiovascular…

…individuals are most likely to benefit from preventive drug therapy. Secondary prevention Although outside the principal scope of primary prevention, secondary prevention provides an important…

…predictors in prediction models. Targeting risk factors has been very successful in the primary and secondary prevention of atherosclerotic cardiovascular disease, both at the population…

…hours Dexamethasone 0.75 mg None Long, 36–54 hours The equivalences apply to the anti inflammatory effect. They say nothing about the mineralocorticoid effect…

…hyperkalaemia, postural symptoms. Suspected secondary adrenal insufficiency in pituitary disease, after pituitary surgery or radiotherapy, or with suspected suppression of the HPA axis after long…

…at 5 minutes and be escalated without unnecessary pauses [1]. The aims are, simultaneously, to: 1. terminate clinical and electrographic seizure activity, 2. secure oxygenation…

…heart failure armamentarium. Its use has declined over time due to the advent of more efficacious agents with wider therapeutic to toxic windows, and its…

…HIV, antiretroviral therapy may contribute to HTG. Reducing alcohol and carbohydrate intake, and considering a switch to antiretroviral agents with less adverse lipid effects, may…

Myocardial ischemia and infarction Definition and Pathophysiology Left main coronary artery disease (LMCAD) refers to atherosclerotic narrowing of the left main coronary artery, which supplies…

…and treatment goals Diabetes, left ventricular function and other comorbidities Surgical risk and contraindications to prolonged dual antiplatelet therapy Patient preferences, local expertise and operator…

…to life threatening ventricular arrhythmias and therefore QT duration must always be assessed. QT prolongation may be congenital (due to genetic mutations) or acquired (secondary…

…other inhaled nicotine products. In cardiovascular medicine, the objective is not merely to reduce cigarette consumption but to achieve complete abstinence from tobacco and ultimately…

…multiple QT prolonging medications, and drug accumulation secondary to renal or hepatic impairment or the inhibition of cytochrome P450 metabolism [1]. Nonmodifiable risk factors encompass…

…the remaining ones are malignant. • Secondary cardiac tumours have spread to the heart by metastasis or invasion from surrounding tissue. Differential Diagnostics There are several…

…cardiomyopathy Takotsubo cardiomyopathy Tachycardia induced cardiomyopathy Non compaction cardiomyopathy Peripartum cardiomyopathy Cardiomyopathy secondary to valvular heart disease Long term prognosis varies markedly across these conditions…

…severe disturbance of ventricular repolarization, which usually prevents other ST T changes (such as those arising from ischemia) to come to expression on ECG. Therefore…

…This is due to altered tone in the autonomic nervous system, with increased sympathetic input (leading to stimulation of beta adrenergic receptors) and parasympathetic withdrawal…

ECG Myocardial ischemia and infarction ST segment depression due to acute myocardial ischemia ST segment depressions caused by ischemia are characterized by a horizontal or…

…prompt investigation for sleep apnoea, renal disease and secondary hypertension, and lead to one dose being moved to the evening. The fall can only be…

…ABI or follow up 0.41–0.90 Peripheral arterial disease, mild to moderate Secondary prevention, walking exercise ≤ 0.40 Severe ischaemia Urgent vascular surgical…

…the bleeding 7 Manage antiplatelet drugs according to their indication. Do not routinely stop aspirin given as secondary prevention 8 Contact the endoscopist and the…

…is thought to involve the sensitization of sensory nerve endings due to the accumulation of bradykinin. ACE is responsible for metabolizing bradykinin and other tachykinins…

…for an underlying secondary cause. Evaluation and physical examination Standardized office measurement Accurate technique is essential because inconsistent or incorrect measurement may lead to misclassification…

…or secondary arrhythmias result from the slow rate. In the setting of bradyarrhythmic or asystolic arrest, management priorities shift to establishing control of cardiorespiratory status…

…970 patients at high cardiovascular risk who were unable or unwilling to take statins. Approximately 70% were in secondary prevention and 30% in primary prevention…

…not reduce cardiovascular outcomes, and several other agents, including pexelizumab, losmapimod and darapladib, failed to demonstrate clinical benefit in the settings studied. Clinical application and…

…methods may also contribute. The cardioprotective effect is therefore likely to result from the cumulative influence of multiple modest dietary changes. Mediterranean type diets provide…

…or other vascular disease. A history of myocardial infarction or raised cholesterol among relatives. The presence of tendon xanthomas, corneal arcus and xanthelasma. Potential secondary…

…worse outcomes. Pulmonary hypertension secondary to left heart disease may occur because elevated left sided filling pressures are transmitted to the pulmonary circulation. Persistent pulmonary…

…combined dyslipidaemia, non HDL C is particularly relevant because it captures triglyceride rich lipoproteins in addition to LDL and other apoB containing particles. Cardiovascular risk…

…peripartum cardiomyopathy, or secondary to known cardiac conditions; in these patients, symptoms may be challenging to differentiate from normal physiological changes of pregnancy. Evaluation and…

…loss of independence. Identification of PAD also provides an opportunity to recognise atherosclerosis in other arterial territories and to initiate secondary prevention. Clinical assessment should…

ECG Introduction to ECG interpretation Lathundar The Cardiac Electrical Axis: Definition, Clinical Implications, and Deviations Definition and Mechanism of the Electrical Axis The heart's…

…of the QRS complex. Due to this it is sometimes recommended that ST segment deviation be measured in the J 60 point, or J 80…

…presumably due to a mismatch between the expansion of contractile cells as compared with conduction cells. Therefore it is very common to observe secondary ST…

…lithium, thiazide diuretics, D vitamin and calcium overdose. ECG changes due to hypercalcemia Common ECG changes Shortened QT interval. Lengthened QRS duration. Bradycardia may occur…

…reason, R wave peak time may also be prolonged. This prolongation may also be due to myocardial fibrosis which is typical in hypertrophy. Finally, the…

…or secondary contributor [8] . Pathophysiology and mechanisms The pathophysiological paradigm of HFpEF has shifted dramatically from the historical concept of isolated "diastolic dysfunction" to a…

…Secondary ST T changes occur invariably in the presence of LBBB. The following ECG criteria and characteristics are used to diagnose LBBB: QRS duration ≥0…

…renal replacement therapy. The study found no significant differences between the two treatment groups with respect to either the primary or secondary outcomes. Primary outcome…

…Secondary ST T changes during pre excitation As mentioned in Chapter 1, pre excitation causes secondary ST T changes. This is due to the fact…

…Refer to Figure 2 . Figure 2. The complete compensatory pause following a premature ventricular contraction. Classification of premature ventricular contractions When every other beat on…

…and rightward. Due to the abnormal depolarization sequence of the right ventricle in RBBB, repolarization is also abnormal, leading to secondary ST T changes, which…

…bundle branch block (RBBB). Secondary ST T changes are common in V1–V3. The ST T segment is usually discordant to the QRS complex. V5…

…origin. The ventricular rate is between 20 to 40 beats per minute and the rhythm is regular. There is always secondary ST T changes, meaning…

…requiring termination earlier due to hemodynamic collapse [4] . Sustained VT is a medical emergency that universally warrants acute intervention and long term secondary prevention strategies…

…or mechanical prostheses. The former is preferred due to the lower risk of thrombosis and evidence demonstrating long term durability (Filsoufi et al). Percutaneous interventions…