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Interesting Case Rounds Nadim J Lalani 20.07.2006.

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Presentation on theme: "Interesting Case Rounds Nadim J Lalani 20.07.2006."— Presentation transcript:

1 Interesting Case Rounds Nadim J Lalani 20.07.2006

2 Patient C.B : 53 y.o. Transferred to FMC CCU from Red Deer with Acute MI PMHx: HTN Depression Etoh Abuse COPD on home O2 VP shunt 1996 [Obtructive Hydrocephalus due to benign mass] shunt revision 98

3 Pt C.B. Meds: Avalide Wellbutrin Imipramine Effexor Tryptophan Smoker has many cats

4 HPI: March 17 experiencing chest pain and HA Agitated, was pacing & collapsed EMS to Innisfail Hospital In ED: Vitals: 36 9, hr 119, 35, 106/80, Some respiratory distress. Neuro: Confused but following commands R pupil 5mm > L 4mm plantar response: Agitated

5 Innisfail ED [contd]: Given: Asthma cocktail Ativan for agitation Transferred to Red Deer: Confusion / agitation / sob

6 Red Deer Hospital: Confused,agitated,restless, intermittent fevers Vitals: Afeb 120, 24, 100/75,93% Altered LOC, GCS 6,pupils variable ? tone, rambling speech

7 Red Deer Hospital [contd] Initial Labs: ABG: 7.37/41/116/24 Hb 137, WBC 15.2, Plt 264 CK 559 (< 140 u/L) Acetominophen/ ETOH/ ASA: all NEG

8 CXR: Hyperinflation EKG: N Admitted with the following issues: COPD ? Seratonin Syndrome ? Etoh Withdrawal

9 Red Deer Hospital [Contd] Next 24 - 48H: Improved on IV fluids, multi-vits Solu-medrol & withholding psyc meds. March 20: breathlessness, LOC CXR: mild oedema ABG: 7.35/72/135/40 Intubated had following EKG:




13 Red Deer Hospital [contd] Next 24H: extubated, more alert & lucid EKG: T-wave changes Echo: akinetic apex TNi 7.11 (0-0.10ug/L) (>1.5 ug/L= MI) CK 1751 CT head: Reported as Normal Pt transferred to FMC Cardiology Dx: MI on Nitro drip and Heparin

14 En route to Foothills Hospital: Patient: became lethargic, gasping GCS decreased to 8 pupils unequal intubated (again)

15 Foothills Hospital CCU [Mar 22]: Exam: VSS Intubated, withdrawing, opens eyes to pain reflexes 4+ LEs ? tone, 4 beat clonus shunt depresses and fills completely

16 Whats going on?

17 CCU: Gets Repeat CT




21 March 22 [contd] NeuroSurgery Consulted ? Shunt Malfxn Initial exam: Intub, withdrawing disconjugate gaze Drain off 20cc via shunt reservoir Pt immediately awakes, begins reaching for ETT Cannot palpate distal shunt got AXR:



24 March 23-26: Further 20 cc drained off [02:00 am] In a.m Cardiac cath: Normal Coronaries Echo: Mild LV hypokinesis Pt had shunt studies went to OR third ventriculostomy Pt does well. Discharged home


26 HydroCephalus First described by Hippocrates Epidemiology: 1.2/1000 live births Disturbance of CSF flow

27 CSF physiology Secreted by Choroid Plexus [20ml/h] Passive absorption: SA space venous system Mostly obstruction [except choroid papilloma]

28 Causes of Hydrocephalus Prematurity (posthemorrhagic) Myelomeningocoele Other congenital (Aqueductal stenosis &c.) Brain tumor Subarachnoid hemorrhage Meningitis

29 Shunts Three Parts: Ventricular catheter Valve Distal Catheter Diverted to: Peritoneum Pleural Cavity GB, RA, IJ Lumbar CSF Shunts

