2026 KEY CONCEPTS AND REVISION NOTES
◉ Hypotension.
Answer: Abnormally low blood pressure, here 60/0 mm Hg.
◉ Heart rate.
Answer: Number of heartbeats per minute; here 160 bpm.
◉ Respiratory rate.
Answer: Number of breaths per minute; here 14 breaths.
◉ Arterial blood gas determination.
Answer: Test to measure oxygen and carbon dioxide levels.
◉ Packed red blood cells.
Answer: Concentrated red blood cells for transfusion.
◉ Central venous access.
Answer: IV access through large veins for fluid administration.
, ◉ Catecholamines.
Answer: Hormones that increase heart rate and blood pressure.
◉ Placental abruption.
Answer: Premature separation of placenta from uterus.
◉ Cardiac tamponade.
Answer: Fluid accumulation in pericardial space affecting heart.
◉ Flail segment.
Answer: Chest wall injury causing paradoxical movement.
◉ Triage.
Answer: Prioritization of treatment based on injury severity.
◉ Rh isoimmunization.
Answer: Immune response to Rh-positive blood in Rh-negative
patients.
◉ Oropharyngeal airway.
Answer: Device to maintain airway patency in unconscious patients.