hypotension

A 28-year-old male is brought to the emergency department after a high-speed motor vehicle accident. He is unconscious with a Glasgow Coma Scale (GCS) score of 6. His blood pressure is 90/60 mmHg, heart rate is 120 bpm, and respiratory rate is 28 breaths per minute. On examination, there is bruising over the left chest and decreased breath sounds on the left side. What is the most appropriate immediate management step?

A 70-year-old man with a history of hypertension and heart failure is being managed with an ACE inhibitor. He presents to the emergency department complaining of dizziness, especially when standing up. His blood pressure is 90/60 mmHg, and his other vital signs are stable. Which of the following is the most appropriate initial step in managing this patient?

A 75-year-old male on warfarin for atrial fibrillation presents with acute dyspnoea and pleuritic chest pain. He is hypotensive with a BP of 90/60 mmHg and tachycardic at 110 bpm. His INR is 7.2. A chest CT is performed (image attached). Considering the clinical context and imaging findings, what is the MOST appropriate immediate management step?