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How will you Calculate for fully compensated

Quick Answer:
The question shows: pH 7.52 (↑), pCO₂ 48 mmHg (↑), HCO₃ 33 mEq/L (↑) - answer D (Metabolic alkalosis, partially compensated) is correct.
For fully compensated, the pH would need to return to the normal range (7.35-7.45), while both the primary disturbance AND the compensatory change remain abnormal.
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Here is a full breakdown of how to calculate/determine fully compensated status for this ABG:

The Given Values

ParameterValueNormalStatus
pH7.527.35-7.45↑ Alkalotic
pCO₂48 mmHg35-45 mmHg↑ High
HCO₃33 mEq/L22-26 mEq/L↑ High

Step-by-Step ABG Interpretation

Step 1 - Identify the primary disorder

  • pH is alkalotic (>7.45)
  • HCO₃ is high → metabolic cause
  • Primary disorder = Metabolic Alkalosis

Step 2 - Check compensation (respiratory response)

In metabolic alkalosis, the lungs compensate by retaining CO₂ (hypoventilation), so pCO₂ rises.
Winter's Formula for Metabolic Alkalosis (expected pCO₂):
Expected pCO₂ = 0.7 × HCO₃ + 21 (± 2)
Plugging in:
Expected pCO₂ = 0.7 × 33 + 21 = 23.1 + 21 = 44.1 mmHg (± 2) → range: 42-46 mmHg
Actual pCO₂ = 48 mmHg → slightly above the expected range, but close - compensation is present and appropriate.

Why This is PARTIALLY Compensated (Not Fully)

ConditionpHPrimary ValueCompensatory Value
UncompensatedAbnormalAbnormalNormal
Partially compensatedAbnormalAbnormalAbnormal (moving toward correction)
Fully compensatedNormal (7.35-7.45)AbnormalAbnormal
  • This ABG is partially compensated because the pH is still abnormal (7.52) - outside the 7.35-7.45 range.
  • Compensation IS occurring (pCO₂ is rising to buffer the high HCO₃), but the pH has not yet returned to normal.

What Would Fully Compensated Look Like?

For this to be fully compensated metabolic alkalosis, you would need:
  • pH: 7.35-7.45 (back to normal)
  • HCO₃: still elevated (>26 mEq/L) - the primary problem persists
  • pCO₂: still elevated (>45 mmHg) - compensation still present
Example of fully compensated metabolic alkalosis:
pH = 7.44, pCO₂ = 50 mmHg, HCO₃ = 33 mEq/L
Here the pH is normal, but both values are still abnormal - that tells you compensation has brought the pH back to normal range.

Key Rule to Remember

"Fully compensated" = pH is normal, but both the primary and compensatory values remain abnormal.
The body never over-compensates - if the pH crosses to the other side (e.g., goes from alkalotic to acidotic), that is a separate disorder, not compensation.
So for this question's values (pH 7.52), the system has not yet brought the pH back to normal → partially compensated is correct (Answer D).

Create a visual ABG interpretation flowchart I can study

Reading File
Running Command

ls /home/daytona/workspace/ 2>/dev/null || mkdir -p /home/daytona/workspace/abg-flowchart

