…is a correlation between the severity of electrolyte imbalance and the visible ECG changes. Specific electrolyte disorders 1. Sodium Increased (hypernatremia) and decreased (hyponatremia) sodium…

…reproductive and pregnancy related history. Female specific or female predominant factors associated with later cardiovascular risk include: Premature menopause Premature ovarian insufficiency Hypertensive disorders of…

…because myocardial injury may occur without myocardial ischaemia. Non ischaemic myocardial injury may accompany numerous cardiac and systemic disorders, including: Cardiac causes Systemic causes Heart…

…blood pressure Other cardiovascular risk factors and relevant comorbidities Evidence of hypertension mediated organ damage Existing cardiac, cerebrovascular, or renal disease The possibility of a…

…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…

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

…injury leads to release of cardiac troponin, but troponin elevation is not specific for myocardial infarction. Other conditions may produce cardiomyocyte injury and elevated troponin…

…intraluminal mass and lesion haziness raise suspicion of thrombus, although haziness is not specific. Intravascular imaging can identify plaque disruption, thrombus and other structural features…

…of Brugada syndrome are fairly specific to the disorder, provided that the clinical characteristics are in line with the disorder. There are however other disorders…

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

…an inherited disorder characterized by persistently elevated plasma low density lipoprotein cholesterol (LDL C) from early life and a consequent excess risk of premature atherosclerotic…

…small vessels, multivessel disease, bifurcation lesions, treatment of acute myocardial infarction Procedural and mechanical Stent underexpansion, incomplete wall apposition, residual inflow or outflow disease, edge…

…beats per minute. Note that with a paper speed of 25 mm/s, which is standard in the US and many other countries, a 2…

…pads if the patient is unstable or at marked risk of arrhythmia. 4. Take a full blood count, electrolytes, creatinine, glucose, high sensitivity troponin and…

…of product characteristics: Lederspan specifies 10–20 mg periarticularly in bursitis, tendinitis, tenosynovitis and epicondylitis, and Depo Medrol 4–30 mg into a bursa and…

…Q waves and guidelines do not state any ECG criteria specific to R wave progression. Figure 1. Pathological R wave progression is indicative of previous…

ECG Myocardial ischemia and infarction Lathundar ECG Criteria for ST Elevation Myocardial Infarction (STEMI) The diagnosis of STEMI relies on specific electrocardiographic thresholds for ST…

…a speculum examination of the nose to look for excess mucoid or purulent secretions, inflamed and edematous nasal mucosa, or polyps. Examination of the posterior…

…in the context of the clinical presentation and other findings. A reduced CFR may occur with angiographically insignificant epicardial disease because of abnormalities in the…

…obstruction of the bowel or the urinary tract. Marked bradycardia, sick sinus syndrome or high grade AV block without pacemaker protection. Asthma and other marked…

…maximum of 3 mg . Doses below 0.5 mg can paradoxically worsen the bradycardia and must be avoided. Atropine acts on the sinus node and…

…low density lipoprotein (VLDL) Chylomicrons and other triglyceride rich particles Thus, non HDL C provides a broader estimate of atherogenic cholesterol than LDL C alone…

…The cardiovascular burden of CKD extends beyond CAD to peripheral arterial disease, cerebrovascular disease, valvular heart disease, heart failure, atrial fibrillation, and other arrhythmias or…

…Diagnostics Electrocardiography and Electrophysiology Electrocardiographic evaluation of patients receiving digoxin reveals specific electrophysiologic profiles. Digoxin's autonomic actions largely slow the sinus node discharge rate…

…dysfunction caused by pulmonary embolism Infiltrative cardiomyopathies, particularly cardiac amyloidosis Sepsis and other hyperdynamic states In cardiac amyloidosis, BNP or NT proBNP may be markedly…

…is mediated by the combined effects of hyperglycaemia, hypertension, dyslipidaemia, obesity, smoking and other conventional risk factors, together with diabetes specific vascular and metabolic abnormalities…

…to treat (NNT) for the ACLS specific interventions is much higher or uncertain, meaning that the efficacy of these interventions is much lower or uncertain…

…have specific contraindications: Adenosine, Dipyridamole, Regadenoson : Should be avoided in patients with active bronchospasm, severe hypotension, or high degree AV block. Caffeine and other methylxanthines…

…contraindications, and subject preparations. We will also discuss the relevance of withholding specific cardioactive medications during exercise testing (exercise ECG). Indications for exercise stress test…

