Diabetic ketoacidosis (DKA) and hyperglycemic hyperosmolar state (HHS) are life-threatening emergencies characterized by severe hyperglycemia and electrolyte abnormalities. DKA is defined by blood glucose over 250 mg/dL, venous pH below 7.3, bicarbonate below 15 mEq/L, and ketonemia or ketonuria. HHS involves blood glucose over 600 mg/dL, venous pH above 7.3, and minimal ketone production. Treatment involves fluid resuscitation, insulin therapy to lower blood glucose, electrolyte replacement, and identifying/treating precipitating causes. Transition to subcutaneous insulin can occur when blood glucose is below
Diabetic ketoacidosis is a serious complication of diabetes that occurs when your body produces high levels of blood acids called ketones. The condition develops when your body can't produce enough insulin.
When your cells don't get the glucose they need for energy, your body begins to burn fat for energy, which produces ketones. Ketones are chemicals that the body creates when it breaks down fat to use for energy. The body does this when it doesn’t have enough insulin to use glucose, the body’s normal source of energy. When ketones build up in the blood, they make it more acidic.
Diabetic ketoacidosis (DKA) is a state of absolute or relative insulin deficiency aggravated by ensuing hyperglycaemia, dehydration, and acidosis producing derangements in intermediary metabolism.
Academic discussion/ Lecture class for 5th year MBBS students on Diabetic Emergencies, types, their sign-symptoms and managements. Most of the Data was taken from Davidson's Principles and Practice of Medicine.
The Diabetic coma is one the most dangerous and again emergent case experienced during dental care delivery. Actually it mistreated and aggravated-diabetic cases resulting coma, that is categorized into Hypoglycemic coma, Diabetic ketoacidosis and Hyperosmolar coma.
to download this presentation from this link
https://mohmmed-ink.blogspot.com/2020/11/diabetic-ketoacidosis.html
Diabetic Ketoacidosis, diabetus type 1 complection. diagnosisi and managment
Diabetic ketoacidosis is a serious complication of diabetes that occurs when your body produces high levels of blood acids called ketones. The condition develops when your body can't produce enough insulin.
When your cells don't get the glucose they need for energy, your body begins to burn fat for energy, which produces ketones. Ketones are chemicals that the body creates when it breaks down fat to use for energy. The body does this when it doesn’t have enough insulin to use glucose, the body’s normal source of energy. When ketones build up in the blood, they make it more acidic.
Diabetic ketoacidosis (DKA) is a state of absolute or relative insulin deficiency aggravated by ensuing hyperglycaemia, dehydration, and acidosis producing derangements in intermediary metabolism.
Academic discussion/ Lecture class for 5th year MBBS students on Diabetic Emergencies, types, their sign-symptoms and managements. Most of the Data was taken from Davidson's Principles and Practice of Medicine.
The Diabetic coma is one the most dangerous and again emergent case experienced during dental care delivery. Actually it mistreated and aggravated-diabetic cases resulting coma, that is categorized into Hypoglycemic coma, Diabetic ketoacidosis and Hyperosmolar coma.
to download this presentation from this link
https://mohmmed-ink.blogspot.com/2020/11/diabetic-ketoacidosis.html
Diabetic Ketoacidosis, diabetus type 1 complection. diagnosisi and managment
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Dear Dr. Kornbluth and Mr. Gorenberg,
The US House of Representatives is deeply concerned by ongoing and pervasive acts of antisemitic
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• The Committee on Oversight and Accountability is investigating the sources of funding and other support flowing to groups espousing pro-Hamas propaganda and engaged in antisemitic harassment and intimidation of students. The Committee on Oversight and Accountability is the principal oversight committee of the US House of Representatives and has broad authority to investigate “any matter” at “any time” under House Rule X.
