76) A 65 year-old man with history of recently diagnosed metastatic colon cancer being treated with chemotherapy is admitted to the hospital with constipation and vomiting. His colon cancer was diagnosed by colonoscopy 2 months ago when he presented with massive GI bleeding. At this admission, patient is diagnosed with bowel obstruction secondary to descending colon cancer and underwent a palliative left hemicolectomy to provide symptomatic relief. He has no occult or gross GI bleeding at this time. On the sixth post-operative day, you are called by the nurse because the patient’s blood pressure is 80/40. His heart rate is 82, respiratory rate 24 and temperature of 100.6. The patient is given Normal saline bolus. A CXR is normal. EKG reveals a prominent S wave in lead I, a Q wave and inverted T wave in lead III. Of note, a pre-operative EKG was completely normal. First set of cardiac enzymes are negative. A bedside 2D echo reveals global hypokinesis of the right ventricle. A repeat blood pressure obtained after normal saline bolus is still low at 70/40. The most likely etiology of the shock in this patient is :
B) Septic shock
C) Acute myocardial infarction leading to cardiogenic shock
D) Acute pulmonary embolism
E) Tension Pneumothorax
77) Most important next step in treating this patient’s shock?
A) Continued fluid boluses
B) Antibiotics and pressor support with dopamine
C) Intra-aortic balloon counter-pulsation followed by urgent cardiac catheterization.
D) Anticoagulation with heparin
E) Tissue plasminogen activator ( tpA)
G) Chest tube placement.
H) Inferior vena cava filter
78) The patient was appropriately treated. The discharge recommendations should include :
A) Inferior venacava filter
B) Life-long low-molecular weight heparin
C) Life-long coumadin
D) Hypercoagulability testing
E) Compression stockings