ࡱ>  (bjbj .hh ,A<$4 ~LLLLLL0تInj 0<,T!$(T!T!LL<T! : New York University Medical Center Department of Internal Medicine Clinical Pathological Conference Friday, September 12th, 2008 at 11:30AM Bellevue Hospital 17W Conference Room The clinical pathological conference is a teaching exercise in which the students integrate their understanding of pathophysiology and the clinical manifestations of disease with their ability to interpret information provided by a case record. The case is one in which careful consideration of the information available can lead to correct diagnosis and an insight into the disease process. The students must submit a complete diagnosis indicating not only the nosologic entity, but also the manifestations in the patient. All infectious diagnoses must include reference to the etiologic agent by genus and species. Malignant diagnoses must contain enough specificity of cell type to eliminate possible ambiguity. Cardiac diagnoses must be complete and conform to New York Heart Association criteria. If a diagnostic procedure was done, the diagnosis must include the proposed procedure. The diagnosis must be submitted by e-mail to Sameer Dhalla, the chief resident moderator for this CPC (Sameer.Dhalla@nyumc.org). The e-mail should contain the diagnosis and the procedure/test performed. Please submit your diagnosis by 6:00PM, Monday September 8th. Selected students will be notified by noon on thursday to present their diagnosis and reasoning at the CPC on Friday. A review of the literature is not expected, but pertinent references should be used. The final diagnoses submitted are utilized to tabulate totals and have absolutely no bearing on individual evaluations. Student presentations will be strictly limited to five minutes. Chief Complaint: 63 year-old female with chest pain and dyspnea for two weeks HPI: The patient is 53 year old female from Santander (northern Spain) with a history of active tobacco abuse, COPD, hypertension, hyperlipidemia, and GERD who presents with 2 weeks of chest pain and dyspnea. The history begins 3 months prior to admission when the patient presented to her primary care physician with a new complaint of intermittent dyspnea with moderate exertion. A dobutamine stress echocardiogram was performed and revealed small areas of myocardial infarction in the basal inferior wall and a moderate amount of stress-induced ischemia in the mid inferolateral wall. The EKG at that time showed an old incomplete right bundle branch block. The patient was asymptomatic throughout the procedure with no EKG changes and was sent home on medical management. The patient was doing well without further complaints of dyspnea on exertion until 2 weeks prior to admission when the patient presented to the emergency room with 5 hours of left-sided sharp substernal chest pain that began as mild and progressed to moderate intensity. The pain did not radiate and was not associated with dyspnea, diaphoresis, or nausea. Her cardiopulmonary exam and CXR were unrevealing but her EKG showed new Q waves in the inferior leads. Her symptoms improved with aspirin taken at home and opiates and nitrates given in the ER. She was referred for emergent catheterization which demonstrated total occlusion of the distal circumflex artery and mild obstruction of the middle portion of the right coronary artery. The left ventriculogram showed an ejection fraction of 55% with posterior lateral hypokinesis. No significant amount of troponin was released. The conclusion of the cardiologist caring for her was that her pain was not likely ischemic in origin. The patient was again discharged on medical management. In the two weeks that followed the catheterization, the patient reported continued intermittent chest pain, progressive dyspnea on exertion (worse than her episodes 3 months prior), fatigue, and a progressive non-productive cough. She endorsed chills, but denied fever, weight loss, or sick contacts. Her primary physician ordered an outpatient non-contrast chest CT five days prior to admission and prescribed azithromycin