Adrenal Disorders - Concept Map
Adrenal Gland Dysfunction & Pathophysiology
Related concepts
Adrenal Anatomy & Physiology
Sub concepts
- Adrenal Cortex (produces glucocorticoids, mineralocorticoids, androgens)
- Adrenal Medulla (produces catecholamines)
- HPA Axis (Hypothalamic-Pituitary-Adrenal feedback loop)
- Cortisol regulation via ACTH and CRH
- Circadian rhythm of cortisol secretion
Relationship to central
Foundation for understanding all adrenal disorders
Cushing's Syndrome - Hypercortisolism
Sub concepts
- Pathophysiology: Chronic excess glucocorticoid
- Causes: Exogenous (most common), Endogenous (Cushing's disease, adrenal tumor, ectopic ACTH)
- Clinical Manifestations: Moon face, buffalo hump, truncal obesity, thin extremities
- Skin changes: Purple striae, thin fragile skin, easy bruising
- Metabolic effects: Hyperglycemia, hypertension, hypokalemia
- Musculoskeletal: Osteoporosis, muscle weakness, poor wound healing
- Diagnostic tests: 24-hour urinary free cortisol, dexamethasone suppression test, ACTH level
- Nursing management and pharmacological interventions
- Post-adrenalectomy care and complications
Relationship to central
Excess cortisol state requiring recognition and management
Addison's Disease - Adrenal Insufficiency
Sub concepts
- Pathophysiology: Primary (autoimmune) vs Secondary (steroid withdrawal, pituitary failure)
- Clinical Manifestations: Hypotension, hyponatremia, hyperkalemia
- Hypoglycemia, weight loss, anorexia, nausea/vomiting/diarrhea
- Hyperpigmentation (bronze skin) - specific to primary Addison's
- Salt craving and dehydration
- Diagnostic tests: Low cortisol, ACTH stimulation test, electrolyte panels
- Lifelong hormone replacement: Glucocorticoid and mineralocorticoid
- Patient education: Never abruptly stop steroids, stress dosing
- Medical alert bracelet and emergency hydrocortisone kit
Relationship to central
Deficient cortisol and aldosterone requiring lifelong replacement
Addisonian (Adrenal) Crisis - Life-Threatening Emergency
Sub concepts
- Etiology: Stress, infection, trauma, surgery, abrupt steroid withdrawal
- Clinical presentation: Profound hypotension, shock, severe hyponatremia
- Severe hyperkalemia with cardiac dysrhythmias, hypoglycemia
- High fever, severe GI symptoms, vascular collapse
- Immediate priorities: IV hydrocortisone, IV fluids (NS with dextrose)
- Hyperkalemia management and cardiac monitoring
- Identification and treatment of precipitating factors
- Continuous monitoring of vitals, glucose, and electrolytes
Relationship to central
Acute decompensation requiring immediate intervention
Pheochromocytoma - Catecholamine Excess
Sub concepts
- Pathophysiology: Catecholamine-secreting tumor of adrenal medulla
- Classic triad: Severe headache, palpitations, profuse diaphoresis
- Severe paroxysmal hypertension, tremor, anxiety, flushing
- Hyperglycemia and metabolic effects
- Diagnostic tests: 24-hour urine metanephrines and VMA
- Imaging: CT/MRI for tumor localization
- Pre-operative management: Alpha-blockers FIRST, then beta-blockers
- Critical caution: DO NOT palpate abdomen (risk of hypertensive crisis)
- Surgical treatment: Adrenalectomy
- Post-operative management: Monitor for hypotension and adrenal insufficiency
Relationship to central
Benign tumor requiring surgical intervention and careful pre-operative management
Corticosteroid Therapy - Cross-Cutting Concept
Sub concepts
- Never abruptly discontinue steroids - always taper
- Mechanism of adrenal suppression with chronic use
- Stress dosing during physical illness or trauma
- Administration: Take with food in the morning
- Side effects: Hyperglycemia, hypertension, fluid retention, hypokalemia
- Immunosuppression and masked infection signs
- Osteoporosis risk and bone protection strategies
- Mood changes and psychological effects
- Patient adherence and medical alert systems
Relationship to central
Essential knowledge for managing adrenal disorders and preventing crises
Primary Hyperaldosteronism (Conn's Syndrome)
Sub concepts
- Aldosterone-secreting adrenal adenoma
- Sodium and water retention with potassium loss
- Resistant hypertension (difficult to control)
- Hypokalemia complications: Weakness, cramps, arrhythmias, polyuria
- Metabolic alkalosis
- Absence of edema despite sodium retention
- Potassium-sparing diuretics (spironolactone) management
- Surgical intervention: Adrenalectomy
Relationship to central
Related adrenal cortex disorder affecting sodium-potassium balance
Nursing Process Application in Adrenal Disorders
Sub concepts
- Assessment: NANDA nursing diagnoses related to fluid/electrolyte imbalance
- Imbalanced Nutrition: More or less than body requirements
- Risk for Infection related to immunosuppression
- Risk for Injury related to osteoporosis and musculoskeletal weakness
- Disturbed Body Image related to physical changes
- Ineffective Coping related to mood changes
- Fluid and Electrolyte Management (Maslow hierarchy prioritization)
- Planning: Expected outcomes and prioritization
- Intervention: Monitoring, patient education, safety measures
- Evaluation: Achievement of health outcomes
Relationship to central
Systematic approach to patient care aligned with RA 9173 and Philippine nursing standards
Concept connections
- Adrenal Cortex - GlucocorticoidsCushing's SyndromeExcess cortisol production leads to Cushing's syndrome manifestations
- Adrenal Cortex - MineralocorticoidsAddison's DiseaseDeficient aldosterone causes hyponatremia, hyperkalemia, and hypotension
