Acute Medical Presentations — Flashcards

Flashcard 171: _____ are commonly associated with hypothermia.

Answer: J waves (Osborn waves)

Extra: J waves (Osborn waves) are positive deflections at the J point (junction of the QRS complex and the ST segment). While classic for hypothermia (usually below 32°C), they can also be seen in hypercalcemia, Brugada syndrome, and subarachnoid hemorrhage.

Flashcard 172: Hypothermia temperature classification: Mild: _____°C Moderate: 28-32°C Severe: <28°C

Answer: 32-35

Flashcard 173: _____ re-warming may be used for severe hypothermia (<28°C) that has not responded to other re-warming techniques

Answer: Extracorporeal life support (ECLS)

Flashcard 174: Hypothermic patients should be given _____ oxygen during re-warming

Answer: warmed, humidified

Flashcard 175: The preferred way to measure core temperature in hypothermic patients is via _____ or rectal thermometer

Answer: oesophageal probe

Flashcard 176: Bradycardia, hypoventilation, hypotension and decreased shivering are associated with _____ hypothermia

Answer: moderate

Flashcard 177: Hypothermic patients who appear to be dead cannot be pronounced dead until they are _____

Answer: warm (35°C)

Flashcard 178: PT and PTT may be _____ in hypothermic patients

Answer: prolonged

Flashcard 179: Patients with hypothermia should have continuous _____ monitoring

Answer: ECG

Flashcard 180: _____ is most commonly associated with hypothermia

Answer: J wave (Osborn Wave)