Running Command

mkdir -p /home/daytona/workspace/abg-flowchart && python3 << 'EOF' from PIL import Image, ImageDraw, ImageFont import textwrap # Canvas W, H = 2200, 3000 img = Image.new("RGB", (W, H), "#0D1B2A") draw = ImageDraw.Draw(img) # --- Color palette --- C = { "bg": "#0D1B2A", "panel": "#132338", "start": "#1E6B9E", "acid": "#C0392B", "alk": "#1A8B6F", "neutral": "#2C6FA8", "comp": "#7D3C98", "uncomp": "#B7770D", "partial": "#117A65", "full": "#1F618D", "arrow": "#7FB3D3", "text_w": "#FFFFFF", "text_lt": "#D6EAF8", "text_yel": "#F9E79F", "text_grn": "#A9DFBF", "text_red": "#F1948A", "border": "#2E86AB", "gold": "#F4D03F", "teal": "#1ABC9C", "purple": "#8E44AD", } # Try loading a decent font, fall back to default try: font_title = ImageFont.truetype("/usr/share/fonts/truetype/dejavu/DejaVuSans-Bold.ttf", 52) font_head = ImageFont.truetype("/usr/share/fonts/truetype/dejavu/DejaVuSans-Bold.ttf", 34) font_sub = ImageFont.truetype("/usr/share/fonts/truetype/dejavu/DejaVuSans-Bold.ttf", 28) font_body = ImageFont.truetype("/usr/share/fonts/truetype/dejavu/DejaVuSans.ttf", 26) font_small = ImageFont.truetype("/usr/share/fonts/truetype/dejavu/DejaVuSans.ttf", 22) font_tiny = ImageFont.truetype("/usr/share/fonts/truetype/dejavu/DejaVuSans.ttf", 19) font_bold = ImageFont.truetype("/usr/share/fonts/truetype/dejavu/DejaVuSans-Bold.ttf", 26) except: font_title = font_head = font_sub = font_body = font_small = font_tiny = font_bold = ImageFont.load_default() def rounded_rect(draw, xy, radius=18, fill=None, outline=None, width=2): x1,y1,x2,y2 = xy draw.rounded_rectangle([x1,y1,x2,y2], radius=radius, fill=fill, outline=outline, width=width) def centered_text(draw, x, y, text, font, fill): bbox = draw.textbbox((0,0), text, font=font) w = bbox[2]-bbox[0] draw.text((x - w//2, y), text, font=font, fill=fill) def arrow_down(draw, x, y, length=40, color="#7FB3D3", width=3): draw.line([(x, y), (x, y+length)], fill=color, width=width) draw.polygon([(x-8, y+length-12),(x+8,y+length-12),(x,y+length+4)], fill=color) def arrow_right(draw, x, y, length=40, color="#7FB3D3", width=3): draw.line([(x, y), (x+length, y)], fill=color, width=width) draw.polygon([(x+length-12, y-8),(x+length-12,y+8),(x+length+4,y)], fill=color) def arrow_left(draw, x, y, length=40, color="#7FB3D3", width=3): draw.line([(x, y), (x-length, y)], fill=color, width=width) draw.polygon([(x-length+12, y-8),(x-length+12,y+8),(x-length-4,y)], fill=color) def label_box(draw, cx, cy, w, h, text, bg, text_color, font, radius=14, outline=None, outline_w=2): x1, y1 = cx-w//2, cy-h//2 x2, y2 = cx+w//2, cy+h//2 rounded_rect(draw, [x1,y1,x2,y2], radius=radius, fill=bg, outline=outline or bg, width=outline_w) # multi-line lines = text.split("\n") total_h = sum(draw.textbbox((0,0), l, font=font)[3]-draw.textbbox((0,0), l, font=font)[1]+4 for l in lines) start_y = cy - total_h//2 for line in lines: bbox = draw.textbbox((0,0), line, font=font) lw = bbox[2]-bbox[0] lh = bbox[3]-bbox[1] draw.text((cx - lw//2, start_y), line, font=font, fill=text_color) start_y += lh + 4 # ===== TITLE ===== rounded_rect(draw, [40, 