This is a lecture by Dr. Frank Madore from the Ghana Emergency Medicine Collaborative. To download the editable version (in PPT), to access additional learning modules, or to learn more about the project, see http://openmi.ch/em-gemc. Unless otherwise noted, this material is made available under the terms of the Creative Commons Attribution Share Alike-3.0 License: http://creativecommons.org/licenses/by-sa/3.0/.
GEMC- Meningitis and Other CNS Infections- Resident TrainingOpen.Michigan
This is a lecture by Frank Madore, MD from the Ghana Emergency Medicine Collaborative. To download the editable version (in PPT), to access additional learning modules, or to learn more about the project, see http://openmi.ch/em-gemc. Unless otherwise noted, this material is made available under the terms of the Creative Commons Attribution Share Alike-3.0 License: http://creativecommons.org/licenses/by-sa/3.0/.
GEMC: Central Nervous System InfectionsOpen.Michigan
This is a lecture from the Ghana Emergency Medicine Collaborative (GEMC). To download the editable version (in PPT), to access additional learning modules, or to learn more about the project, see http://openmi.ch/em-gemc. Unless otherwise noted, this material is made available under the terms of the Creative Commons Attribution Share Alike-3.0 License: http://creativecommons.org/licenses/by-sa/3.0/.
A presentation given by Luke Wainwright and myself about some of the trials and tribulations and eventual successes with integrating simulation into hospital education programs.
Workshop on the benefits of social media, professional learning networks and digital creation and curation. Given at the Laerdal Aus Simulation Users Network Sydney 2016
GEMC- Meningitis and Other CNS Infections- Resident TrainingOpen.Michigan
This is a lecture by Frank Madore, MD from the Ghana Emergency Medicine Collaborative. To download the editable version (in PPT), to access additional learning modules, or to learn more about the project, see http://openmi.ch/em-gemc. Unless otherwise noted, this material is made available under the terms of the Creative Commons Attribution Share Alike-3.0 License: http://creativecommons.org/licenses/by-sa/3.0/.
GEMC: Central Nervous System InfectionsOpen.Michigan
This is a lecture from the Ghana Emergency Medicine Collaborative (GEMC). To download the editable version (in PPT), to access additional learning modules, or to learn more about the project, see http://openmi.ch/em-gemc. Unless otherwise noted, this material is made available under the terms of the Creative Commons Attribution Share Alike-3.0 License: http://creativecommons.org/licenses/by-sa/3.0/.
A presentation given by Luke Wainwright and myself about some of the trials and tribulations and eventual successes with integrating simulation into hospital education programs.
Workshop on the benefits of social media, professional learning networks and digital creation and curation. Given at the Laerdal Aus Simulation Users Network Sydney 2016
Deirdre talks ‘bad blood’ – the complex world of critical care haematology.
Critically ill patients frequently have activation of inflammatory and clotting pathways. These are likely adaptive responses in the human.
When they run riot, or the fine balance between pro- and anti-inflammatory states is shifted, there can be significant morbidity and mortality.
Deirdre presents three patients to highlight these issues and what you can do about it. This acronym-busting talk will focus on some acquired haematological disorders in critically ill patients.
Platelets make up a tiny percentage of blood – just 0.01%. However, they have a crucial role to play. A low platelet count can be due to reduced production or increased destruction.
Disseminated Intravascular Coagulation (DIC) is a clinical and laboratory diagnosis that affects about 1% of hospitalised patients. At the most severe end it is associated with bleeding and/or thrombotic complications. Disorders such as thrombotic thrombocytopenia purpura (TTP) and other forms of micro-angiopathic haemolytic anaemia (MAHA) will also be described including the role of ADAMST13.
The knowledge of what is what, is critical, as it will dictate treatment. Heparin-Induced Thrombocytopaenia (HIT) is an uncommon but important condition which is difficult to diagnose in a critically ill patient. It is a heparin dependent pro-thrombotic disorder. There is no good test for HIT.
