…collapse in a tamponaded patient , since positive airway pressure further reduces the venous return. Procedure Choice of access The ultrasound, not tradition, determines the site…

Njurmedicin Lathundar The main clinical rule Two questions determine the initial management: 1. Does the patient have severe neurological symptoms that may be due to…

…may require anticoagulation should establish: Whether AF is clinical or device detected subclinical AF. The AF pattern, while recognising that pattern does not determine the…

…with haemodynamic compromise, whatever the current haemoglobin — haemoglobin falls late in acute haemorrhage and a normal value does not exclude significant blood loss. Massive haemorrhage…

…Availability in Sweden. Several of the drugs in this overview are not routinely marketed in Sweden and may require a named patient licence, among them…

…hours, not 48. The 2024 ESC guidelines and several Swedish clinical knowledge resources have tightened the former 48 hour rule for patients with risk factors…

…of thrombus — the most important relative contraindication to elective cardioversion. It does not apply in haemodynamic instability. Digitalis toxicity — a risk of refractory ventricular arrhythmias…

…care patient in whom life sustaining treatment is withdrawn and total brain infarction is not expected to occur Death is confirmed by Direct criteria: clinical…

…110 mmHg requires assessment for hypertensive emergency. In that setting, clinical assessment must determine whether immediate blood pressure lowering treatment is required. Patients with suggestive…

…in its final third. The right bundle branch does not give off any Purkinje fibers during its course through the interventricular septum. It starts to…

…the interspaces between the spinous processes. Sitting and leaning forward is an alternative when the lateral position does not work, but the opening pressure cannot…

…In patients presenting with symptoms like unexplained dyspnea on exertion, assessing the axis is a valuable diagnostic step. While a normal ECG does not definitively…

…interventions The test does not define the structure or composition of coronary atherosclerotic plaque, identify plaques at high risk of rupture, or determine whether ischaemia…

…in healthy people older than 60 years. The abnormal slope does not itself distinguish precapillary from postcapillary disease. A PAWP/cardiac output slope greater than…

…influences. The severity of myocardial injury is determined not only by the epicardial obstruction but also by the vulnerability of the myocardium and coronary microcirculation…

…may influence management. A single measurement is generally sufficient because Lp(a) is genetically determined and does not fluctuate substantially over the lifetime. A repeat…

…maximum pressure during heart contraction, it does not provide a comprehensive view of the perfusion pressure throughout the cardiac cycle. MAP offers a more accurate…

…the clinical picture may include: Symptoms attributable to chronic LV systolic dysfunction and HF Angina, although its absence does not exclude ischemic cardiomyopathy Symptoms related…

…Extreme obesity ≥40 III Extremely high BMI is useful for screening and population level risk estimation, but it does not characterize body composition, fat distribution…

…associated cardiovascular complications Symptoms are determined by the cardiovascular manifestation rather than by diabetes alone. The source material does not provide a detailed symptom profile…

…than being determined by contrast exposure in isolation. Estimated glomerular filtration rate Reported estimates include a rate of approximately 0–2% in patients with an…

…and the blood gas determines the need for ventilatory support . At the same time, exacerbation is a clinical syndromic diagnosis, not a sufficient explanation for…

…while definitive control of the bleeding has not yet been achieved. Penetrating torso injury with shock. A positive FAST scan in an unstable trauma patient…

…patients who are not low risk but have either RV dysfunction or elevated biomarkers, or neither of these abnormalities in the presence of abnormal clinical…

…By combining these factors, the calculator generates a 5 year SCD risk percentage , which helps clinicians stratify patients into low, intermediate, or high risk categories…

…in patients with right ventricular ischemia or infarction. Recognizing ECG signs of right ventricular involvement is, therefore, important. Such knowledge is valuable for most clinicians…

…determines whether compression may be applied at all, and if so at what pressure. Palpable foot pulses are not an acceptable substitute, and in patients…

…ill patient, AF may be pre existing, newly detected for the first time, or newly developed during management of an acute illness. The clinical relationship…

…disorders. The immediate objective is not simply to establish whether the patient has ACS. It is to determine whether the patient is clinically unstable, identify…

…trial. Limitations Requires detailed clinical and angiographic data. Calculation can be complex without dedicated software. May not account for all patient specific factors (e.g.…

