EXAM 6 Flashcards
Onset of DKA
SUDDEN
ONSET of HHS
GRADUAL
Precipitating factors of DKA
Infection
Stress
INADEQUATE INSULIN DOSAGE
Precipitating factors of HHS
Infection/Stress
INADEQUATE FLUID INTAKE
Manifestations of DKA
Ketosis: Kussmaul respirations: “rotting fruit” breath Nausea/ ABD pain.
DEHYDRATION or electrolyte loss: Polyuria/Polydipsia/ Weight loss/Dry Skin/Sunken eyes/Soft eyeballs/lethargy/ Coma.
Manifestations of HHS
Altered CNS function with neurologic symptoms.
DEHYDRATION or ELECTROLYTE LOSS.
Glucose for DKA
Greater than 300
Glucose for HHS
Greater than 600
Osmolarity DKA
HIGH or NORMAL
Osmolarity of HHS
GREATER than 320
SERUM KETONES IN DKA
POSITIVE at 1:2 dilutions
SERUM KETONES IN HHS
NEGATIVE
SERUM PH in DKA
LESS than 7.5
SERUM PH in HHS
GREATER THAN 7.35
HCO3 in DKA
LESS than 15
HCO3 in HHS
GREATER than 20
Serum SODIUM for DKA
Low/NORMAL/high
Serum SODIUM HHS
Normal or LOW
BUN in DKA
Greater than 30
ELEVATED because of DEHYDRATION
BUN in DKA
ELEVATED
CREATinine in DKA
GREATER than 1.5
Because of DEHYDRATION
Creatinine of HHS
ELEVATED
Urine ketones for DKA
POSITIVE
Urine Ketones for HHS
Negative
DKA occurs in what type of diabetic?
Type 1
What is the most common precipitating factor of DKA?
Infection
What is the mortality rate even with treatment?
10%
What is the onset time of DKA?
4-10hrs
What will be your potassium levels with DKA?
HIGH
What will be you VS with DKA?
Tachycardia Hypotension Tachypnea (Kussmaul Respirations) Normal to low O2 Abdominal Pain Normal to slightly high Temp
What will be the assessment findings of DKA?
Dry skin Flushed skin Polyuria Polydipsia Polyphagia Decreased LOC
What will the H&H be for DKA?
Hemoconcentration= HIGH H&H
HEMATOCRIT
GREATER than 45-52% for men
Greater than 37-48% women
HEMOGLOBIN GREATER than 13.5-17.5 for men Greater than 12.0-15.5 for women
Will people with DKA experience vomiting?
YES
What will a patients CVP be in DKA?
Below 9
What will a patient in DKA ABG’s be?
PH LOW less than 7.3
CO2 LOW less than 35
Bicarbonate LOW less than 22
What are the four priorities for a patient with DKA?
AIRWAY
HYDRATION
ELECTROLYTES
GLUCOSE
What are nursing interventions with a patient who has DKA?
AIRWAY & Breathing Cardiac monitoring & VS Chest X-ray Hourly BS Comfort Fluid&Insulin Patent IVs Safety Nutrition (slow-clear liquids to start) LOC Simple explanations reassurance 2-4hr BMPs VS Q15min Accurate I&O QHR LOC QHR CVP measurement Foley catheter Labs- WBC/CHEM/UA/ABGs 2 large bore IV's or central line.
What underlying diagnosis might elderly have to change nursing interventions for DKA?
CVD
RF
How do you restore volume and maintain perfusion for DKA?
0.9% NS 15-20mL/kg/hr for 1 HR BOLUS
0.45% NS 4-14 mL/kg/hr until glucose drops to 250
D5W 1/2NS as maintenance
Fluids need to replace volume loss 6-10 LITERS !!!!!
What is the drug therapy for DKA?
IV BOLUS 0.1U/kg
Continuous infusion 0.1U/kg/hr
SQ insulin when PO food/water returns
When is DKA considered an end point?
BS 200mg/mL
Serum bicarbonate: 18
Venous PH: 7.3 or greater
Anion gap less than 12
What are precautions when administering insulin for DKA?
ALWAYS use and insulin syringe
Insulin has to be PIGGYBACKED so it doesn’t clot off.
When is bicarbonate needed in DKA?
With a PH level below 7.0 or a bicarbonate level below 5.
What is important to assess before giving IV potassium solutions?
URRINE output is AT LEAST 30ml/HR.
What are s/s of HYPOKALEMIA?
Fatigue Malaise Confusion Muscle Weakness Shallow respirations Abdominal distention Paralytic ileus Hypotension Weak pulse
What is a common cause of death with DKA treatment?
Hypokalemia
What are the “sick day” rules for a patient with diabetes to monitor for DKA?
Monitor BG levels Q4HR
Test urine for ketones when BS is greater than 240.
Continue Insulin regimen.
Drink 8-12oz of SUGAR FREE fluid per hour of awakens.
If BS is low drink sugar drinks.
Continue to eat.
Get plenty of rest.
What are the danger signals that a diabetic need to notify HCP about?
Persistent N/V
Moderate or large Ketones
BG high after 2 dose of insulin.
Temp above 101.5 or fever for longer than 24hrs.
How do you perform an anion gap?
SODIUM minus the result of your CL added to your Bicarbonate.
What is the normal anion gap?
7-9
What is the goal for insulin therapy?
Drop the glucose by 50-75 units PER HOUR.
What does the anion gap need to be to represent metabolic acidosis?
GREATER than 10-12.
What do you do to prevent hypokalemia with insulin treatment for DKA?
Potassium replacement is initiated after serum levels fall below 5.0.
When nausea is present with a patient that is ill and has diabetics what is the intervention?
Take liquids that contains both glucose and electrolytes: Soda pop/ diluted fruit juice/Gatorade
What is the most common manifestations of HHS?
BS above 600 Dehydration Hyper osmolarity Hypokalemia Decrease renal perfusion ELDERLY TYPE 2 diabetics
What are the causes of HHS?
Infection Stress Environment MI Sepsis Pancreatitis Stroke Medications
Are there ketones in HHS? WHY?
NO KETONES.
Because there is just enough insulin production to prevent ketoacidosis
Why does HHS happen more often in the elderly?
Decreased kidney function which leads to decreased ability for the kidneys to re absorb the glucose which leads to increased glucose levels or HHS. DEHYDRATION also leads to decreased volume which further reduces glomerular filtration rate and casing glucose levels to rise.
What is the mortality rate for the orderly population that have HHS?
40-70%
Will HHS occur in adequately hydrated patients?
NO