Have you always wondered about NETs (neutrophil extracellular traps) and their importance? If so this whistle-stop tour of non-malignant hematology in the ICU is for you!
Deirdre drives home the message that low platelets are common in the critically ill and the causes are multifactorial.
Finally, for more like this head to our podcast page. #CodaPodcast
Anyone Can Intubate, or Not: Teaching airway skills the antifragile waySMACC Conference
Becoming competent in airway management requires good decision making and and technical skills. Ultimately what matters is how your clinical performance impacts patient outcomes. For this we need to have a clear understanding of what defines success ensuring that its more than just 'getting the tube'. Come to this talk and you'll experience a Canadian take on Guinness, adventure sports, flying a plane and how other factors including failure influence airway management outcomes.
Stuart Lane on prognostication post out of hospital cardiac arrestSMACC Conference
Always controversial, always entertaining, the fearsome but loveable Geordie Stuart Lane gives an excellent summary of a core ICU topic: managing out of hospital cardiac arrests. Nearly at the end of the BCC3 series - and in only a month we're doing it all again, this time in tropical Cairns - come and join us.
Presentation from the SWEETs 16 conference, Sweden. This presentation works on the applications of simulation for a major change management project in becoming ready for the closure of a paediatric hospital and the impact on an adult emergency department.
This Talk is a Summary of:
1. Review the Importance of Quality in CPR
2. Discuss the Safety of “Hands-on” Defibrillation
3. Evaluate Manual vs Mechanical CPR
Prehospital CRM – Maximal Simultaneous Activity with Minimal BandwithSMACC Conference
Veteran Airforce Pararescueman turned critical care paramedic, Mike Lauria inspires his audience to control cognitive load to maximize band-with. Teaching to prioritize, manage and share, Mike delivers the secrets to enhancing performance.
Vic Brazil opens smaccGOLD with a powerful insight into how conflict between "tribes" in our everyday working environment can adversely impact upon patient care.
This is a lecture by Dr. Pamela Fry from the Ghana Emergency Medicine Collaborative. To download the editable version (in PPT), to access additional learning modules, or to learn more about the project, see http://openmi.ch/em-gemc. Unless otherwise noted, this material is made available under the terms of the Creative Commons Attribution Share Alike-3.0 License: http://creativecommons.org/licenses/by-sa/3.0/.
Deirdre talks ‘bad blood’ – the complex world of critical care haematology.
Critically ill patients frequently have activation of inflammatory and clotting pathways. These are likely adaptive responses in the human.
When they run riot, or the fine balance between pro- and anti-inflammatory states is shifted, there can be significant morbidity and mortality.
Deirdre presents three patients to highlight these issues and what you can do about it. This acronym-busting talk will focus on some acquired haematological disorders in critically ill patients.
Platelets make up a tiny percentage of blood – just 0.01%. However, they have a crucial role to play. A low platelet count can be due to reduced production or increased destruction.
Disseminated Intravascular Coagulation (DIC) is a clinical and laboratory diagnosis that affects about 1% of hospitalised patients. At the most severe end it is associated with bleeding and/or thrombotic complications. Disorders such as thrombotic thrombocytopenia purpura (TTP) and other forms of micro-angiopathic haemolytic anaemia (MAHA) will also be described including the role of ADAMST13.
The knowledge of what is what, is critical, as it will dictate treatment. Heparin-Induced Thrombocytopaenia (HIT) is an uncommon but important condition which is difficult to diagnose in a critically ill patient. It is a heparin dependent pro-thrombotic disorder. There is no good test for HIT.
Have you always wondered about NETs (neutrophil extracellular traps) and their importance? If so this whistle-stop tour of non-malignant hematology in the ICU is for you!
Deirdre drives home the message that low platelets are common in the critically ill and the causes are multifactorial.
