…is required. Patients with suggestive symptoms, signs or a medical history indicating possible secondary hypertension should undergo appropriate screening for an underlying secondary cause. Evaluation…

…material. Clinical Presentation and Symptoms Aortic dissection is an uncommon cause of acute chest pain but carries a particularly high mortality when diagnosis is delayed…

Cardiology Diagnosis and treatment of bradycardia (bradyarrhythmia) Acute bradycardia with hemodynamic instability Acute bradycardia with hemodynamic effects is a potentially life threatening condition and should…

…by bradycardia. Most cases involve a mixed response of both hypotension and bradycardia. However, some patients exhibit a primary cardioinhibitory response with pronounced bradycardia. Most…

…of AV blocks (AV block 1, 2 & 3) Evaluation of patients with suspected AV blocks requires a thorough medical history (with emphasis on causes of…

…and ischemia causes a state similar to SIRS (systemic inflammatory response syndrome) with risk of disseminated intravascular coagulation, hypotension, impaired vasoregulation, etc. With regard to…

…most important dangerous differential diagnosis. Clear focal neurological findings are absent in roughly half of patients with a central cause. A normal routine neurological examination…

…myocardial perfusion imaging Diagnosis of coronary artery disease (CAD) : Myocardial perfusion imaging can confirm or rule out CAD in patients with symptoms suggestive of CAD…

…or general evaluation of patients with bradycardia. Diagnostics Electrocardiographic assessment is fundamental to the diagnosis and management of bradyarrhythmias. In the setting of cardiac arrest…

…R. Open chest versus closed chest cardiopulmonary resuscitation in trauma patients with signs of life of life hospital arrival upon arrival: a retrospective multicenter study…

…COPD. Adenosine has caused mild to moderate exacerbation of asthma symptoms. Adenosine should be used with caution in patients with obstructive lung disease or asthma…

…diagnostic pathway. The unstable patient Hypotension (systolic < 90 mmHg for 15 minutes, or a need for a vasopressor), obstructive shock or cardiac arrest with…

…patients with subacute tamponade may initially remain normotensive or even hypertensive because of compensatory mechanisms. Beck’s Triad The classical clinical triad consists of: Hypotension…

…stressor superimposed on the patient's baseline cardiovascular state. For instance, a patient with stable CAD may present with clinical manifestations of myocardial ischaemia following…

…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…

…the fact that the sickest patients are more often intubated [4]. Intubation is reasonable in: a reduced level of consciousness with inadequate protective reflexes active…

…support . At the same time, exacerbation is a clinical syndromic diagnosis, not a sufficient explanation for all acute dyspnoea in a patient with COPD. Pneumonia…

…with symptoms despite medical treatment. Diagnostic drainage in suspected purulent pericarditis, tuberculosis or malignancy. Tamponade is a clinical diagnosis supported by echocardiography: Finding Comment : : Hypotension…

…suspected myasthenia gravis in a patient with clear, objectively verifiable fatigable symptoms. Assessment of whether residual weakness in a patient with known myasthenia responds to…

…wait for a complete diagnosis or for grading. Antihistamines, corticosteroids, inhaled bronchodilators and nebulised adrenaline never replace intramuscular adrenaline [1,2]. Delayed administration of adrenaline…

…Thus, a patient may have acute myocardial injury without having an infarction. The degree of troponin elevation does not by itself establish the mechanism. Increased…

…That question determines the diagnosis, and it is asked of a patient who is haemodynamically stable enough for there to be time to ask it…

…The abdomen of a patient on corticosteroids can be silent despite perforation. Sources Endocrine Society clinical practice guideline on the diagnosis and treatment of primary…

…the posterior descending artery (PDA) in a left dominant circulation (i.e. 10 15% of cases). Clinically, patients present with severe chest pain, diaphoresis, hypotension…

…gas with lactate, two sets of blood cultures, and a culture from the likely focus 0 to 15 min Ringer's acetate for hypotension or…

…renal function, and potassium should be evaluated within 1 to 2 weeks after initiation of ACE inhibitors, especially in patients with preexisting azotemia, hypotension, hyponatremia…

…the management of heart failure, digoxin improves hemodynamics without increasing heart rate or decreasing blood pressure, making it a consideration for patients with low blood…

…contrast agents, and accurately identifies abdominal aortic enlargement. Screening reduces aneurysm related mortality in populations with a high prevalence of AAA, particularly older male smoke

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

…administration of diuretics and vasodilators. Clinically, these patients exhibit hypotension—often with a systolic blood pressure less than 90 mmHg—accompanied by signs of poor…

