A 23 years old female wad admitted with palpitations of two days duration. Her past medical history is not significant. BMI is 20.0, she lost about 25 lbs withing last four months using restricted diet, drinking mostly mineral water, and jogging. ECG: premature ventricular beats. Cardiac enzymes: negative. CBC: pending. BMP: pending. What is the differential diagnosis? What is the underlying mechanism?

If these are the missing choices: a. to determine skin temperature, place the back of your hand against the patient's skin.b. determine body temperature by touching the patient's hands and feet.c. skin temperature will tell you very little about this patient's condition or well-being.d. the patient's skin temperature and color will likely be warm and red.my answer is: a. to determine skin temperature, place the back of your hand against the patient's skin. using the back of the hand to check for temperature rather than the palm is more effective because the back of the hand has more nerves that can feel and transmit the temperature than the palm.