20, W-40, 110], radius=22, fill="#1A3A5C", outline=C["gold"], width=3) centered_text(draw, W//2, 36, "ABG Interpretation Flowchart", font_title, C["gold"]) centered_text(draw, W//2, 82, "Arterial Blood Gas | Step-by-Step Guide", font_small, C["text_lt"]) # ===== NORMAL VALUES BOX ===== rounded_rect(draw, [60, 125, W-60, 215], radius=16, fill="#0E2A42", outline=C["teal"], width=2) centered_text(draw, W//2, 132, "NORMAL VALUES", font_bold, C["teal"]) vals = [("pH", "7.35 – 7.45"), ("pCO₂", "35 – 45 mmHg"), ("HCO₃", "22 – 26 mEq/L"), ("pO₂", "80 – 100 mmHg")] vx = 200 for lbl, val in vals: draw.text((vx, 160), lbl + ":", font=font_bold, fill=C["text_yel"]) draw.text((vx + 80, 160), val, font=font_body, fill=C["text_w"]) vx += 460 # ===== STEP 1: pH ===== arrow_down(draw, W//2, 218, 35) label_box(draw, W//2, 295, 560, 64, "STEP 1: Check pH", "#1E3F5C", C["gold"], font_head, radius=18, outline=C["gold"], outline_w=3) arrow_down(draw, W//2, 328, 40) # Decision diamond: pH # Draw diamond def diamond(draw, cx, cy, w, h, fill, outline, width=3): pts = [(cx, cy-h//2),(cx+w//2, cy),(cx, cy+h//2),(cx-w//2, cy)] draw.polygon(pts, fill=fill, outline=outline) # inner border for i in range(width): shrink = i*2 inner = [(cx, cy-h//2+shrink),(cx+w//2-shrink, cy),(cx, cy+h//2-shrink),(cx-w//2+shrink, cy)] draw.polygon(inner, outline=outline, fill=None) diamond(draw, W//2, 420, 500, 100, "#163050", C["border"], 3) centered_text(draw, W//2, 408, "Is pH Normal?", font_head, C["text_w"]) centered_text(draw, W//2, 442, "(7.35 – 7.45)", font_small, C["text_lt"]) # YES -> right branch draw.line([(W//2+250, 420),(W//2+380, 420)], fill=C["teal"], width=3) draw.polygon([(W//2+368,412),(W//2+368,428),(W//2+384,420)], fill=C["teal"]) draw.text((W//2+255, 398), "YES", font=font_bold, fill=C["teal"]) # NO -> down arrow_down(draw, W//2, 470, 40) draw.text((W//2+12, 476), "NO", font=font_bold, fill=C["text_red"]) # Normal pH box label_box(draw, W//2+530, 420, 320, 100, "Normal pH\n(may be fully\ncompensated)", "#0E4035", C["text_grn"], font_small, radius=14, outline=C["teal"], outline_w=2) # ===== STEP 2: Acid or Alkalosis ===== label_box(draw, W//2, 548, 560, 64, "STEP 2: Acidosis or Alkalosis?", "#1E3F5C", C["gold"], font_head, radius=18, outline=C["gold"], outline_w=3) arrow_down(draw, W//2, 580, 38) # Two branches from pH decision # Acidosis left, Alkalosis right # Draw branching line draw.line([(W//2, 618),(W//2, 640)], fill=C["arrow"], width=3) draw.line([(550, 640),(1650, 640)], fill=C["arrow"], width=3) draw.line([(550, 640),(550, 680)], fill=C["arrow"], width=3) draw.line([(1650, 640),(1650, 680)], fill=C["arrow"], width=3) draw.polygon([(542,668),(558,668),(550,684)], fill=C["arrow"]) draw.polygon([(1642,668),(1658,668),(1650,684)], fill=C["arrow"]) draw.text((430, 644), "pH < 7.35", font=font_bold, fill=C["text_red"]) draw.text((1540, 644), "pH > 7.45", font=font_bold, fill=C["text_grn"]) # ACIDOSIS BOX label_box(draw, 550, 720, 380, 60, "ACIDOSIS", C["acid"], C["text_w"], font_head, radius=14) # ALKALOSIS BOX label_box(draw, 1650, 720, 380, 60, "ALKALOSIS", C["alk"], C["text_w"], font_head, radius=14) # ===== STEP 