- Cushing's SyndromeAddisonian CrisisRisk if adrenalectomy performed; cortisol production suddenly stops after surgery
- Addison's DiseaseAddisonian CrisisCrisis occurs when stress or stressor exceeds remaining adrenal capacity; direct progression if untreated
- Corticosteroid TherapyAddison's DiseaseChronic steroid use causes secondary adrenal insufficiency through suppression of HPA axis
- HPA Axis FeedbackCushing's SyndromeACTH level distinguishes pituitary (high ACTH) from adrenal tumor (low ACTH) causes
- Adrenal Medulla - CatecholaminesPheochromocytomaExcessive catecholamine secretion from medullary tumor causes classic triad
- PheochromocytomaHypertensive CrisisAbdominal palpation or beta-blocker alone can precipitate dangerous hypertensive emergency
- Cushing's SyndromeHypokalemiaCortisol has some mineralocorticoid effect; causes potassium wasting and hypokalemia
- Addison's DiseaseHyperkalemiaDeficient aldosterone reduces potassium excretion, causing dangerous hyperkalemia
- Primary HyperaldosteronismHypokalemiaAldosterone excess directly causes potassium loss and hypokalemia complications
- Cushing's SyndromeOsteoporosisExcess cortisol increases bone resorption and decreases calcium absorption
- Cushing's SyndromeInfection RiskExcess cortisol suppresses immune function; infections develop silently with masked signs
- Addison's DiseaseHyperpigmentationHigh ACTH in primary Addison's stimulates melanocyte activity causing bronze skin
- PheochromocytomaPre-operative Alpha-BlockerAlpha-blockade must precede beta-blockade to prevent unopposed alpha-mediated hypertensive crisis
- Addisonian CrisisIV HydrocortisoneIV steroid is the immediate life-saving priority in crisis management
- Addisonian CrisisHyperkalemiaLife-threatening hyperkalemia in crisis requires urgent treatment with calcium, insulin, bicarbonate
- Corticosteroid TherapyAdrenal SuppressionChronic exogenous steroids suppress endogenous ACTH and cortisol production
- Stress DosingAddison's ManagementPatients must increase glucocorticoid dose during physical stress to prevent crisis
- Cushing's SyndromeHypertensionCortisol has mineralocorticoid effects causing sodium/water retention and HTN
- Addison's DiseaseHypotensionDeficient aldosterone causes sodium/water loss leading to hypovolemia and hypotension
- Adrenal AnatomyPost-adrenalectomy HemorrhageAdrenal glands are highly vascular; surgical removal requires vigilant hemorrhage monitoring
- NANDA Nursing DiagnosesFluid and Electrolyte ImbalanceCore nursing diagnoses across all adrenal disorders based on electrolyte abnormalities
- Maslow HierarchyAddisonian Crisis PrioritizationPhysiological safety needs (correction of shock, electrolytes) are highest priority in crisis
- RA 9173Nursing ManagementPhilippine nursing practice law mandates scope of practice in adrenal disorder care and medication administration
Diagrams
Adrenal Disorders - Comprehensive Concept Hierarchy
Comprehensive mind map showing all major adrenal disorders, their pathophysiology, clinical features, diagnostics, and management strategies. This represents the full scope of content for Adrenal Disorders in Endocrine & Metabolic Nursing.
Cushing's Syndrome vs. Addison's Disease - Clinical Differentiation
Clinical decision tree for differentiating between Cushing's syndrome and Addison's disease using vital signs, electrolytes, and blood glucose. This is a key NLE testing strategy - reading the electrolytes can often distinguish between the two mirror-image disorders.
Addisonian Crisis - Emergency Management Algorithm
Emergency management flowchart for Addisonian crisis showing the immediate priorities: IV hydrocortisone, IV fluids with dextrose, hyperkalemia management, and identification of precipitating factors. This represents the life-saving intervention sequence for this acute endocrine emergency.
Pheochromocytoma - Pre-operative and Operative Management
Comprehensive management pathway for pheochromocytoma emphasizing the critical principle of alpha-blocker first before beta-blocker, the danger of abdominal palpation, and post-operative monitoring for hypotension and adrenal insufficiency complications.
Corticosteroid Therapy - Administration and Monitoring Guidelines
Comprehensive guideline for corticosteroid therapy administration and patient monitoring covering the critical principle of never abruptly stopping steroids, proper administration timing, side effects monitoring, stress dosing, and long-term safety measures.
Cushing's Syndrome - Pathophysiology and Clinical Progression
State diagram showing the progression of Cushing's syndrome from initial cortisol excess through early effects, progressive manifestations, and complications, leading to intervention and recovery. Illustrates the dynamic nature of the disease process.
Causes of Cushing's Syndrome - Clinical Distribution
Pie chart showing the relative frequency of different causes of Cushing's syndrome. The most common cause by far is exogenous corticosteroid therapy (80%), making this a critical teaching point about never abruptly stopping steroids in patients receiving long-term glucocorticoid therapy.
Diagnostic Testing Strategy - Identifying Adrenal Disorders
Systematic approach to diagnosing adrenal disorders based on clinical presentation and laboratory findings. Demonstrates how electrolyte patterns and cortisol levels guide differential diagnosis and specific confirmatory testing.