Finally, for more like this head to our podcast page. #CodaPodcast
Anyone Can Intubate, or Not: Teaching airway skills the antifragile waySMACC Conference
Becoming competent in airway management requires good decision making and and technical skills. Ultimately what matters is how your clinical performance impacts patient outcomes. For this we need to have a clear understanding of what defines success ensuring that its more than just 'getting the tube'. Come to this talk and you'll experience a Canadian take on Guinness, adventure sports, flying a plane and how other factors including failure influence airway management outcomes.
Stuart Lane on prognostication post out of hospital cardiac arrestSMACC Conference
Always controversial, always entertaining, the fearsome but loveable Geordie Stuart Lane gives an excellent summary of a core ICU topic: managing out of hospital cardiac arrests. Nearly at the end of the BCC3 series - and in only a month we're doing it all again, this time in tropical Cairns - come and join us.
Presentation from the SWEETs 16 conference, Sweden. This presentation works on the applications of simulation for a major change management project in becoming ready for the closure of a paediatric hospital and the impact on an adult emergency department.
This Talk is a Summary of:
1. Review the Importance of Quality in CPR
2. Discuss the Safety of “Hands-on” Defibrillation
3. Evaluate Manual vs Mechanical CPR
Prehospital CRM – Maximal Simultaneous Activity with Minimal BandwithSMACC Conference
Veteran Airforce Pararescueman turned critical care paramedic, Mike Lauria inspires his audience to control cognitive load to maximize band-with. Teaching to prioritize, manage and share, Mike delivers the secrets to enhancing performance.
Vic Brazil opens smaccGOLD with a powerful insight into how conflict between "tribes" in our everyday working environment can adversely impact upon patient care.
This is a lecture by Dr. Pamela Fry from the Ghana Emergency Medicine Collaborative. To download the editable version (in PPT), to access additional learning modules, or to learn more about the project, see http://openmi.ch/em-gemc. Unless otherwise noted, this material is made available under the terms of the Creative Commons Attribution Share Alike-3.0 License: http://creativecommons.org/licenses/by-sa/3.0/.
GEMC- COPD in the Emergency Department- Resident TrainingOpen.Michigan
This is a lecture by Dr. Frank Madore from the Ghana Emergency Medicine Collaborative. To download the editable version (in PPT), to access additional learning modules, or to learn more about the project, see http://openmi.ch/em-gemc. Unless otherwise noted, this material is made available under the terms of the Creative Commons Attribution Share Alike-3.0 License: http://creativecommons.org/licenses/by-sa/3.0/.
GEMC: Collagen Vascular Disease: Considerations for Emergent Management: Resi...Open.Michigan
This is a lecture by Dr. Joseph Hartmann from the Ghana Emergency Medicine Collaborative. To download the editable version (in PPT), to access additional learning modules, or to learn more about the project, see http://openmi.ch/em-gemc. Unless otherwise noted, this material is made available under the terms of the Creative Commons Attribution Share Alike-3.0 License: http://creativecommons.org/licenses/by-sa/3.0/.
GEMC- Case of the Week #2- for ResidentsOpen.Michigan
This is a lecture by Pamela Fry from the Ghana Emergency Medicine Collaborative. To download the editable version (in PPT), to access additional learning modules, or to learn more about the project, see http://openmi.ch/em-gemc. Unless otherwise noted, this material is made available under the terms of the Creative Commons Attribution Share Alike-3.0 License: http://creativecommons.org/licenses/by-sa/3.0/.
GEMC - Infectious Disease Overview - for NursesOpen.Michigan
This is a lecture by Katherine A Perry from the Ghana Emergency Medicine Collaborative. To download the editable version (in PPT), to access additional learning modules, or to learn more about the project, see http://openmi.ch/em-gemc. Unless otherwise noted, this material is made available under the terms of the Creative Commons Attribution Share Alike-3.0 License: http://creativecommons.org/licenses/by-sa/3.0/.
