The inability of the heart muscle to pump blood at a life-sustaining rate is best defined as:

 There are lots of signs of heart failure which you should not ignore. Better see your doctor and seek emergency treatment if you experience chest pain, fainting, rapid or irregular heartbeat coupled with shortness of breath. 

the transfer for conduction is the heat transfering from the liquid to the spoon

the transfer for convection is the heat rising from the liquid to the air

the transfer for radiation is the heat going through the sides of the cup and to the air

at least that is what i would do