A 43 year old female presents with a severe episode of palpitations, sweating, vomiting and breathlessness after taking a dose of propranolol prescribed by her General Practitioner for panic attacks. She gives a history of similar symptoms occurring episodically over the preceding three months and her past medical history includes medullary thyroid cancer.
- SaO2 88% on oxygen 15 L/min via mask
- Heart rate: 150, Atrial Fibrillation
- BP 175/100 mm Hg
Chest X-Ray: Consistent with acute pulmonary oedema.
a. What is the likely diagnosis?
b. What investigations will help you confirm the diagnosis?
c. Outline your immediate management of this patient.
d. List four complications of this condition.