GEMC: Mesenteric Ischemia: Resident Training Open.Michigan
This is a lecture by Dr. Andrew Barnosky from the Ghana Emergency Medicine Collaborative. To download the editable version (in PPT), to access additional learning modules, or to learn more about the project, see http://openmi.ch/em-gemc. Unless otherwise noted, this material is made available under the terms of the Creative Commons Attribution Share Alike-3.0 License: http://creativecommons.org/licenses/by-sa/3.0/.
GEMC- A Pain in the Neck- Resident TrainingOpen.Michigan
This is a lecture by Hannah Smith, MD from the Ghana Emergency Medicine Collaborative. To download the editable version (in PPT), to access additional learning modules, or to learn more about the project, see http://openmi.ch/em-gemc. Unless otherwise noted, this material is made available under the terms of the Creative Commons Attribution Share Alike-3.0 License: http://creativecommons.org/licenses/by-sa/3.0/.
A case presentation of Tuberculous Meningitis. Management Included. This patient had experienced Drug-induced Hepatitis because of prescription reading error
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This is a lecture by Jim Holliman, MD from the Ghana Emergency Medicine Collaborative. To download the editable version (in PPT), to access additional learning modules, or to learn more about the project, see http://openmi.ch/em-gemc. Unless otherwise noted, this material is made available under the terms of the Creative Commons Attribution Share Alike-3.0 License: http://creativecommons.org/licenses/by-sa/3.0/.
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GEMC: Meningitis and Other CNS Infections: Resident Training
1. Project: Ghana Emergency Medicine Collaborative
Document Title: Meningitis and Other CNS Infections
Author(s): Frank Madore, MD
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3. Meningitis
and other CNS infections
Frank Madore, MD
Hennepin County Medical Center
Minneapolis, MN, USA
3
5. history
n
first described by Viesseux in 1805
n
Flexner developed antiserum in 1913
n
antibiotic use began in 1930s-40s
n
high morbidity and mortality to this day
– 20-40% depending on organism
– 30% with residual deficits
n
changing landscape of causative organisms
based on vaccination patterns
5
7. epidemiology
n
meningitis endemic in parts of Africa
n
occurs in epidemics in US
– incidence is 5-10/100,000 per year, winter
– 80% are Neisseria and Strep pneumo
– viral meningitis twice as common, summer
n
n
encephalitis less common but incidence rising
due to West Nile Virus
rare brain abscesses due to sinusitis, otitis
media, immunocompromised
7
11. risk factors
n
age <5 or >60
n
male
n
african descent
n
crowding
n
sickle cell disease
n
malignancy
n
etoh, DM
n
recent ENT surgery or head injury
11
13. clinical presentation
n
n
n
n
often have a primary source of infection on
exam (PNA, UTI, sinusitis, OM, etc.)
purpuric rash with menincococcemia
Kernig Sign – can't extend knee to 180 while
laying supine with hip in flexion
Brudzinski Sign – 5 described, 2 used now
– contralateral – flexion of one hip causes flexion
of the other hip
– neck – flexion of neck causes hip flexion
n
jolt acceleration of headache
13
14. complications
n
n
n
acute – coma, seizure, loss of airway reflexes,
respiratory arrest, cerebral edema, DIC,
dehydration, death
delayed – seizures, paralysis, cognitive deficits,
hydrocephalus, hearing loss, ataxia, blindness,
death
complications from viral meningitis are rare
14
16. etiology
n
n
usually viral – HSV, HHV, west nile virus,
arbovirus, VZV, EBV
occasionally idiopathic, post infectious, or
bacterial (mycoplasma pneumoniae)
16
17. pathophysiology
n
n
n
innoculation occurs via various mechanisms
depending on the virus
viremia, proliferation within neurons, or invasion
via nasal mucosa
CSF invasion similar to meningitis but less of an
immune response if viral → fewer neurologic
sequelae in most patients
17
18. clinical presentation
n
symptoms similar to meningitis, except:
n
almost all have AMS
n
personality changes
n
focal neurologic signs
n
higher incidence of seizure
n
hallucinations, bizarre behavior
– may precede other signs → psych dx
18
19. complications
n
n
n
n
dependent on etiologic agent
Japanese, Eastern equine, and St. Louis
encephalitis have high M&M
West Nile Virus infects few but has significant
mortality
HSV mortality dropped from 70% to 30% with
acyclovir
– survivors: seizure, motor/cognitive deficits
n
n
TB M&M vary based on duration
fungal mortality high, morbidity low
19
21. etiology
n
n
n
usually invasion from more common ENT
infections (otitis media, sinusitis, dental
infections, etc.)
