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Sepsis and septic shock: quick reference for the first hour

…sets of blood cultures, and a culture from the likely focus 0 to 15 min Ringer's acetate for hypotension or hypoperfusion, usually 500 mL…

🟠 Nitroprusside

…potassium channels in the cell membrane. Time to onset of action : 1 minute. Duration of action : <10 minutes. Effects Potent blood pressure lowering. Antianginal effect…

Spontaneous Coronary Artery Dissection

…when marked hormonal changes occur. Hypertension and oestrogen exposure. Emotional or chronic mental stress. Fibromuscular dysplasia (FMD), which may produce arterial wall abnormalities and intramural…

Upper gastrointestinal bleeding: quick reference

…Give small boluses, for example 250 to 500 mL, with immediate reassessment of the blood pressure, pulse, peripheral perfusion, mental state and chest findings. Avoid

Acquired QT Prolongation and Drug-Induced Arrhythmia

…with new onset bradycardia or a high degree of heart block. In patients with severe mental illness (SMI) receiving antipsychotic therapy, sinus tachycardia is common…

Diuretic Strategy and Decongestion in Heart Failure

…with fatigue, depression, sleep disturbance or altered mental status rather than prominent breathlessness. Hemodynamic phenotypes Initial assessment should distinguish congestion from hypoperfusion. This distinction provides…

Indications and contraindications for myocardial perfusion imaging

…obstructive cardiomyopathy with severe resting gradient Recent stroke or transient ischemic attack Mental impairment with limited ability to cooperate Resting hypertension with systolic or diastolic…

Drug-Eluting Coronary Stents: Evolution, Evidence and Stent Choice

…intervention (PCI). They evolved from balloon angioplasty and bare metal stents (BMS) in response to restenosis caused principally by neointimal hyperplasia. Contemporary DES combine a…

In-Stent Restenosis: Mechanisms and Treatment

…frequent cause of PCI failure, despite its substantially lower incidence with drug eluting stents (DES) than with bare metal stents (BMS). Clinical ISR is generally…

Physics of ultrasound

…e.g air, water, metal, or tissue and fluids in the human body. Sound waves arise when a sound source generates mechanical vibrations in the…

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