Endocrine - UWorld Flashcards
What is the Mechanism of Action (MOA) of Sodium-Glucose Cotransporter 2 (SGLT2) Inhibitors in the treatment of Type 2 DM?
INCREASES Renal Glucose Excretion –> decreased blood glucose levels
What are (4) common Side Effects of Sodium-Glucose Cotransporter 2 (SGLT2) Inhibitors in the treatment of Type 2 DM?
- Vulvovaginal Candidiasis
- Urinary Tract Infections (UTIs)
- Polyuria
- Hypotension
What should patients with Grave’s Disease be started on to reduce Hyperthyroid symptoms?
Beta Blockers
Once the Hyperthyroid symptoms are controlled (with BBs) in a patient with Grave’s Disease, what (3) Treatment Modalities could be used to achieve a Euthyroid state?
- Antithyroid Drugs,
- Radioactive Iodine, or
- Surgical Thyroidectomy
What is the Pathophysiology of Type 1 Diabetes Mellitus?
Insulin DEFICIENCY

What is the Pathophysiology of Type 2 Diabetes Mellitus?
Insulin RESISTANCE (with relative insulin deficiency)

What are (2) common Demographics related with Type 1 Diabetes Mellitus?
- Childhood to Early Adulthood (typically)
- Whites (more common)

What are (4) common Demographics related with Type 2 Diabetes Mellitus?
- Adulthood (rare in children but increasing in prevalence)
- Minorities (more common)
- Obese (more common)
- + Family History

Describe the Onset of Clinical Features for Type 1 Diabetes Mellitus:
Rapid (usually) with Osmotic Symptoms

Why is the exact Onset of Type 2 Diabetes Mellitus usually unknown?
Asymptomatic at onset (usually)

What do the C-Peptide levels show in Type 1 Diabetes Mellitus?
Low

What do the C-Peptide levels show in Type 2 Diabetes Mellitus?
Elevated (usually)

What Lab Finding is usually Present in Type 1 Diabetes Mellitus (absent in type 2 dm)?
Pancreatic Autoantibodies (eg, Glutamic Acid Decarboxylase Antibody)

What are (2) other Autoimmune ENDOCRINE disorders that often occur with Type 1 Diabetes Mellitus?
- Primary Adrenal Insufficiency
- Autoimmune Thyroid Disease

What are (3) other NONendocrine Autoimmune Disorders that often occur with Type 1 Diabetes Mellitus?
- Pernicious Anemia
- Vitilago
- Celiac Disease

What are (2) Types of Insulin Secretagogues used in Type 2 DM?
- Sulfonylureas
- Meglitinides
What is the Mechanism of Action (MOA) for Insulin Secretagogues (eg, sulfonylureas, meglitinides) in the treatment of Type 2 DM?
Increases Insulin Secretion by Inhibiting ß-Cell KATP channels.
What are (2) Side Effects of Insulin Secretagogues (eg, sulfonylureas, meglitinides) in the treatment of Type 2 DM?
- Hypoglycemia
- Weight Gain
Which Medication is known as a Biguanide in the treatment of Type 2 DM?
Metformin
What are (3) Mechanisms of Action (MOAs) for Biguanide medication (eg, Metformin) in the treatment of Type 2 DM?
- Stimulates AMPK & Inhibit Mitochondrial Gluconeogenesis.
- DECREASE Hepatic Glucose production.
- INCREASE Peripheral Glucose uptake.
What are (2) Side Effects of Biguanide medication (eg, metformin) in the treatment of Type 2 DM?
- Diarrhea
- Lactic Acidosis
What (2) Medications are known as Thiazolidinediones used in the treatment of Type 2 DM?
- Pioglitazone
- Rosiglitazone
What are (2) Mechanisms of Action (MOA) of Thiazolidinediones (eg, pioglitazone, rosiglitazone) in the treatment of Type 2 DM?
- Activate Transcription Regulator PPAR-γ
- DECREASE Insulin Resistance
What are (2) Side Effects of Thiazolidinediones (eg, pioglitazone, rosiglitazone) in the treatment of Type 2 DM?
- Fluid Retention from Heart Failure
- Weight GAIN
What (2) Medications are known as GLP-1 Agonists used in the treatment of Type 2 DM?
- Exenatide**
- Liraglutide**
What are the (3) Mechanisms of Action (MOA) for GLP-1 Agonists in the treatment of Type 2 DM?
- INCREASE Glucose-dependent Insulin Secretion.
- DECREASE Glucagon Secretion.
- Delay Gastric Emptying.

What is (1) Side Effect of GLP-1 Agonists in the treatment of Type 2 DM?
Pancreatitis

What (2) Medications are known as DPP4 Inhibitors in the treatment of Type 2 DM?
- Sitagliptin**
- Saxagliptin**

What is the Mechanism of Action for DPP4 Inhibitors in the treatment of Type 2 DM?
INCREASES Endogenous GLP-1 and GIP levels
What is (1) Side Effect of DPP4 Inhibitors in the treatment of Type 2 DM?
Nasopharyngitis

What (2) Medications are known as α-Glucosidase Inhibitors in the treatment of Type 2 DM?
- Acarbose
- Miglitol

What is the Mechanism of Action (MOA) for α-Glucosidase Inhibitors in the treatment of Type 2 DM?
DECREASE Intestinal Disaccharide Absorption
What are (2) Side Effects of α-Glucosidase Inhibitors in the treatment of Type 2 DM?
- Diarrhea
- Flatulence

What (2) Medications are known as SGLT2 Inhibitors in the treatment of Type 2 DM?
- Canagliflozin
- Dapagliflozin

What is the Mechanism of Action for SGLT2 Inhibitors in the treatment of Type 2 DM?
INCREASE Renal Glucose Excretion

What is Responsible for the Clinical Features associated with Hyperthyroidism?
Sympathetic Overactivity

What are (7) Clinical Features associated with Hyperthyroidism?
- Behavioral Disturbances
- Weight Loss
- Goiter
- Proptosis
- Tachycardia, with Wide Pulse Pressure
- Tremor, Hyperreflexia
- Warm, Clammy/Sweaty Skin

What are (3) Lab Findings in Grave’s Disease?
- Increased T3/T4
- Decreased TSH
- Positive Thyroid Stimulating Immunoglobulin (TSI)

What are (3) Treatments for Hyperthyroidism?
- Anti-Hyperthyroid meds (Methimazole, PTU)
- +/- Radioactive Iodine
- Surgical Thyroidectomy

What are (3) Complications of Hyperthyroidism?
- Arrhythmia
- Cardiomyopathy
- Osteoporosis
