A Patient in the Clinic Develops Sudden Shortness of Breath

A patient in the clinic develops sudden shortness of breath and tachycardia.The primary care NP notes thready pulses,poor peripheral perfusion,and a decreased level of consciousness.The NP activates the emergency medical system and should anticipate that this patient will receive:

A) intravenous alteplase.
B) low-dose aspirin and warfarin.
C) low-molecular-weight heparin (LMWH) .
D) unfractionated heparin (UFH) and warfarin.