30 Shunts

31 Shunt Malfunction Two categories : Shunt Failure Infection Infection : Coag negative Staph Fevers/malaise meningitis Important to r/o in paeds presentation

32 Shunt Failure Shunt Failure: Debris Component failure Fracture/ separation/ migration 30-40% fail within 1 st year 15% failure in 2 nd year After 2 nd year 1-5% failure /year Mortality 1-4%

33 Assessment Hx: [ incr ICP] HA [morning], neck pain N/V Irritability, gait problems, recent VP shunt P/E: Papiloedema CN VI palsy,CN III palsy Sunsetting ALOC / Coma Dont forget to palpate the shunt


35 Hx & P/E not very sensitive SensSpec Nausea /Vomit 3697 HA1597 ALOC10100 Papilloedema3100

36 Usefulness of balloting the shunt? Rationale: If it depresses patent distally If it refills patent proximally Reality: Sensitivity only 20% in the hands of Nsx! Even positive test not useful [25% false]

37 Radiography? Shunt Survey [XR skull, Chest, KUB]: Sensitivity 20% LR –ve 0.82 CT: 83% sens LR –ve 0.21 Combined : 88 sens BUT! 1 in 8 pts with obstruction have normal studies

38 Diagnostics Shunt study: Test of choice Usually NSx has to order Tapping the shunt: Easy to do / therapeutic Can send CSF [Can measure ICP]

39 Tapping the Shunt Sterile Prep 25 gge Butterfly Tubing/syringe Take off 20 cc at a time

40 What about the MI ?:

41 Neuro-mediated Cardiac Stress: Electrocardiographic abnormalities well described for SAH TWi, ST Long QT &c. Originally thought to be benign SAH now known to cause: significant increases in ICP, Increased cardiac output Significant changes in creatine kinase and catecholamines

42 Furthermore, Pts with SAH and ST have been shown to have impaired contractilityneurogenic stunned myocardium One other Report of this related to hydrocephalus from choroid cyst But now recognise that both psychiatric physiologic stressors can cause an MI picture.

43 Transient LV dysfunction Clinically resembles acute myocardial infarction Characteristics of: transient/reversible LV dysfunction with chest pain EKG changes release of cardiac enzymes hypokinesis of LV on echo Normal coronary arteries

44 Clinically: elderly women over 60 years of age some physical or mental stress precedes the onset of the symptom Most common presenting symptom is chest pain or dyspnea Often CHF from decreased left ventricular systolic function

45 Diagnostics: EKG findings classically initial ST elevation ST depression Deep symetric T wave inversion Abnormal QT Small or moderate elevation of cardiac enzymes (large elevations unusual)

46 Etiology/Associated Events: Emotional stress (death of loved one, panic d/o) Pneumothorax, resp distress, subarachnoid haemorrhage Trauma Phaeochromocytoma Guillain-Barré syndrome

47 Pathophysiology: Animal/perfusion models support idea that it is likely the result of catecholamine surge involves microvascular perfusion AbN In some it involves coronary artery spasm

48 Pt C.B: Psych Hx Female, Over 50 Chest pain and dyspnea Echo that had apical hypokinesis ST that progressed to deep TWi and QT Normal Cath

49 Voila!

50 Questions?

51 References: 1. Physical examination of Patients With cerebrospinal Fluid Shunts: Is There Useful Information in Pumping the Shunt? Joseph H. Piatt Pediatrics 1992; 89(3):470-473. 2. Pitfalls in the diagnosis of ventricular shunt dysfunction: radiology reports and ventricular size. Iskandar BJ, McLaughlin C, Mapstone TB, Grabb PA Oakes WJ Pediatrics 1998; 101 (6): 1031-6 3. Evaluation of Hydrocephalus Shunts in the Emergency Room Robert C Dauser Emergency Medicine Clinics of North America 1987; 5 (4): 709-717