…elderly, or patients with diabetes [4]. Associated Findings: The sudden onset of symptoms coupled with diaphoresis should always raise concern for a cardiovascular cause [4]…

…account for approximately half of patients with symptomatic HF. The distinction is clinically useful but not absolute. Ejection fraction is a continuous variable and echocardiographic…

…perception in patients without demonstrable ischaemia. The absence of obstructive disease therefore does not establish a benign diagnosis. ANOCA/INOCA is associated with recurrent symptoms…

…a few likely diagnoses. The table below shows a systematic history taking in patients presenting with chest pain (chest discomfort) or other symptoms suggestive of…

…been fraught with controversies, particularly regarding the risk stratification of asymptomatic patients, the prognostic utility of electrophysiological studies (EPS), and the transition from a purely…

…quality of life. Approximately half of all patients with heart failure die suddenly, as a result of ventricular arrhythmias (ventricular tachycardia, ventricular fibrillation). Early diagnosis…

…that the patient actually has endocarditis (this the probability should be estimated before echocardiography is performed). Among patients with a very high probability of endocarditis…

…of diagnostic tests, and treatment strategies have been updated. For example, exercise stress testing is no longer recommended in the initial evaluation of patients with…

…angina pectoris. The location of the pain beneath the xiphoid and epigastrium, combined with patient denial, often leads to a mistaken impression of indigestion. STEMI…

…and atypical disease Fewer than half of patients with PAD have typical symptoms. Many have impaired walking or a slow gait without describing classic claudication…

…reperfusion therapy. This approach fails to identify a substantial proportion of patients with acute coronary occlusion (ACO) who present without diagnostic ST elevation, often resulting…

…troponin levels are normal in patients with NSTE ACS, the condition is classified as unstable angina (UA) . Please refer to Diagnostic Criteria for Myocardial Infarction…

…communities. Late presentation is clinically important: Within 12 hours of symptom onset: reperfusion therapy is recommended for all patients with a working diagnosis of STEMI…

…A patient with persistently mildly reduced systolic function. This dynamic nature makes prior imaging particularly important when interpreting a current LVEF of 41–49%. Diagnostic…

…spectrum of non ST elevation acute coronary syndrome (NSTE ACS). The clinical spectrum includes patients with a confirmed NSTEMI, patients with a working diagnosis of…

…start immediately and a defibrillator must be ready. I B Consider connecting leads V7, V8 and V9 in patients with high suspicion of posterior acute…

…clinical populations include only a minority with symptoms having all of the traditional aggravating and relieving characteristics of angina; many patients report less characteristic symptoms…

…can shorten the time to diagnosis and facilitate triage of patients with suspected ST segment elevation myocardial infarction to a percutaneous coronary intervention capable hospital…

…than patients with atherosclerotic mediated myocardial infarction. A history of cigarette smoking may be present despite relatively few other conventional atherosclerotic risk factors. A substantial…

…management of patients with acute STEMI. Although ECG changes in acute STEMI have been discussed previously (refer to ECG Changes in Acute Myocardial Infarction), a…

…associated with coronary artery bypass grafting (CABG). Clinical Presentation and Symptoms The diagnosis of an acute MI remains a comprehensive clinical diagnosis based on patient…

…establish a significant increase in late morbidity or mortality attributable to these events. Clinical presentation and symptoms Most patients with stent thrombosis present with ACS…

…Establishing a diagnosis of Q wave infarction requires that pathological Q waves be present in at least two anatomically contiguous leads. In patients with STEMI…

…NSTEMI) and Unstable Angina (UA) The focus of this chapter is the diagnosis and management of patients with Non ST Elevation Myocardial Infarction (NSTEMI) and…

…availability of hepatic LDL receptors. Rare biallelic variants in LDLRAP1, which impair LDL receptor endocytosis and produce an FH like phenotype. Individuals with a single…

…not every patient with an initial STEMI pattern has myocardial infarction as the final diagnosis. The underlying process usually involves acute thrombotic obstruction of an…

…be discovered. Diagnosis of this syndrome is based on ECG, family history and clinical presentation. Patients present with syncope, early onset of atrial fibrillation, ventricular…

…1 and 3 minutes of standing in older patients, patients with diabetes and anyone with dizziness Definitions White coat hypertension: a raised office reading but…

…of morbidity in patients with structural heart disease, VT necessitates a nuanced, multidisciplinary approach to diagnosis and management. Over the past decade, the landscape of…

…provide a more accurate assessment of atherogenic burden than LDL cholesterol alone in patients with diabetes. Insulin resistance is accompanied by compensatory hyperinsulinaemia and, with…