and a prednisone taper for her symptoms. The results of this CT scan (provided in an attached document) showed new findings from previous films, and the patient was instructed to return to the ER for further workup. She reported that her symptoms were improving but were out of proportion to her usual symptoms of COPD exacerbation. She continued to report intermittent chest pain and cough to the admitting physician. Past Medical History: As per HPI Past Surgical History: L Knee arthroscopy L inguinal hernia repair Medications: Losartan 100 mg PO daily Rosuvastatin 20 mg PO daily Albuterol MDI 1 puff q 4-6 hours as need Tiotropium 18 mcg oral inhalation daily Omeprazole 20 mg PO daily Recent course of azithromycin and prednisone ALL: NKDA Social History: Active smoker, >45 pack-years Social drinker, 3-4 drinks/week No illicit drug use Immigrated from northern Spain 15 years ago Divorced, no children; lives alone Works as an administrative assistant Family History: Non-contributory Health Maintenance: Age appropriate cancer screening up to date Never had a PPD ROS: She has never required hospitalization for COPD, and has never been intubated. Has infrequent ER visits and steroid tapers. Exercise tolerance was unlimited prior to current illness. Physical Exam: General: A pleasant and articulate, well nourished, well groomed female appearing her stated age lying in bed, fatigued and pale, but in no distress. Able to speak in full sentences Vital Signs: T 98.9 F, BP 112/63, HR 92, RR 18, O2 sat 96% on room air. 64 kg. 64 HEENT: Pupils equal and reactive to light and accommodation. Oropharynx clear, no cervical lymphadenopathy or jugular vein distension Heart: Regular rate and rhythm, normal S1/S2, no murmurs/rubs/gallops Lungs: Absent breath sounds at the left base with overlying dullness to percussion. Faint wheezes and a prolonged expiratory phase noted. No rales or rhonchi appreciated. Abdomen: +bowel sounds, no tenderness to palpation, no organomegaly appreciated. Rectal: Guaiac negative brown stool Extremities: No clubbing, cyanosis, or edema. No hand joint deformity. 2+ peripheral pulses Neuro: Alert and oriented to person, place, and time. Cranial nerves, motor strength, reflexes, sensation, vestibular testing all normal Laboratory Assessment: TestReference RangeOn PresentationHEMATOLOGYHemoglobin (g/dl)13.5 17.511.0Hematocrit (%)41.0 53.033.8White-cell count (per mm3)4,500 11,0008.2Differential Count (%) Neutrophils40 7069 Lymphocytes22 4421 Monocytes4 119 Eosinophils0 81Mean Corpuscular Volume (m3)80 10091Platelet Count (per mm3)150,000 300,000553,000PTT (sec)22.1 35.127.4INR0.9 1.21.31CHEMISTRY/SEROLOGYSodium (mmol/liter)135 145137Potassium (mmol/liter)3.4 4.85.1Chloride (mmol/liter)100 108100Carbon dioxide (mmol/liter)23.0 31.923Urea nitrogen (mg/dl)8 2511Creatinine (mg/dl)0.6 1.50.6Glucose (mg/dL)70 99116Calcium (mg/dl)8.5 10.58.9Magnesium (mmol/liter)0.7 1.02.2Phosphorus (mmol/liter)2.6 4.54.8Aspartate aminotransferase (U/liter)10 4025Alanine aminotransferase (U/liter)10 5539Total Bilirubin (g/dl)0.0 1.00.2Direct Bilirubin (g/dl)0.0 0.40.0Total Protein (g/dl)6.0 8.36.3Albumin (g/dl)2.6 4.13.0Alkaline Phosphatase (U/liter)45 10080Lactate Dehydrogenase110 225455Erythrocyte Sedimentation Rate10-2055Ferritin20-200 ng/ml1049ANA<1:80NegativeRheumatoid Factor<1:20Negative EKG: NSR @ 87 bpm. Normal axis. Incomplete RBBB Q waves in the inferior leads Unchanged compared to 2 weeks prior Urinalysis: Unremarkable CXR: (see power point attachment) Non-contrast Chest CT: (see power point attachment) Hospital Course: The patient was triaged to the medicine floor and had an ultrasound-guided diagnostic thoracentesis on the day of admission with the following results: Pleural FluidOn PresentationAppearanceClear, straw coloredpH7.50RBC640 Nucleated Cells 1710 % Poly 6% % Lymph 15% % Mesothelial 29% % Macrophage  50%Gram Stain NegativeBacterial Culture PendingGlucose 90LDH 455Protein 3.9Albumin 1.8  A diagnostic test/procedure was subsequently performed. cfz^ r w x   3 8 9 = ? 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