streptococcus milleri most common
also bacterioides, staph aureus,
propionbacterium, enterobacteriae
21
22. clinical presentation
n
n
n
n
n
similar to encephalitis, often difficult to
differentiate clinically
usually subacute (>2 weeks onset) course of
illness
often have papilledema
acute worsening can occur with rupture of
abscess into ventricles or with uncal herniaton
can mimic intracranial hemorrhage
22
23. complications
n
mortality >50% without aggressive care
– <20% with surgical aspiration + abx
n
80% develop seizure disorder
n
cognitive deficits, focal neuro deficits common
n
epidural abscess → paralysis, motor & sensory
deficits, bowel/bladder dysfunction
23
25. CT before LP?
n
unnecessary in most patients with suspected
meningitis, except:
– focal neuro deficits
– altered mental status/coma
– papilledema
– seizures
– trauma
n
CT and LP should not delay treatment
n
abx → CT if needed → LP
25
26. lumbar puncture
n
collect at least 3 tubes of 1 mL each
n
opening pressure = 5-20 cm H2O
n
cell count <5 WBC/mm3
n
differential <1 PMN/mm3
n
protein = 15-45 mg/dL
n
glucose = 60% blood glucose
n
gram stain/AFB
n
culture, specific antigen tests
26
27. adjuncts to LP
n
blood cultures
– often have higher yields for bacteria
n
CBC w/diff
– don't let it talk you out of an LP
n
chemistry panel
– compare glucose to CSF, renal function
n
CXR
– 50% w/strep pnuemo meningitis have PNA
n
EEG – encephalitis (HSV)
27
29. resuscitation
n
fulminant presentation
– septic shock
– seizures
– cerebral edema
– hypoxia
– loss of airway reflexes
n
standard supportive measures
– mannitol for cerebral edema
– empiric antibiotics as soon as possible
29
30. antibiotic regimen
n
vancomycin plus
– ceftriaxone or
– cefotaxime or
– meropenem or
– chloramphenicol
n
add ampicillin if >50 yrs
n
neonates: cefotaxime + ampicillin
n
special cases: penetrating trauma, post
neurosurgery, VP shunt
30
31. other medications
n
acyclovir for suspected HSV
n
INH, rifampin, etc. for TB
n
amphotericin B for fungal (not in ED)
n
flagyl for CNS abscess
– also early neurosurgical consultation
31
32. steroids in meningitis
n
n
n
n
dexamethasone has been shown to reduce
cerebral edema, ICP, CSF lactate
past studies with variable results
randomized controlled study in sub-Saharan
Africa showed no benefit in children
randomized controlled study in Vietnam showed
reduction of long-term neurologic sequelae with
dexamethasone >14 yo
– dexamethasone for strep pneumoniae
32
33. chemoprophylaxis
n
n
rifampin 600 mg x4 doses in household
contacts
ciprofloxacin 500 mg x1 dose in HCW with
direct contact (intubation, suctioning)
33
34. disposition
n
n
admit
can consider d/c if symptoms are classic for
viral meningitis and follow up within 24 hours
can be ensured
– often viral meningitis is admitted on abx until
bacterial causes can be excluded
34
36. in conclusion...
n
suspicion of CNS infection mandates LP unless
contraindications to blind LP exist
– in which case, perform HCT first
n
n
do not delay abx for HCT or LP
evaluation for CNS infection in a patient with
the right symptoms should not stop if another
infection is found
– many have hematogenous spread from PNA or
UTI
36