…during central venous catheter insertion) Underlying lung pathologies In cases of benign pneumothorax, positive pressure ventilation can precipitate a tension pneumothorax, leading to circulatory collapse…

…cases of cardiac tamponade, conventional chest compressions are ineffective. This is explained by the elevated intrapericardial pressure due to the tamponade. The increased pressure causes…

…blood pressure during inspiration; one of the most useful signs Low voltage on the ECG, electrical alternans Supportive; it does not exclude Diastolic collapse of…

…increase the likelihood of cardiovascular collapse when PCI fails or flow is severely compromised. Clinical Presentation No reflow may become apparent during or immediately after…

…pressure (MAP) above 65 mmHg, consider the initiation of vasopressor therapy . Potential vasopressor agents include: Norepinephrine Phenylephrine Vasopressin Prioritize the collection of blood cultures to…

…long for thick soft tissue and for the head of the humerus. A pressure bag or a 50 mL syringe with a three way tap…

…No flow time : The duration (minutes) from circulatory collapse to initiation of CPR. During no flow there is no cerebral perfusion and brain damage progresses…

…need investigation on the basis of an isolated, asymptomatic low sensor reading alone. Symptoms Autonomic symptoms Early warning symptoms are due to sympathetic activation: sweating…

…obstruction of pulmonary blood flow increases RV pressure load and may impair RV filling and forward output. The resulting syndrome may progress to systemic congestion…

…ventricle are compressed, with elevation of their diastolic pressures. Right sided filling becomes increasingly dependent on the fall in intrathoracic pressure during inspiration. The inspiratory…