…The haemodynamic phenotype is then determined using pulmonary arterial wedge pressure (PAWP) and pulmonary vascular resistance (PVR): Haemodynamic category mPAP PAWP PVR Precapillary PH 20…

…without basal insulin (a so called sliding scale), gives poorer control and is not recommended as the sole regimen. Common situations Situation Management : : Fasting before…

…studies of the urinary tract. Wound healing with a sacral pressure sore or extensive perineal wounds where urinary leakage prevents healing. Voiding problems in neurogenic…

…such circumstances, the efficacy of compressions and defibrillation diminishes considerably. Extracorporeal Life Support (ECLS) emerges as the sole therapeutic alternative for such situations. Presently, this…

…milk ducts, malignancy differential Surgeon or mammography Sole of the foot Deep compartments Orthopaedic surgeon Close to large vessels, in the groin or on the…

…rather than single measurements. ETCO 2 should not be the sole determinant for terminating CPR or initiating ECMO ( Paiva et al ). If both ETCO 2…

Echocardiography The Doppler effect When sound waves hit objects some of the sound waves are reflected back to the sound source. If the reflector (i…

…There are currently several large registries monitoring resuscitation practices. Some data sources also monitor sudden cardiac arrest. The EuReCA registry includes resuscitation data from 27…

…are immune mediated inflammatory diseases (IMIDs) that include rheumatoid arthritis (RA), psoriatic arthritis, spondyloarthropathies, systemic lupus erythematosus (SLE), systemic sclerosis, vasculitides, mixed connective tissue disease…

…AAOCA), coronary fistulae, and myocardial bridging. Although many are clinically silent, some produce myocardial ischaemia, ventricular arrhythmias, myocardial infarction, or sudden cardiac death. Myocardial bridging…

…guideline systems: Classification Fasting triglycerides Non fasting triglycerides Mild to moderate HTG 150–499 mg/dL (1.7–5.6 mmol/L) in some guidance…

…However, all three waves may not be visible and there is always variation between the leads. Some leads may display all waves, whereas others might…

…owing to changes in intra and extracellular electrolyte concentrations. Some electrolyte imbalances are clinically negligible (from an electrophysiological standpoint), whereas others may be life threatening…

…As a rule, some kind of damage to native (own) valves is required to become vulnerable and contaminated by bacteria . Infections are difficult to heal…

…coronary syndromes (myocardial infarction), women, elderly and revascularized individuals Clinicians should be familiar with the special challenges posed by some patient populations. The sensitivity, specificity…

…differentiate dilatation from hypertrophy, which is why some experts have suggested that the term atrial abnormality be used instead of enlargement. Atrial enlargement/abnormality often…

…atrial impulses to conduct to the ventricles, resulting in some P waves not being followed by QRS complexes. This condition is further categorized into two…

…These sound waves travel through tissues and fluids. Some of the sound waves are reflected back to the transducer. By analyzing the reflected sound waves…

…Take care in impaired sensation (neuropathy, spinal cord injury) — the patient does not feel the pressure sore. Preparation and equipment Material Comment : : Stockinette Innermost against…

…moment the spray starts. Let the tissue thaw completely between cycles — it is the freeze–thaw–freeze cycle that causes cell death, not the cold…

…where gastric emptying is delayed — may justify charcoal later, in some cases up to 6 hours or more. Discuss this with the poison control centre…

…blood gas and electrolytes can be interpreted, but some laboratories do not accept marrow blood in their analysers — check locally. Contraindications Peripheral venous cannula: Infection…

…active hypothermia is still used in some units with a non shockable rhythm; this is the clearest area in which Swedish practice differs between hospitals …

…concomitant drug/alcohol use. Some studies suggest HAS BLED has comparable or slightly superior predictive capability for major bleeding compared to ATRIA. ORBIT: Includes factors…

…Delivery IV Dose 5–15 mg/hour IV infusion. Higher doses (up to 30 mg/hour) may be required in some patients. Adverse effects Tachycardia…

…influenza) and other viral respiratory infections. However, in some individuals the infection may be severe and deadly. Importantly, COVID 19 has caused an unprecedented number…

…5–10%, although some series report 10–20%. Other life threatening cardiopulmonary conditions account for approximately 5% of presentations in some populations. Despite this relatively…

…weight gain, peripheral edema, early satiety, abdominal distension and, in some patients, bendopnea. Congestion may also aggravate functional mitral regurgitation, ventricular dilatation, myocardial wall stress…

…agree with those viewpoints. Going through some guidelines the other day I realized that they are indeed becoming thicker and thicker. Guidelines issued by AHA…

