SIRS and Sepsis Flashcards
4 key interventions
*very important
1 ) labs & diagnostics
- include blood cultures and lactate
2 ) antibiotics
- usually broad spectrum
3 ) IV fluids
- bolus (rapid administration)
4 ) monitoring
GCS
best response = 15
comatose pt = 8 or less
totally unresponsive = 3
SIRS vs Sepsis
sepsis = SIRS + suspected source of infection
reasons for increased risk of sepsis
1 ) age (very young vs. very old)
2 ) immuno-suppressant drugs\
- autoimmune, organ transplant
3 ) multiple comorbidities
- chronic diseases
4 ) invasive devices
- central line, parenteral, long-term urinary catheter, indwelling catheter
infection source examples
lungs - bronchitis, pneumonia
urinary tract - catheter
abdomen - surgical wounds, diverticulitis, obstructive cholelithiasis or gallbladder inflammation, appendicitis,
skin & soft tissue - cellulitis, ulcers
blood -
central lines - PIC
peritoneal - peronistis
septic shock
- severe sepsis w/ hypotension that doesn’t resolve despite IV fluid resuscitation
hypotension defined as: - SBP <90mmHg or MAP less than 65 mmHg
AND/OR
lactate > or = 2.0 mmol/L
septic shock = sepsis + persistent hypotension
- Labs/ Diagnostics
what labs do we need to ensure are drawn in query sepsis?
- blood cultures
- lactate
what other labs do we need?
- CBC
- inflammatory marker CRP and procalcitonin
- arterial blood gas to measure pH (venous)
- glucose level (goes up in sepsis)
other diagnostic tests are:
- chest x-ray, 12 lead, ECG
- cultures for infection
what is lactate?
chemical naturally produced by the body to fuel the cells in times of stress
over 4 mmol/L = 27% mortality rate
guide for determining the severity and determining the effectiveness of the treatment
L-lactate = form associated w/ sepsis
- Antibiotics
what type of antibiotic will be given first?
- broad spectrum
How long do you wait to administer the IV antibiotics if the blood cultures aren’t yet drawn?
- 30 min
when should antibiotics be given?
- if? shock = within an hour
- if no shock = maybe up to 3 hrs
- IV fluids
- initial IV infusion and hydration orders
- ensure at least #2o gauge IV access is in place
- start IV bolus (3omL/kg of IV crystalloid w/in 3h)
- may insert a second IV access in necessary
Note:
repeat vitals, chest ausc and doc prior and following each fluid bolus
- Monitoring
- vital signs and O2 sat Q1h x 6h, then Q4h x 12h
- GCS Q1h x6h
- monitor urine output if able (may insert foley cath as necessary)
- call MD if any deterioration of vs or u/o <25 cc/hr (non-dialysis pt)
call MD and ICU outreach team if:
- RR <10 or >30
- O2 sat <90%
- P <40 or >140
- systolic BP <90 mmHg
- sudden change in LOC
critical organs
heart, lungs, brain
less critical:
kidneys = decreased urine output
vasopressors and inotropes
norepinephrine
dopamine
vasopressin
- given via central lines or bore IVs
persistent hypotension
what other supportive treatments may be given?
1 ) minimizing the risk of hospital acquired infections
2 ) source control
3 ) aggressive pulmonary management
4 ) reducing O2 demand and increasing O2 delivery
5 ) providing early and optimal nutrition
6 ) providing tight glycemic control
multiple organ dysfunction syndrome (MODS)
- fine line between septic shock and MODS
- altered function in 2 or more organs
MODS S&S
lungs - crackles
liver -
GI tract - hypomobile
kidneys -
brain -
heart -
MODS treatment
maintaining adequate tissue oxygenation is the principle target
- best strategy is to prevent MODS
– preventing sepsis