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Multi-System Disease Process, How normal physiology becomes altered, How…
Multi-System Disease Process
Underlying Pathophysiology
Normal physiologic state
Initial trigger or cause
infection
ischemia
metabolic stress
autoimmune process
Primary pathophysiologic alterations
systemic inflammation
impaired perfusion
cellular injury
hormonal dysregulation
Loss of homeostasis
→ drives multi-system dysfunction
Multi-System Functional Alterations
Cardiovascular System
Altered cardiac output
Vascular tone changes
Hypotension or hypertension
Reduced tissue perfusion
Renal System
Decreased glomerular filtration
Fluid retention or volume depletion
Electrolyte imbalances
Impaired waste elimination
Respiratory System
Altered gas exchange
Hypoxemia
Acid–base imbalance
Increased work of breathing
Endocrine / Metabolic System
Stress hormone release
Insulin resistance or deficiency
Altered glucose metabolism
Catabolic state
Clinical Manifestations
Early clinical signs
Progressive or worsening symptoms
Abnormal laboratory findings
electrolytes
arterial blood gases
biomarkers
Vital sign abnormalities
System-specific manifestations
Compensatory Mechanisms
Activation of compensatory pathways
sympathetic nervous system
renin–angiotensin–aldosterone system
Short-term benefits
maintenance of blood pressure
preservation of perfusion
Long-term consequences
increased organ stress
maladaptive responses
Eventual failure of compensation
Treatment Modalities
Treat the underlying cause
Antibiotics
immunosuppression
reperfusion
insulin therapy
Restore physiologic balance
Fluid resuscitation
Electrolyte correction
Oxygen therapy
Prevent further organ damage
Organ support measures
Continuous monitoring
Early intervention strategies
Disease Progression and Outcomes
Acute versus chronic progression
Potential complications
Prognosis with treatment
Prognosis without treatment
Impact on quality of life
How normal physiology becomes altered
How the disease affects multiple organ systems
What is observed clinically
Short-term vs long-term responses
Targeting underlying mechanisms