A 58-year-old female patient with congestive heart failure i…

A 58-year-old female patient with congestive heart failure is being treated with 40% oxygen and diuretics. Within 3 hours she has lost 1500 mL of urine and her pulse oximeter reading has improved from 84% to 93% saturation. Her electrocardiogram shows a heart rate of 110 beats/min with the new observation of premature ventricular contractions. Her recent serum electrolyte values show a potassium level of 2.1 mEq/L. What recommendation could be made in her care?

A patient is suspected of having amebic dysentery.  Upon mic…

A patient is suspected of having amebic dysentery.  Upon microscopic examination of a fresh fecal specimen, a trophozoite of 25 um displayed progressive, unidirectional movement.  It also displayed evenly distributed peripheral chromatin and finely granular cytoplasm.  The most likely identification is:

Choose the correct diagnosis for the following patient: A 59…

Choose the correct diagnosis for the following patient: A 59 year old presents to the ED for wheezing and SOB. Xray reveals a dirty chest xray with a flattened diaphragm and enlarged left ventricle. Patient has polycythemia. ABG results are:  pH: 7.37 PaCO2: 62  PaO2: 79 HCO3: 31