• The Committee on Ways and Means has been investigating several universities since November 15, 2023, when the Committee held a hearing entitled From Ivory Towers to Dark Corners: Investigating the Nexus Between Antisemitism, Tax-Exempt Universities, and Terror Financing. The Committee followed the hearing with letters to those institutions on January 10, 202
3. DKA and HHS Are Life-Threatening
Emergencies
Diabetic Ketoacidosis (DKA) Hyperglycemic Hyperosmolar State (HHS)
Plasma glucose >250 mg/dL Plasma glucose >600 mg/dL
Arterial pH <7.3 Arterial pH >7.3
Bicarbonate <15 mEq/L Bicarbonate >15 mEq/L
Moderate ketonuria or ketonemia Minimal ketonuria and ketonemia
Anion gap >12 mEq/L Serum osmolality >320 mosm/L
3
4. Characteristics of DKA and HHS
Diabetic Ketoacidosis (DKA) Hyperglycemic Hyperosmolar State (HHS)
Absolute (or near-absolute) insulin
deficiency, resulting in
• Severe hyperglycemia
• Ketone body production
• Systemic acidosis
Severe relative insulin deficiency, resulting
in
• Profound hyperglycemia and
hyperosmolality (from urinary free
water losses)
• No significant ketone production or
acidosis
Develops over hours to 1-2 days Develops over days to weeks
Most common in type 1 diabetes, but
increasingly seen in type 2 diabetes
Typically presents in type 2 or previously
unrecognized diabetes
Higher mortality rate
4
5. DKA Hospital Discharges in the US
CDC. Diabetes data and trends. Hospitalization: DKA. Available from:
https://www.cdc.gov/diabetes/statistics/dkafirst/fig1.htm
Growth in Incidence 1988-2009
5
0
20
40
60
80
100
120
140
160
1988: 80,000 discharges 2009: 140,000 discharges
Number(thousands)
6. DKA Mortality in the US
CDC. Diabetes data and trends. DKA mortality. Available from:
https://www.cdc.gov/diabetes/statistics/mortalitydka/fnumberofdka.htm.
Decline in Incidence 1988-2009
6
0
500
1000
1500
2000
2500
3000
3500 1988: 3189 deaths 2009: 2417 deaths
Number
7. Death Rates for Hyperglycemic Crises as
Underlying Cause
Deathsper100,000
7
Rate per 100,000 Persons with Diabetes
By Age, United States, 2009
Age (years)
20.7
11.1
6.5
14.8
0
5
10
15
20
25
0-44 45-64 65-71 ≥75
CDC. Diabetes complications. Mortality due to hyperglycemic crises. Available from:
https://www.cdc.gov/diabetes/statistics/mortalitydka/fratedkadiabbyage.htm.
8. Causes of Morbidity and Mortality in DKA
• Shock
• Hypokalemia during
treatment
• Hypoglycemia during
treatment
• Cerebral edema
during treatment
(Specially in
Pediatrics)
• Hypophosphatemia
• Acute renal failure
• Adult respiratory
distress syndrome
• Precipitating illness,
including MI, stroke,
sepsis, pancreatitis,
pneumonia
8
15. Anion Gap Metabolic Acidosis
• The normal anion gap in mEq/L is calculated as:
[Na] - [Cl + HCO3]
• The normal gap is <12 mEq/L
• Causes of anion gap acidosis (unmeasured anions)
include:
– Ketoacidosis (diabetic, alcoholic)
– Lactic acidosis (lactate [underperfusion, sepsis])
– Uremia (phosphates, sulfates)
– Poisonings/overdoses (methanol, ethanol, ethylene glycol,
aspirin, paraldehyde)
• In ketoacidosis, the “delta” of the anion gap above
12 mEq/L is composed of anions derived from keto-
acids
15
16. Hyperchloremic Metabolic Acidosis
(Non-anion Gap)
• Hyperchloremic acidosis (ie, expansion acidosis)
is common during recovery from DKA due to
– Fluid replacement with saline (NaCl)
– Renal loss of HCO3
• Following successful treatment of DKA, a non-
anion–gap acidosis may persist after the
ketoacidosis has cleared (ie, after closing of the
anion gap)
• Closing of the anion gap is a better sign of
recovery from DKA than is correction of
metabolic acidosis
16
17. Significance of Ketone Measurements
• -hydroxybutyrate can only be measured using
specialized equipment not available in most in-
house laboratories
• During recovery, results from the nitroprusside test
might wrongly indicate that the ketone concentration
is not improving or is even getting worse
• The best biochemical indicator of resolution of keto-
acid excess is simply the anion gap
• There is no rationale for follow-up ketone
measurements after the initial measurement has
returned high
17
19. Clinical Presentation of
Diabetic Ketoacidosis
History
• Thirst
• Polyuria
• Abdominal pain
• Nausea and/or vomiting
• Profound weakness
Physical Exam
• Kussmaul respirations
• Fruity breath
• Relative hypothermia
• Tachycardia
• Supine hypotension,
orthostatic drop of blood
pressure
• Dry mucous membranes
• Poor skin turgor
19
Handelsman Y, et al. Endocr Pract. 2016;22:753-762.
Patients with any form of diabetes
who present with abdominal pain,
nausea, fatigue, and/or dyspnea
should be evaluated for DKA.
20. Lab Findings in DKA
• Hyperglycemia
• Usually >250 mg/dL
• Lower blood glucose values possible, especially under
metabolically stressful conditions (eg, prolonged fasting,
carbohydrate avoidance, extreme sports/physical exertion,
myocardial infarction, stroke, severe infection, surgery)
• Increased blood and urine ketones
• High -hydroxybutyrate
• High anion gap
• Low arterial pH
• Low PCO2 (respiratory compensation)
20
Handelsman Y, et al. Endocr Pract. 2016;22:753-762.
