…some positive airway pressure and washes out dead space. It requires special equipment and monitoring The nasal cannula, the simple mask and the reservoir mask…

…apart. A wound through the full thickness of the dermis, particularly over joints and in cosmetically sensitive areas. Superficial wounds with well apposed edges, abrasions…

…done wrongly. The two commonest errors are that an intramuscular injection in fact ends up subcutaneously in a patient with a high BMI, and that…

…ischemia, including with non obstructive epicardial arteries (ANOCA/INOCA); CFR has independent prognostic value. CFR confounded by heart rate/blood pressure/contractility (less reproducible, less…

…this fact (beyond the recommendation to defibrillate immediately if cardiac arrest is witnessed and the rhythm is shockable). This is explained by the fact that…

…with an abundance of illustrations that appeared pedagogical, despite the fact that it had not been updated for decades. As I got more involved with…

…arrests are caused by acute or chronic coronary artery disease, with the latter being the most common. The figure 80% occurs in most textbooks in…

…complex). This yields more time to fill the ventricles with blood (increased ventricular filling). The person with premature beats might perceive this as palpitations, because…

…and reflects excessive retention of sodium and water, with expansion of both the intravascular and extravascular compartments. Heart failure is defined physiologically by the inability…

…NSTEMI and unstable angina. Management begins in parallel with the diagnostic work up. Obtain an interpretable 12 lead ECG within 10 minutes of first medical…