3: Primary cause ===== # Under Acidosis arrow_down(draw, 550, 750, 35) label_box(draw, 550, 820, 380, 58, "STEP 3: Primary Cause", "#2C1A4A", C["gold"], font_sub, radius=14, outline=C["gold"], outline_w=2) # Under Alkalosis arrow_down(draw, 1650, 750, 35) label_box(draw, 1650, 820, 380, 58, "STEP 3: Primary Cause", "#2C1A4A", C["gold"], font_sub, radius=14, outline=C["gold"], outline_w=2) # ACIDOSIS branches: Respiratory vs Metabolic arrow_down(draw, 550, 849, 35) draw.line([(550, 884),(550, 900)], fill=C["arrow"], width=3) draw.line([(330, 900),(770, 900)], fill=C["arrow"], width=3) draw.line([(330, 900),(330, 940)], fill=C["arrow"], width=3) draw.line([(770, 900),(770, 940)], fill=C["arrow"], width=3) draw.polygon([(322,928),(338,928),(330,944)], fill=C["arrow"]) draw.polygon([(762,928),(778,928),(770,944)], fill=C["arrow"]) draw.text((200, 903), "pCO₂ > 45", font=font_tiny, fill=C["text_red"]) draw.text((790, 903), "HCO₃ < 22", font=font_tiny, fill=C["text_red"]) label_box(draw, 330, 980, 280, 70, "Respiratory\nAcidosis", "#6E1A14", C["text_w"], font_sub, radius=14, outline=C["text_red"], outline_w=2) label_box(draw, 770, 980, 280, 70, "Metabolic\nAcidosis", "#6E1A14", C["text_w"], font_sub, radius=14, outline=C["text_red"], outline_w=2) # ALKALOSIS branches: Respiratory vs Metabolic arrow_down(draw, 1650, 849, 35) draw.line([(1650, 884),(1650, 900)], fill=C["arrow"], width=3) draw.line([(1430, 900),(1870, 900)], fill=C["arrow"], width=3) draw.line([(1430, 900),(1430, 940)], fill=C["arrow"], width=3) draw.line([(1870, 900),(1870, 940)], fill=C["arrow"], width=3) draw.polygon([(1422,928),(1438,928),(1430,944)], fill=C["arrow"]) draw.polygon([(1862,928),(1878,928),(1870,944)], fill=C["arrow"]) draw.text((1295, 903), "pCO₂ < 35", font=font_tiny, fill=C["text_grn"]) draw.text((1890, 903), "HCO₃ > 26", font=font_tiny, fill=C["text_grn"]) label_box(draw, 1430, 980, 280, 70, "Respiratory\nAlkalosis", "#0A4A2E", C["text_w"], font_sub, radius=14, outline=C["text_grn"], outline_w=2) label_box(draw, 1870, 980, 280, 70, "Metabolic\nAlkalosis", "#0A4A2E", C["text_w"], font_sub, radius=14, outline=C["text_grn"], outline_w=2) # ===== STEP 4: Compensation ===== # Arrow down from all 4 disorder boxes for cx in [330, 770, 1430, 1870]: arrow_down(draw, cx, 1015, 40) # STEP 4 header over each side label_box(draw, 550, 1090, 580, 54, "STEP 4: Check Compensation", "#2C1A4A", C["gold"], font_sub, radius=14, outline=C["gold"], outline_w=2) label_box(draw, 1650, 1090, 580, 54, "STEP 4: Check Compensation", "#2C1A4A", C["gold"], font_sub, radius=14, outline=C["gold"], outline_w=2) # Compensation formulas boxes arrow_down(draw, 330, 1117, 30) arrow_down(draw, 770, 1117, 30) arrow_down(draw, 1430, 1117, 30) arrow_down(draw, 1870, 1117, 30) # Resp Acidosis compensation formula label_box(draw, 330, 1205, 290, 110, "Expected HCO₃:\nAcute: +1 per\n 10 mmHg pCO₂↑\nChronic: +3.5 per\n 10 mmHg pCO₂↑", "#1A1040", C["text_lt"], font_tiny, radius=12, outline="#8E44AD", outline_w=2) # Met Acidosis compensation formula label_box(draw, 770, 1205, 290, 