…and vice versa. The pathophysiological explanation for this may be a general degeneration of the atrial conduction system. Individuals with atrial fibrillation and bradycardia have…

…prophylactic intubation reduces aspiration or mortality. It has on the contrary been associated with more pneumonia and a longer stay, although the results are influenced…

…cover specific diagnostic modalities such as ECG, imaging, or electrophysiology in relation to ACE inhibitor therapy. Biomarkers and Laboratory Findings Monitoring renal function and potassium…

…Older people, the immunosuppressed and patients with renal or hepatic failure can have subtle symptoms. Findings that suggest acute organ dysfunction Organ or system Finding…

…binary distinction between normotension and hypertension. Its long term relationship with cardiovascular risk is therefore graded, although practical clinical care requires diagnostic and treatment thresholds…

…PCI can be performed within 120 minutes of the STEMI diagnosis. With a longer expected delay and a symptom duration of less than 12 hours…

…and Physical Examination The source material does not provide specific details regarding the physical examination maneuvers for patients with bradycardia. Diagnostics Electrocardiography and Ambulatory Monitoring…

…infection, surgery, trauma and old age. A positive value is not a diagnosis. Risk grading in confirmed pulmonary embolism Risk Haemodynamics Right ventricular strain (echo…

…those with resistant hypertension, including older age, Black ethnicity, elevated body mass index, diabetes, or chronic kidney disease. Evaluation and Physical Examination The diagnostic assessment…

…approximately 20–50%. Their greater analytical sensitivity improves diagnostic accuracy and negative predictive value in patients with suspected acute coronary syndrome (ACS). Cardiac troponin is…

…ECG (ST) monitoring in order to detect such dynamics. ST segment elevations with concave ST segment Concave ST segment elevations pose a diagnostic challenge (Figure…

…biventricular pacing for haemodynamic stability. In patients with resynchronization devices, maintaining CRT during surgery is recommended to provide better haemodynamic stability. Define the operative electrical…

…and increased thrombin generation. The clinical consequence of this triad is severe: cardioembolic strokes associated with AF are typically larger, present with more severe neurological…

…standard formulas. Therefore, while MAP is a valuable indicator of hemodynamic status, it should be interpreted in conjunction with other clinical assessments and diagnostic information.

…Monitoring with ECG, blood pressure and saturation throughout the investigation. Explain to the patient what is going to happen and that the most important thing…

…and traumatic haemopericardium — these require surgery; pericardiocentesis is at best a bridge to it. A small (under 10 mm), loculated or purely posterior effusion with…

…Evaluation and Physical Examination The source material does not cover the baseline physical examination of patients prior to sotalol initiation. Diagnostics Electrocardiography (ECG) Electrocardiographic monitoring…

…ECG and blood pressure monitoring and must be avoided in patients with carotid bruits, possible or known plaques, or stenosis. Diagnostics Electrocardiogram and Cardiac Monitoring…

…and referral to an expert centre with advanced heart failure care capabilities, including mechanical circulatory support and transplantation, is warranted. Diagnostics Hemodynamic and functional monitoring…

…Patients with hypotension, marked low output, or persistent severe symptoms require close monitoring and consideration of invasive haemodynamic assessment when precise measurements are needed to…

…four weeks predicts healing — failure to shrink should prompt reconsideration of the diagnosis. 3. Palpate the pulses and measure the ankle brachial index with Doppler…

…It requires special equipment and monitoring The nasal cannula, the simple mask and the reservoir mask deliver an FiO2 that varies with the patient's…

…depression, or untreated severe respiratory failure without the possibility of monitoring. Paralytic ileus and suspected obstructive ileus (an opioid can be given for the pain…

…B ECG monitoring should start immediately and a defibrillator must be ready. I B Consider connecting leads V7, V8 and V9 in patients with high…

…be performed without atropine, ECG monitoring and access to airway support. Indications Clinically suspected myasthenia gravis in a patient with clear, objectively verifiable fatigable symptoms…

…calculate this ratio, guiding clinical decisions about intervention or monitoring. Below, we outline the methodology and clinical applications of shunt fraction calculation. Echocardiographic Calculation of…

…The diagnosis requires elevated levels of cardiac troponins. In addition to elevated troponins, the patient must display either symptoms or ECG changes consistent with myocardial…

…threatening diagnoses rapidly, and select a safe disposition and diagnostic strategy. Only a minority of patients presenting with acute chest pain ultimately have ACS; reported…

…need for a structured and guideline directed approach. This chapter focuses on practical diagnostic and therapeutic considerations, with recommendations aligned with current guidelines from both…

…part of shared clinical decision making. Pathophysiological and Diagnostic Considerations Angiographic severity and physiological severity do not always correspond. Visual estimation of luminal narrowing may…