52 References : 4.Radiographic evaluation for suspected cerebrospinal fluid shunt obstruction. Zorc JJ, Krugman SD, Ogborn J, Benson J. Pediatr Emerg Care. 2002 Oct;18(5):337-40 5.Ventriculoperitoneal shunt block: what are the best predictive clinical indicators? Barnes NP, Jones SJ, Hayward RD, Harkness WJ, Thompson D. Arch Dis Child. 2002 Sep;87(3):198-201. 6. Akashi et al. The clinical features of takotsubo cardiomyopathy. Q J Med. 2003: 96:563-573

53 7.Characterization of the cardiac effects of acute subarachnoid hemorrhage in dogs. Elrifai AM, Bailes JE, Shih SR, Dianzumba S, Brillman J. Stroke. 1996 Apr;27(4):737-41 8.Left ventricular wall motion abnormalities in patients with subarachnoid hemorrhage: neurogenic stunned myocardium. Kono T, Morita H, Kuroiwa T, Onaka H, Takatsuka H, Fujiwara A. J Am Coll Cardiol. 1994 Sep;24(3):636-40. 9.Myocardial injury and left ventricular performance after subarachnoid hemorrhage. Mayer SA, Lin J, Homma S, Solomon RA, Lennihan L, Sherman D, Fink ME, Beckford A, Klebanoff LM. Stroke. 1999 Apr;30(4):780-6.

54 Roberts: Clinical Procedures in Emergency Medicine, 4th ed., Copyright © 2004 Garton HJL and Piatt JH Hydrocephalus. Pediatr Clin N Am 51 (2004) 305-325

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 Epidemiology Incidence is unknown although some have estimated 1-2% of all patients presenting with “ACS” Mean age is and rarely has been reported. Jenny Morrison Morning Report 4/28/2008.  Cardiomyopathy characterized by transient apical and midventricular LV dysfunction in the absence of significant. Stroke Workshop Case Scenario. Clean Coronaries But a Broken Heart COPYRIGHT © 2014, ALL RIGHTS RESERVED From the Publishers of. A Case of a Thunderclap Headache Andy Jagoda, MD, FACEP. Mild Traumatic Brain Injury in Winter Sports Mild Traumatic Brain Injury in Winter Sports Andy Jagoda, MD Professor of Emergency Medicine Mount Sinai School. The Broken Heart Syndrome Primary Care Conference May 30, 2007 Gregory L. Sheehy, M.D. Acute Heart Failure in Apical Ballooning Syndrome (Takotsubo/Stress Cardiomyopathy) Clinical Correlates and Mayo Clinic Risk Score Malini Madhavan, MBBS; Stress Cardiomyopathy Presented by Brittney Howard, PA-S Advised by Bill Grimes, Dmin, PA-C Presented by Brittney Howard, PA-S Advised by Bill Grimes, Subarachnoid Hemorrhage Nina T. Gentile, MD Associate Professor Division of Emergency Medicine Temple University School of Medicine Philadelphia, PA. 1 DIAGNOSTICS OF Acute Coronary Syndromes At the end of this self study the participant will: Verbalize meanings of specific ECG changes: –ST Elevation. The Macstrak Project CCU Case Studies The following is a series of case studies to review different patient types and how they are captured on the form. Subarachnoid Hemorrhage. Etiology Spontaneous (primary) subarachnoid hemorrhage usually results from ruptured aneurysms. A congenital intracranial saccular. Post-Op Pulmonary Embolism Cardiac Pathology in Athletes. Sudden Death About 25 young patients die each year nationally in sudden-initially unexplained deaths on the field in all. Takotsubo Ryan Sanford 2/15/09. The Name A Japanese term, named after the jar used for trapping octopus. The Macstrak Project ER Case Studies The following is a series of case studies to review different patient types and how they are captured on the form.

 EKG Rounds Mark Bromley PGY3. Objectives  Identify classic ECG findings of PE  Understand the pathophysiologic basis  Discuss clinical utility.
