इंट्रावेनस थेरेपी वाले मरीज में अत्यधिक फ्लूइड ओवरलोड (Fluid overload) प्रत्यक्ष रूप से किसका कारण बनता है?

A patient presents with vomiting, reduced consciousness, and slow, deep Kussmaul breathing. He has signs of severe dehydration, a history of polydipsia, and polyuria. ABG analysis shows: pH 7.20, PaO2 90 mmHg, PaCO2 23 mmHg, and HCO3- 12 mmol/L. What is the correct acid-base interpretation?

A 55-year-old man with known COPD presents with an acute exacerbation. ABG analysis reveals: pH 7.30, PaCO2 68 mmHg, HCO3- 28 mmol/L, and PaO2 60 mmHg. What is the correct acid-base interpretation?