LM is an 86-year-old female admitted to the emergency department with delirium

LM is an 86-year-old female admitted to the emergency department with delirium. Her spouse is with her and verifies that LM adheres to the medications she is currently prescribed. She does not self-monitor her BP or heart rate at home.
PMH:
• A Fib diagnosed 1 month ago
• HTN x 10 years
• CKD x 5 years
• Osteoarthritis x 7 years
• GERD x 20 years
Medications:
• Digoxin 0.25 mg QD
• Metoprolol XL 25mg QD
• Warfarin 3 mg QD
• APAP 650 mg TID
• Omeprazole 20mg QD
• Multivitamin QD
Allergies: NKDA
Social History:
• Married to husband for 57 years
• No smoking, alcohol, limited daily exercise (short walks each morning)
Family History:
None reported
Vitals: Labs:
Wt 113 lbs Ht 5’4” Na+ 138 K+ 4.0
BP 101/58, HR 52 Cl- 99 CO2 27
BUN 33 Cr 1.2
Gluc 109 INR 3.8
Dig 2.4
PE:
Elderly female with altered level of consciousness, no signs of bruising, bleeding, or other injury.
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Write a 2 to 3-page paper that addresses the following: (There will be a penalty for extra-long papers)
Explain how the factor you selected might influence the pharmacokinetic and pharmacodynamic processes in the patient from the case study you were assigned.
Describe how changes in the processes