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Why is the bubble study used during a TEE

Why is measuring oxygen saturation levels during RHC important?

Which of the following parameters is not directly measured by a swan-Ganz Catheter?

An ICU patient feels very cold. The patient has weak pulses and delayed capillary refill in fingers. What is most the likely cause of these vascular findings?

 Patients are required to fast and may need to adjust their medication prior to undergoing an angiogram procedure?

What does pulmonary capillary wedge pressure (PCWP) estimate in right heart catheterization?

An ICU patient has been sedated and on a vent for 6 days. The nurse who is caring for the patient noticed the left leg to be cold to the touch, and two toes were purple/black. When theattending physician ordered an angiogram, what might the diagnosis be?

patient was found down for an unknown length of time due to cardiac arrest. The patient has many comorbidities that contributed to the cardiac arrest. Once the patient was stabilized, theywere brought to the ICU on a vent. What testing would a physician order for this patient?

In what clinical scenario would a Swan-Ganz catheter be contraindicated? 

Determine if the following statements regarding buffers are True of False? HF would be a good choice for a buffer with a desired pH of 6.75 [1] HCN would be a good choice for a buffer with a desired pH of 9.50 [2] HC2Cl3O2 would be a good choice for a buffer with a desired pH of 13.75 [3] HIO would be a good choice for a buffer with a desired pH of 11.25 [4]