…high shear conditions. Disruption of an atherosclerotic plaque or injury associated with PCI exposes thrombogenic material, promoting platelet activation, aggregation, and fibrin formation. Within a…

…an INR above 1.5 and a platelet count below 50 × 10⁹/L before drain insertion, while diagnostic aspiration with a fine needle is tolerated…

…within 120 minutes of diagnosis; and there are no contraindications to fibrinolytic therapy. Treatment should begin as soon as possible, with a target of less…

…the general sense; the decision depends on balancing the expected diagnostic or therapeutic benefit against the patient’s specific procedural risks. Vascular access and access…

…population and diagnostic criteria. MINOCA accounts for approximately 1–14% of ACS presentations in different series and approximately 5–10% of patients presenting with myocardial…

…or are associated with high event risk. The apparent differences between thresholds reflect different guideline frameworks and clinical pathways rather than a single universal classification…

…arrhythmias, and heart failure are among the conditions associated with myocardial injury. Relationship to chronic coronary syndromes Chronic coronary syndromes (CCS) describe stable period clinical…

…resolved. Capillary measurement of beta hydroxybutyrate has high diagnostic accuracy [2]. A venous blood gas is generally sufficient for the assessment of pH and bicarbonate…

…or shave Diagnostic biopsy before definitive surgery Inflammatory dermatosis 4 mm punch from the active edge, not from the centre Include epidermis and dermis Bullous…

…men and 460 ms for women. While there is no absolute QTc threshold at which TdP occurs, a QTc ≥ 500 ms is associated with a…

…are associated with similar clinical settings and frequently coexist in the same patient population. AF can act as a trigger for atrial flutter, and the…

…associated with exertional angina, myocardial ischaemia, myocardial infarction, ventricular arrhythmias, impaired left ventricular function, myocardial stunning, and sudden cardiac death. It may also be associated…

…related to insulin resistance and the risk of diabetes and cardiovascular disease than total adiposity alone. The waist circumference associated with risk varies among populations…

…a benign diagnosis. ANOCA/INOCA is associated with recurrent symptoms, impaired quality of life, repeated hospital presentations and angiography, and increased short and long term…

…configuration and adequacy of collateral channels. Additional features associated with greater difficulty include a previously failed attempt, a blunt proximal stump, vessel bending, calcification and…

…Type 4c MI: MI associated with in stent restenosis. Type 5 MI: MI related to CABG. Type 4b and type 4c events fulfil the criteria…

…diagnostic test can distinguish a pharmacological SAMS effect from a nocebo response. Predisposing factors The likelihood of SAMS increases with higher statin doses and with…

…hypertension, cardiomyopathy and coarctation of the aorta. There are several ECG indexes, which generally have high diagnostic specificity but low sensitivity. These indexes were developed…

…Assessment should integrate the history, physical examination, laboratory data and diagnostic testing. Examination for congestion Useful bedside indicators of persistent or improving congestion include: J

…The following table summarizes the common diagnostic criteria for complete and incomplete LBBB: Feature Complete LBBB Incomplete LBBB QRS Duration $\ge 120$ msec [3…

…Myocardial ischemia and infarction Definition and Pathophysiology ST segment elevation myocardial infarction (STEMI) is an acute myocardial infarction associated with a working diagnosis of persistent…

…the hemodynamic significance of a coronary lesion, with anatomic and functional assessment discordant in a substantial minority of intermediate lesions. Over the past three decades…

…dependent and its diagnostic performance is influenced by image quality and local expertise. Clinical Presentation and Indications Stress echocardiography is used in patients with suspected…

…inconclusive. The principal diagnostic strength of CCTA is its ability to exclude significant anatomical CAD with high sensitivity and a high negative predictive value, particularly…

…with diagnostic interpretation reserved for appropriately selected patients. Pathophysiological basis Exercise progressively increases myocardial oxygen demand through increases in heart rate, myocardial contractility and blood…

…remnant lipoproteins and insulin resistance are associated with atherosclerotic cardiovascular disease (ASCVD), particularly in peripheral arterial disease. The relationship between triglyceride concentrations and aortic disease…

…clinical and relies on the temporal association of the cough with the medication. Specific diagnostic criteria for cough hypersensitivity syndrome are lacking; the diagnosis is…

…TIA) or stroke. The risk associated with asymptomatic disease depends substantially on stenosis severity and plaque characteristics. In the general population, the prevalence of asymptomatic…

…In patients with pericarditis complicated by constriction, symptoms and signs of right sided heart failure may predominate. Pericardial effusions associated with post infarction pericarditis are…

…Endocrinology & metabolism Definition and Pathophysiology Type 2 diabetes mellitus (T2DM) is a major cardiovascular risk condition. It is associated with a two to four fold…