21. Clinical Presentation of
Hyperglycemic Hyperosmolar State
• Compared to DKA, in HHS there is greater
severity of:
– Dehydration
– Hyperglycemia
– Hypernatremia
– Hyperosmolality
• Because some insulin typically persists in HHS,
ketogenesis is absent to minimal and is
insufficient to produce significant acidosis
21
22. Clinical Presentation of
Hyperglycemic Hyperosmolar State
Patient Profile
• Older
• More comorbidities
• History of type 2 diabetes,
which may have been
unrecognized
Disease Characteristics
• More insidious development
than DKA (weeks vs
hours/days)
• Greater osmolality and mental
status changes than DKA
• Dehydration presenting with a
shock-like state
22
23. Electrolyte and Fluid Deficits in
DKA and HHS
Parameter DKA* HHS*
Water, mL/kg 100 (7 L) 100-200 (10.5 L)
Sodium, mmol/kg 7-10 (490-700) 5-13 (350-910)
Potassium, mmol/kg 3-5 (210-300) 5-15 (350-1050)
Chloride, mmol/kg 3-5 (210-350) 3-7 (210-490)
Phosphate, mmol/kg 1-1.5 (70-105) 1-2 (70-140)
Magnesium, mmol/kg 1-2 (70-140) 1-2 (70-140)
Calcium, mmol/kg 1-2 (70-140) 1-2 (70-140)
* Values (in parentheses) are in mmol unless stated otherwise and refer to the total
body deficit for a 70 kg patient.
Chaisson JL, et al. CMAJ. 2003;168:859-866.
23
28. Management of DKA and HHS
Replacement of fluids losses (Fluids)
Correction of hyperglycemia (Insulin)
Correction of metabolic acidosis (Bicarbonate)
Replacement of electrolytes losses
Detection and treatment of precipitating causes
Conversion to a maintenance diabetes regimen
(prevention of recurrence)
Kitabchi AE, et al. Diabetes Care. 2009;32:1335-1343.
29.
30. Fluid Therapy in DKA
Reassess Volume status- If still Severe hypovolemia > NS @ 1L/hr (2-4 hr)
Adequate Hydration achieved > Calculate corrected serum sodium
High or normal
serum sodium
½ NS at 200-250
mL/h
Low serum sodium
NS at
200-250 mL/h
Change to D5%1/2NS
Glucose < 200 mg/dl
ADA. Diabetes Care. 2003;26:S109-S117.
Correct Hypovolemia with NS @ 1L/hr (2-4 hr)
31. Suggested Initial Rate of Fluid
Replacement*
31
*Average replacement after initial hemodynamic resuscitation with normal saline when
indicated
Chaithongdi N et al. Hormones (Athens). 2011;10:250-260.
Hours Volume
1st hour 1000 – 2,000 mL
2nd hour 1000 mL
3rd-5th hours 500 – 1000 mL/hour
6th-12th hours 250 – 500 mL/hour
32. IV bolus: 0.1 U/kg body weight
IV drip: 0.1 U/kg/h body weight
Glucose < 200 mg/dl
IV drip: 0.02 – 0.05 U/kg/h
until resolution of ketoacidosis
Intravenous Insulin Therapy in DKA
ADA. Diabetes Care. 2003;26:S109-S117.
If glucose doesn't decrease by 50-70 mg/dl in first hour; then double the dose of the drip
Goal blood glucose is 150-200 mg/dl until DKA resolves.
33. Potassium Repletion in DKA
• K+ >5.3 mEq/L
– Do not give K+ initially, but check serum K+ with basic
metabolic profile every 2 h
– Establish urine output ~50 mL/hr
• K+ <3.3 mEq/L
– Hold insulin and give K+ 20-30 mEq/hr until
K+ >3.3 mEq/L
• K+ = 3.3-5.3 mEq/L
– Give 20-30 mEq K+ in each L of IV fluid to maintain
serum K+ 4-5 mEq/L
33
34. ADA. Diabetes Care. 2003;26:S109-S117.
Phosphorus Administration
• Not routinely recommended
• If serum phosphorus < 1 mg/dL:
30-40 mmol K-Phos over 24 h
• Monitor serum calcium level
35. ADA. Diabetes Care. 2003;26:S109-S117.
Bicarbonate Administration
• pH > 7.0: no bicarbonate
• pH < 6.9 and/or bicarbonate < 5 mEq/L:
– Dilute NaHCO3( 100 mmol) in 400 ml H20 with 20
meq KCL( Infuse over 2 hrs)
– Repeat to keep goal pH above 7.0
36. Alternative to intravenous Insulin-
Subcutaneous Insulin Protocols
• Initial dose
– 0.3 U/kg of body weight, followed by 0.1 U/kg/h
• When BG <200 mg/dL in DKA or <250 mg/dL in HHS
– Change IVF to D5%-0.45% saline
– Reduce rapid acting insulin to 0.05 -0.1 unit/kg/h
– Keep glucose ≈ 200 mg/dL until resolution of DKA
Haw SJ, et al. In: Managing Diabetes and Hyperglycemia in the Hospital
Setting: A Clinician’s Guide. Draznin B, ed. Alexandria, VA: American
Diabetes Association; 2016;284-297.
36
37. When to Transition From
IV Insulin Infusion to SC Insulin
DKA
• BG <200 mg/dL and 2 of
the following
– HCO3 ≥15 mEq/L
– Venous pH >7.3
– Anion gap ≤12 mEq/L
HHS
• Normal osmolality and
regaining of normal
mental status
• Allow an overlap of 1-2 h
between subcutaneous
insulin and
discontinuation of
intravenous insulin
Kitabchi AE, et al. Diabetes Care. 2009;32:1335-1343.
37
38. Transition to Subcutaneous Insulin After
Resolution of DKA
After DKA/HHS Resolution
Give SC basal insulin 2 hours before stopping IV insulin
Start multi-dose insulin (basal bolus) regimen
• Insulin analogs are preferred over human insulin
• Basal: glargine or detemir
• Rapid-acting insulin analogs (lispro, aspart, glulisine)
• Analogs result in similar blood glucose control but less
hypoglycemia than human insulin (15% vs 41%)
Using early glargine insulin during treatment of DKA may prevent
rebound hyperglycemia during insulin infusion
Umpierrez G, Korytkowski M. Nat Rev Endocrinol. 2016;12:222-232.
39. DKA Management Pitfalls
• Not assessing for and/or treating underlying
cause of the DKA
• Not watching K+ closely enough and/or not
replacing K+ aggressively enough
• Following serial serum ketone concentrations
• Following serum bicarbonate instead of the
anion gap, with misinterpretation of expansion
acidosis as “persistent ketoacidosis”
• Interrupting IV insulin too soon (eg, patient not
yet eating, anion gap not yet closed)
39
40. DKA Management Pitfalls
• Occurrence of rebound ketosis consequent to
inadequate insulin dosing at transition (eg,
failure to give SC insulin when glucose is “low”
or injudicious use of sliding scale insulin)
• Inappropriate extension of hospitalization to
“fine-tune” an outpatient regimen
• Inadequate patient education and training
• Inadequate follow-up care
40
41. • Nonadherence to medication regimen
• Insulin error or insulin pump malfunction
• Poor “sick-day’ management
• Dehydration
• Renal insufficiency
• Infection (intra-abdominal, pyelonephritis, flu)
• Myocardial infarction, stroke
• Other endocrinopathy (rare)
• Steroid therapy, other drugs or substances
Possible Precipitating Causes or Factors
in DKA/HHS
41
42. DKA and SGLT2 Inhibitor Therapy
Findings
• In T1D and T2D, metabolic
changes shift substrate
metabolism from carbohydrate
to fat metabolism, predisposing
patients to development of
ketonemia and DKA during
SGLT2 inhibitor use
• Normal or modestly elevated
BG does not exclude the
diagnosis of DKA during
SGLT2 inhibitor use
Recommendations
• Stop SGLT2 inhibitor
immediately
– Symptoms of DKA
– Emergency surgery
• Stop SGLT2 inhibitor ≥24 hours
before
– Planned invasive procedures
– Anticipated stressful physical
activity (eg, marathon)
• Measure blood rather than urine
ketones for DKA diagnosis
• Advise patients taking SGLT2
inhibitors to avoid excess
alcohol and low-carbohydrate/
ketogenic diets
42
AACE Recommendations
Handelsman Y, et al. Endocr Pract. 2016;22:753-762.
44. Education
to Prevent DKA
• Recognize symptoms and findings that require
contact with a healthcare provider
• Prevent ketoacidosis through self-management
skills:
– Glucose testing
– Appropriate use of urine acetone testing
– Appropriate maintenance of insulin on sick days
– Use of supplemental insulin during illness
• Address social factors
44
45. Summary
• DKA and HHS are life-threatening emergencies
• Management involves
– Attention to precipitating cause
– Fluid and electrolyte management
– Insulin therapy
– Patient monitoring
– Prevention of metabolic complications during recovery
– Transition to long-term therapy
• Patient education and discharge planning should
aim at prevention of recurrence
45