…is heterogeneous, and some patients may benefit from a more individualized selection strategy. When to Initiate Pharmacological Treatment Lifestyle intervention is an essential component of…

…BP reduction is required, these patients generally do not need hospital admission or intravenous treatment. Some patients with acute pain, anxiety, or distress have transient…

…R Wave Peak Time : Some criteria define LBBB by a prolonged time to the R wave peak ($\ge 60$ msec) in the left precordial…

…vasodilation. Although primarily defined by these mechanisms, levosimendan also exhibits some type 3 phosphodiesterase inhibitor (PDEI) activity, which may contribute to its inotropic profile. The…

…indicative of obesity or excess abdominal adiposity. Ethnic specific thresholds are lower or otherwise modified in some populations. Cardiometabolic mechanisms Visceral and ectopic fat are…

…both increasing activity and reducing time spent sitting. The relationship between activity and cardiovascular benefit is curvilinear. The largest relative improvement occurs when an inactive…

…expansion and, in some cases, a dissecting haematoma may precede rupture. The tear commonly develops at the interface between infarcted and viable myocardium. The incidence…

…Complete intolerance is uncommon. Most patients who report intolerance can ultimately take some form of statin therapy after systematic reassessment and rechallenge. The principal manifestation…

…particularly inverted T waves. Below follows a discussion which aims to clarify some of the common misunderstandings. All T waves are illustrated in Figure 18…

…hypotension and bradycardia. However, some patients exhibit a primary cardioinhibitory response with pronounced bradycardia. Most cardioinhibitory events are due to sinus bradycardia, though transient atrioventricular…

…The impulse from the premature beat reaches the His Purkinje system early, while some fibers are still refractory. In this case ( Figure 1 ) it encounters…

…at which some of the ultrasound energy is reflected and the remainder continues through the tissues. Depending on the difference in acoustic impedance between the…

…as discussed below. Atrial flutter tends to accompany atrial fibrillation, although some individuals may only present with atrial flutter. Similar to atrial fibrillation, atrial flutter…

…Atrioventricular nodal reentrant tachycardia Atrioventricular nodal reentry tachycardia Atrioventricular nodal reentrant tachyarrhythmia Atrioventricular nodal reentry tachyarrhythmia Some textbooks use the term "node" instead of "nodal"…

…s leads etc). Note that in some situations it is appropriate to connect additional electrodes in order to detect right ventricular infarction (leads V3R, V4R…

…pericarditis. It usually takes several years to develop the constriction, but in some cases, it may appear a few months after the inflammation has occurred…

…opportunity for reperfusion. In addition, some patients present with severe LMCA stenosis exacerbated by other conditions, and these must also be recognized. Prompt identification of…

…arrhythmia is self limiting; however, it may recur and, in some instances, persist for extended durations. As for any long standing tachycardia, there is a…

…suggested to calculate corrected QT intervals. Some of these formulas follow: Bazett's formula for calculating corrected QT duration (QTc). Bazett Formula: QTc = QT…

…branch blocks and alter their appearance. Some patients develop nonspecific intraventricular conduction defects without any change in their QRS appearance. Such conduction delays may be…

…generate large and visible spikes, whereas newer models may generate very minute or even invisible spikes (at least in some leads). Pacemaker stimulated beats display…

…surface between the transducer and the skin. Generous use of gel is recommended. In addition to the gel, it is important to apply some pressure…

…encounter a new medium, some sound waves will be reflected while others will transfer the mechanical (pressure) energy to the new medium, which may also…

…In parallel, large outcome trials have clarified, and in some cases substantially narrowed, the role of revascularization itself in stable coronary artery disease, while a…

…configuration have been discussed in Chapter 1. Some individuals, however, possess an additional pathway between the atria and the ventricles. Such pathways may be conductive…

…are performed using two dimensional (2D) imaging. Some measurements are still done using M mode echocardiography. A formal consensus regarding the components of the standard…

…when interrogating witnesses, bystanders and health care professionals. The person may have some circulation despite circulatory collapse (e.g., with sustained ventricular tachycardia). Experimental and…

…the breath. However, sinus arrhythmia may be a pathological finding in some cases. Sinus arrhythmia is not a normal finding among older individuals. In that…

…intermittent failures to discharge impulses). Sinoatrial block (delayed or blocked impulse conduction between the sinoatrial node and the atrium). All these conditions have been discussed…

…near the ventricular cavity, and it may to some extent receive oxygen from the blood in the ventricular cavity. The right bundle branch then runs…

…ultrasound transducer generates short bursts (pulses) of ultrasound waves. Reflected ultrasound waves are analyzed by the machine during the brief pauses between the pulses. Thus…