…may wish to view the video lecture on The ST segment, J point, J 60 point and T wave to facilitate understanding of this chapter…

…IV Exacerbation of COPD with an indication for antibiotics amoxicillin 750 mg × 3 PO 5–7 days or doxycycline 200 mg × 1 on day 1…

…Cystatin C based eGFR With an atypical muscle mass, or to confirm a creatinine based value The mean of creatinine and cystatin C The most…

…obstruction: Buttock, hip or thigh symptoms suggest aortoiliac disease. Calf symptoms are typical of femoropopliteal disease. More distal disease may cause foot symptoms, although lower…

…influence of antiarrhythmic drugs—can produce atypical ECG patterns. Conversely, upper loop reentry can mimic a typical flutter ECG pattern without being dependent on the…

…cardiac . The term “atypical” is discouraged because it may understate the possibility of ischaemia. A focused history should establish: Quality of the discomfort. Location and…

…including rest or medication. Time of day and temporal pattern. Change in frequency, severity, or exercise threshold. Potential anginal equivalents include: Dyspnoea on exertion. Fatigue…

…manifestations of myocardial ischaemia. In pregnancy, the clinical presentation of ACS is generally similar to that in non pregnant patients, although symptoms may be atypical…

…any time, although clustering in the morning within several hours of awakening has been described. Atypical and painless presentations Pain is not universal. Painless STEMI…

…atypical chest pain (30%) and dyspnea (10%). The major ECG findings in ARVC are T wave inversion in V1–V3 (in the absence of right…

…Figure 1. Types of ST segment elevations on ECG. Current guideline criteria for ischemic ST segment elevation: New ST segment elevations in at least two…

…and UA hinges entirely on the presence of myocardial necrosis. NSTEMI is confirmed by a typical rise and/or fall of high sensitivity cardiac troponin…

…In these conditions, involvement of the AVN and the conduction system occurs more often than sinus node involvement, and atrioventricular block (AVB) may indicate septal…

…showing apical ballooning akinesis with basal hyperkinesis in a characteristic takotsubo ventricle. Studies from the US and Japan has estimated that up to 2% of…

CPR Hyperthermia and malignant hyperthermia Hyperthermia is characterized by a body temperature exceeding the typical range of 36.5 37.6°C (97.7 99.7°F)…

…is an emergency. Infection can progress rapidly, while the typical local signs of inflammation may be faint or absent. Take cultures immediately, but never let…

…apical dysfunction, LV aneurysm formation, and reduced LV systolic function. The principal mechanisms are the combination of an abnormal thrombogenic endocardial surface and blood stasis…

…but only if the examiner is trained. Brief attacks triggered by the position of the head relative to gravity: perform Dix Hallpike and, if needed…

…allergen , even if skin symptoms are absent [1,4]. Typical warning symptoms are: hoarseness, stridor, swelling of the tongue or throat dyspnoea, hypoxia, bronchospasm or…

…may therefore underestimate the ketosis early on and remain positive after the clinically relevant ketosis has resolved. Capillary measurement of beta hydroxybutyrate has high diagnostic…

…and 5 minutes of compression. Anticoagulant treatment is not in itself a bar to vaccination. Relative: Lymphoedema or previous axillary clearance on the same side…

…Summary of Pain Characteristics The following table synthesizes the key differential diagnoses and their characteristic pain patterns based on the provided context. Condition Typical Pain…

…cause: Diminished heart sounds Disappearance of the friction rub Loss of the apical impulse Electrical alternans on the ECG Compression of the left lung base

…presentation and symptoms Clinically important RVI is characterized by manifestations of severe right ventricular failure. Typical findings include: Jugular venous distension Kussmaul’s sign Hepatomegaly…

…pool, numerous macrophages or foam cells, and a thin fibrous cap. Disruption of the cap exposes the lipid core and extracellular matrix to circulating blood…

…occur in one patient. The typical depiction of sudden cardiac death as a gradual transition from sinus rhythm to ventricular tachycardia (VT), to ventricular fibrillation…

…apical four chamber view (A4C) using pulsed Doppler. The sample volume (SV) should be placed between the leaflet tips (1–3 mm axial length of…

…Below follows a discussion on the principles and differences of dilatation and hypertrophy, as well as typical ECG changes seen in atrial and ventricular enlargement…

…the cells die and the cell membranes collapse whereby cellular proteins are released into the circulation. It is possible to detect elevated levels of myocardial…

Echocardiography Definition and types of cardiomyopathies Cardiomyopathy implies that the myocardium is structurally and functionally altered, and the pathological changes are not explained by coronary…