110, "Expected pCO₂\n(Winter's):\npCO₂ = 1.5×HCO₃\n + 8 (±2)", "#1A1040", C["text_lt"], font_tiny, radius=12, outline="#8E44AD", outline_w=2) # Resp Alkalosis compensation formula label_box(draw, 1430, 1205, 290, 110, "Expected HCO₃:\nAcute: -2 per\n 10 mmHg pCO₂↓\nChronic: -5 per\n 10 mmHg pCO₂↓", "#1A1040", C["text_lt"], font_tiny, radius=12, outline="#8E44AD", outline_w=2) # Met Alkalosis compensation formula label_box(draw, 1870, 1205, 290, 110, "Expected pCO₂:\npCO₂ = 0.7×HCO₃\n + 21 (±2)", "#1A1040", C["text_lt"], font_tiny, radius=12, outline="#8E44AD", outline_w=2) # ===== STEP 5: Degree of compensation ===== for cx in [330, 770, 1430, 1870]: arrow_down(draw, cx, 1260, 35) label_box(draw, 550, 1328, 580, 54, "STEP 5: Degree of Compensation", "#2C1A4A", C["gold"], font_sub, radius=14, outline=C["gold"], outline_w=2) label_box(draw, 1650, 1328, 580, 54, "STEP 5: Degree of Compensation", "#2C1A4A", C["gold"], font_sub, radius=14, outline=C["gold"], outline_w=2) for cx in [330, 770, 1430, 1870]: arrow_down(draw, cx, 1355, 35) # Three outcome boxes per disorder: Uncompensated, Partial, Full # === LEFT SIDE === for bx, cx in [(330, 330), (770, 770)]: # Branches draw.line([(bx, 1390),(bx, 1410)], fill=C["arrow"], width=2) draw.line([(bx-140, 1410),(bx+140, 1410)], fill=C["arrow"], width=2) draw.line([(bx-140, 1410),(bx-140, 1440)], fill=C["arrow"], width=2) draw.line([(bx, 1410),(bx, 1440)], fill=C["arrow"], width=2) draw.line([(bx+140, 1410),(bx+140, 1440)], fill=C["arrow"], width=2) draw.polygon([(bx-148,1428),(bx-132,1428),(bx-140,1444)], fill=C["arrow"]) draw.polygon([(bx-8,1428),(bx+8,1428),(bx,1444)], fill=C["arrow"]) draw.polygon([(bx+132,1428),(bx+148,1428),(bx+140,1444)], fill=C["arrow"]) # === RIGHT SIDE === for bx in [1430, 1870]: draw.line([(bx, 1390),(bx, 1410)], fill=C["arrow"], width=2) draw.line([(bx-140, 1410),(bx+140, 1410)], fill=C["arrow"], width=2) draw.line([(bx-140, 1410),(bx-140, 1440)], fill=C["arrow"], width=2) draw.line([(bx, 1410),(bx, 1440)], fill=C["arrow"], width=2) draw.line([(bx+140, 1410),(bx+140, 1440)], fill=C["arrow"], width=2) draw.polygon([(bx-148,1428),(bx-132,1428),(bx-140,1444)], fill=C["arrow"]) draw.polygon([(bx-8,1428),(bx+8,1428),(bx,1444)], fill=C["arrow"]) draw.polygon([(bx+132,1428),(bx+148,1428),(bx+140,1444)], fill=C["arrow"]) # Labels above branches for bx in [330, 770, 1430, 1870]: draw.text((bx-218, 1413), "None", font=font_tiny, fill=C["text_yel"]) draw.text((bx-22, 1413), "Partial", font=font_tiny, fill=C["text_yel"]) draw.text((bx+112, 1413), "Full", font=font_tiny, fill=C["text_yel"]) # Compensation result boxes for bx in [330, 770, 1430, 1870]: # Uncompensated label_box(draw, bx-140, 1500, 190, 80, "Uncompen-\nsated\npH abnormal\nComp normal", "#4A1010", C["text_red"], font_tiny, radius=10, outline=C["text_red"], outline_w=2) # Partial label_box(draw, bx, 1500, 190, 80, "Partially\nCompensated\npH abnormal\nBoth abnormal", "#1A3A10", C["text_grn"], font_tiny, radius=10, outline=C["text_grn"], outline_w=2) # Full label_box(draw, bx+140, 1500, 190, 80, "Fully\nCompensated\npH NORMAL\nBoth