…Clinical presentation and symptoms The clinical presentation is determined primarily by the ACS syndrome and the haemodynamic consequences of the culprit lesion. Patients may present…

…electronic equipment may also interfere with device function. The clinical consequences depend on the device, the patient's dependence on pacing, the presence of CRT…

…benign to highly malignant, which is why expeditious management is warranted. Initial management includes assessing the patient's clinical status (symptoms, hemodynamics), ECG and risk…

…it may not be possible to determine precisely how much of the postprocedural increase results from the index MI and how much is related to…

…Evaluation and Physical Examination The initial evaluation of a patient with suspected syncope aims to determine whether the transient loss of consciousness was due to…

…establish whether the presentation represents ACS and whether the patient is clinically unstable. Particular attention is required for evidence of: Ongoing or recurrent chest discomfort…

…Patients who have been prescribed sublingual nitroglycerin should be instructed in its appropriate use, although specific dosing instructions are not provided in the source material…

…onset. However, beta blockers do not fully eliminate the risk. In LQT3 patients, where arrhythmias often occur at rest due to late sodium current augmentation…

…onset. However, beta blockers do not completely eliminate the risk. In LQT3 patients, where arrhythmias often occur at rest due to late sodium current augmentation…

…the apex. Please note that for most clinicians it is not necessary to be able to determine the direction of the re entry loop. Figure…

…good, even in the elderly. Mobitz type 1 block generally does not progress to more advanced blocks. Should it progress to more advanced blocks, which…

…thickness is rather complicated and not within the scope of this discussion. The bottom line, however, is of direct clinical relevance and states that increased…

…diameter of the orifice. This has fundamental clinical implications as it enables the investigator to calculate the area of stenoses and regurgitations. Such area estimations…

Cardiology Myocardial ischemia and infarction Introduction Clinical assessment of coronary artery disease (CAD) requires integration of symptoms, cardiovascular risk, coronary anatomy, myocardial ischaemia, ventricular function…

…trials have not directly established that upfront combination therapy is superior to upfront monotherapy for every patient with isolated hypertension. Single Pill Combinations Fixed dose…

…CAC is therefore not merely an incidental imaging finding; it can refine the decision to test and may identify patients who require preventive therapy even…

…patients with pacemakers only have access to conventional surface ECGs. Being able to assess pacemaker function and perform troubleshooting should be considered a basic clinical…

…ventricular contractions and the status of the pericardium by an experienced clinician. The examination is typically as brief as the intervals required for rhythm checks…

…undergo stress testing when their clinical condition is stabilized. This usually takes 2 to 3 days and the patient must not have experienced chest pain…

…toxicity. Several underlying conditions increase a patient's sensitivity to digitalis related arrhythmias. The clinician must evaluate for the presence of worsening renal function, advanced…

…should incorporate the estimated risk, risk enhancing factors and a clinician–patient discussion regarding the expected net benefit of therapy. Lifestyle modification is appropriate across…

…Atrial Fibrillation) Bleeding Risk Score is a clinical tool designed to estimate the risk of major bleeding in patients with atrial fibrillation (AF) undergoing anticoagulation…

…for bleeding risk in AF patients undergoing anticoagulation therapy. References 1. Gage BF, Yan Y, Milligan PE, et al. Clinical classification schemes for predicting hemorrhage…

Emergency medicine Lathundar Differential Diagnosis of Chest Pain: A Clinical Overview The evaluation of acute chest discomfort requires a systematic differential diagnosis, as the syndrome…

…2 Clinical guidelines now emphasize that a BMI within the conventional "normal" range (up to 25 kg/m²) does not necessarily equate to optimal cardiovascular…

…In comparison with adult subjects, the echocardiographic evaluation in pediatric patients requires a different approach, with more emphasis on the heart position in the thorax…

…the exercise stress test. Indeed, clinicians often use the term exercise ECG instead of the correct term exercise stress test . However, the ECG is only…

…the underlying mechanisms of cardiac arrhythmias. While a detailed understanding of these mechanisms is not essential for all clinicians, it is reasonable to acquire an…

…Clinical Presentation and Symptoms The source material does not provide specific information on the clinical presentation and symptoms of the underlying conditions for which ACE…

…age variations throughout childhood. Clinicians who work in pediatric and neonatal care must have knowledge of age related variations in the ECG, as well as…