…increases the quality of the examination, and allows for standardized comparisons of serial examinations. If pathology is discovered during the standard examination, other examinations (which…

…all other situations, sinus arrest/pause should be considered abnormal, and the following differential diagnoses are at hand: Sinus node dysfunction. Side effects of drugs…

…In STE ACS, on the other hand, the ST segment depressions are secondary findings and the primary findings are the ST segment elevations. As explained…

…the other valves. The area is calculated by measuring the diameter of the valve ( area = π × radius 2 , where radius = diameter/2 ), and…

…the last dose, the renal function and the severity of the bleeding 7 Manage antiplatelet drugs according to their indication. Do not routinely stop aspirin…

…definition of MI. Type 1 MI is generally related to an atherothrombotic event, whereas Types 2–5 MI have other mechanisms of myocardial ischaemia and…

…Biomarkers and Laboratory Findings The source material does not provide information on biomarkers or laboratory findings specific to the evaluation of bradycardia. Treatment and Management…

…ostia. It remains the reference standard for defining the extent of coronary artery disease because it provides anatomical information while permitting functional assessment and, when…

…provide a specific examination profile or diagnostic physical signs for LMCAD. Diagnostic Assessment Coronary angiography Invasive coronary angiography defines: The presence and severity of left…

…or detection of prescribed drugs in blood or urine. The terms “controlled resistant hypertension,” referring to blood pressure controlled with four or more medications, and …

…loss of organized atrial systole. Transesophageal echocardiography and surgical pathology demonstrate that over 90% of thrombi in non valvular AF originate within this specific anatomical…

…however, display both ECG changes and symptoms. Troponins and other biomarkers of myocardial necrosis (infarction) Myocardium can endure 20 to 30 minutes of complete ischemia…

…variations in heart rate are due to variations in the activity of the autonomic nervous system and changes in the automaticity of the sinoatrial node…

…that the origin of the impulse is the same. The sinoatrial (SA) node is the heart’s pacemaker under normal circumstances and the rhythm is…

…the volume, echogenicity and location of the effusion. Regarding the location, an effusion may be general (circumferential) or localized to a specific area. The effusion…

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

…patient (blue) and the corresponding high risk morph (red). Beyond the difference in R wave amplitude, note the slurred terminal portion of the R wave…

…of supraventricular tachycardias (SVTs), usually within 30 seconds. Doses higher than 18 mg are unlikely to revert a tachycardia and should not be used. Specific…

…highlighting specific segments of the left ventricle that demonstrate abnormalities. These tools compare perfusion data to population based reference databases, often adjusted for sex and…

…response and by repeated laboratory measurements, not by the values on admission alone. Diagnosis Current diagnostic criteria According to the international consensus report of 2024…

…develop during acute management. AF is often haemodynamically tolerated and may require no specific acute therapy beyond appropriate anticoagulation and management of ventricular rate. However…

…set the COPD exacerbation apart from many other causes of acute dyspnoea: oxygen must be titrated cautiously and the blood gas determines the need for…

Info Table 1 provides a summary of the indications, contraindications, dosage, administration, warnings, precautions, and other relevant information for the drug Ticagrelor . Table 1 Summary…

…reflects the concentration of circulating atherogenic particles because each apoB containing particle carries one apoB molecule. LDL C, non HDL C and apoB are usually…

ECG Myocardial ischemia and infarction Myocardial ischemia: cellular changes, ECG signs and development of infarction Like all other cells in the human body, cardiac myocytes…

…history, a positive Dix–Hallpike test and the absence of other neurological findings. The treatment is a repositioning manoeuvre. Indications Brief attacks of vertigo, seconds…

…Interactions Pharmacodynamic interactions Anticoagulants, thrombolytics, or other platelet aggregation inhibitors: Salicylates inhibit platelet function and enhance the effect of anticoagulants, increasing bleeding risk. Monitor coagulation…

…and progression of atherosclerotic disease in patients with established coronary or other atherosclerotic vascular disease. Antiplatelet therapy is a central component because platelet activation and…

…one pathway of platelet activation, its antiplatelet effect is relatively limited compared with agents that inhibit other platelet pathways. The distinction between primary and secondary…

…peripheral artery disease (PAD), and other manifestations of systemic atherosclerosis. The principal clinical concern is cerebral embolism or haemodynamic compromise leading to transient ischaemic attack…

…FH). Heterozygous FH results in high LDL cholesterol levels (but nothing else) and increases the risk of acute myocardial infarction by more than 50 times…