…Vertical long axis Apical two chamber view (A2C) Horizontal long axis Apical four chamber view (A4C) Segments of the left ventricle Based on anatomical landmarks…

…waves were present on previous recording, the amplitude must be increased in order to suggest ischemia. Inverted U waves are even more typical of ischemia …

…larger windows for the ultrasound beam. The operator can sit on either side of the patient, depending on preferences. The operator should have an elbow…

…will therefore continue on schedule. Refer to Figure 2 . Figure 2. The complete compensatory pause following a premature ventricular contraction. Classification of premature ventricular contractions…

…axis view), the the ventricle is rather a crescent shaped appendage of the left ventricle. On longitudinal sections (A4C, apical four chamber view), the right…

…on the other arm. 2. Ankle pressure. Place the cuff just above the malleoli, with its lower edge about 2 cm above the tip of…

…subtypes Subtype Typical picture Clinical significance : : : Hyperactive Agitation, motor restlessness, picking, calling out, irritability, hallucinations More easily detected, but accounts for a minority of cases…

…a large bore cannula in a suitable vein). Standby access in a patient at risk of rapid deterioration. Intraosseous access: Cardiac arrest where venous access…

…of symptoms, complications and rupture. Aneurysmal sacs may contain mural thrombus, which can contribute to peripheral embolization and may reduce the apparent luminal diameter on…

…99th percentile. The clinical presentation should not be interpreted in isolation. The initial diagnosis and triage depend on integration of symptoms, vital signs, the ECG…

…Out of office measurement is consequently central to diagnosis and long term management. Clinical presentation and symptoms The source material does not describe the typical…

…This definition does not depend on left ventricular ejection fraction (LVEF). Heart failure with reduced ejection fraction (HFrEF) is defined by the combination of symptoms…

…of: direct tubular toxicity; renal haemodynamic disturbance and ischaemia; pre existing or concurrent hypovolaemia; cardiac dysfunction or haemodynamic instability; and additional nephrotoxic exposures. The typical…

…considerably. Symptoms of systemic venous congestion include: Peripheral edema Rapid weight gain Increasing abdominal girth Early satiety Bendopnea Abdominal ascites Older patients may present atypically…

…dissection is an uncommon cause of acute chest pain but carries a particularly high mortality when diagnosis is delayed. The typical presentation is sudden onset…

…Typical angina or dyspnoea at a low level of exertion. Left ventricular dysfunction suggesting extensive obstructive CAD. A high risk result on non invasive testing…

…depolarized by impulses generated by cells outside of the sinoatrial node (i.e by an ectopic focus), the morphology of the P wave may differ…

…Its typical presentation is: Sudden severe dyspnoea. Acute pulmonary oedema. Hypotension. Progressive heart failure. Cardiogenic shock. Complete transection of a papillary muscle may cause immediately…

…indicative of 'Ventricular pre excitation', and QRS duration ≥140 ms is considered 'Profound nonspecific intra ventricular conduction delay', both of which are not typical normal…

…presentation and symptoms Typical SAMS consists of: Symmetric muscle pain Muscle aching or soreness Weakness, often perceived or functional Predominant involvement of large proximal muscle…

…a notch on the apex. Please note that for most clinicians it is not necessary to be able to determine the direction of the re…

…lithium, thiazide administration, and over supplementation of calcium and vitamin D. ECG in hypercalcemia Typical ECG changes: Shortened QT interval. Attenuated T wave amplitude. Prolonged…

…former). Even small pressure elevations on the right side can compromise venous return to the right ventricle. Therefore, in the presence of a tamponade, chest…

…in a patient not on digoxin treatment 3 Discordant ST T change in a patient on digoxin treatment 1 ECG signs of left atrial enlargement…

…RCA ) originates on the right aspect of the aortic bulb. The left main coronary artery ( LMCA ) originates from the left anterior aspect of the aortic…

…to assess the morphology of valves, the presence of vegetations, hemodynamic status, and the extent of endocarditis. Endocarditis gives three typical findings on echocardiography: Vegetations…

…of relapse upon GDMT withdrawal are fundamentally distinct from true, incident HFpEF [3] . Hemodynamically, the gold standard definition of HFpEF relies on the demonstration of…

…ventricular myocardium varies. Septal hypertrophy, apical hypertrophy and hypertrophy of the left ventricular free wall are common. General hypertrophy is less common. Hypertrophic cardiomyopathy causes…

…on the intensity of tracer uptake and associated myocardial changes: Mild defects : Characterized by decreased tracer counts while preserving normal wall thickness, often indicative of…

…than the base rate should inhibit the pacemaker. P waves The appearance of the P wave depends on where the atrial lead is fixed. Typically…