abnormal", "#102A4A", C["text_lt"], font_tiny, radius=10, outline=C["teal"], outline_w=2) # ===== SUMMARY TABLE ===== arrow_down(draw, W//2, 1565, 40) label_box(draw, W//2, 1638, 700, 54, "QUICK REFERENCE SUMMARY", "#1A3A5C", C["gold"], font_head, radius=18, outline=C["gold"], outline_w=3) # Table tx, ty = 110, 1690 tw = W - 220 row_h = 52 headers = ["Condition", "pH", "pCO₂", "HCO₃", "Interpretation"] col_w = [tw//5]*5 # Header row draw.rectangle([tx, ty, tx+tw, ty+row_h], fill="#1A3A5C") draw.rectangle([tx, ty, tx+tw, ty+row_h], outline=C["gold"], width=2) hx = tx for i, h in enumerate(headers): centered_text(draw, hx+col_w[i]//2, ty+12, h, font_bold, C["gold"]) hx += col_w[i] rows = [ ("Resp Acidosis", "↓ Low", "↑ High", "Normal/↑", "#C0392B"), ("Resp Alkalosis", "↑ High", "↓ Low", "Normal/↓", "#1A8B6F"), ("Met Acidosis", "↓ Low", "Normal/↓", "↓ Low", "#C0392B"), ("Met Alkalosis", "↑ High", "Normal/↑", "↑ High", "#1A8B6F"), ("Uncomp", "Abnormal", "Abnormal", "Normal", "#B7770D"), ("Partial Comp", "Abnormal", "Abnormal", "Abnormal", "#117A65"), ("Full Comp", "Normal", "Abnormal", "Abnormal", "#1F618D"), ] bg_alt = ["#0E2030", "#0E2840"] for ri, (cond, ph, pco2, hco3, color) in enumerate(rows): ry = ty + row_h + ri*row_h bg = bg_alt[ri % 2] draw.rectangle([tx, ry, tx+tw, ry+row_h], fill=bg) draw.rectangle([tx, ry, tx+tw, ry+row_h], outline="#1C3A5C", width=1) cells = [cond, ph, pco2, hco3, "See above"] hx = tx for ci, cell in enumerate(cells): fc = color if ci == 0 else (C["text_red"] if "↓" in cell else C["text_grn"] if "↑" in cell else C["text_lt"]) centered_text(draw, hx+col_w[ci]//2, ry+14, cell, font_small, fc) hx += col_w[ci] # ===== COMPENSATION FORMULAS CHEAT SHEET ===== fy = 2100 rounded_rect(draw, [80, fy, W-80, fy+580], radius=20, fill="#0E1E30", outline=C["purple"], width=3) centered_text(draw, W//2, fy+16, "COMPENSATION FORMULAS CHEAT SHEET", font_head, C["purple"]) formulas = [ ("METABOLIC ACIDOSIS", "Expected pCO₂ = 1.5 × HCO₃ + 8 (±2) [Winter's Formula]", C["text_red"]), ("METABOLIC ALKALOSIS", "Expected pCO₂ = 0.7 × HCO₃ + 21 (±2)", C["text_grn"]), ("RESPIRATORY ACIDOSIS (Acute)", "Expected HCO₃ = 24 + (pCO₂ - 40) ÷ 10 × 1", C["text_red"]), ("RESPIRATORY ACIDOSIS (Chronic)", "Expected HCO₃ = 24 + (pCO₂ - 40) ÷ 10 × 3.5", C["text_red"]), ("RESPIRATORY ALKALOSIS (Acute)", "Expected HCO₃ = 24 - (40 - pCO₂) ÷ 10 × 2", C["text_grn"]), ("RESPIRATORY ALKALOSIS (Chronic)", "Expected HCO₃ = 24 - (40 - pCO₂) ÷ 10 × 5", C["text_grn"]), ("ANION GAP", "AG = Na⁺ - (Cl⁻ + HCO₃⁻) Normal = 8-12 mEq/L", C["text_yel"]), ] fy2 = fy + 66 for label, formula, color in formulas: draw.text((120, fy2), label + ":", font=font_bold, fill=color) draw.text((120, fy2+28), " " + formula, font=font_body, fill=C["text_w"]) fy2 += 72 # ===== EXAMPLE SOLVED ===== ey = 2700 rounded_rect(draw, [80, ey, W-80, ey+240], radius=20, fill="#0E2A1A", outline=C["teal"], width=3) centered_text(draw, W//2, ey+16, "WORKED EXAMPLE (from your question)", font_head, C["teal"]) draw.text((120, ey+62), "Given: pH = 7.52 | pCO₂ = 48 mmHg | HCO₃ = 33 mEq/L", font=font_bold, fill=C["text_yel"]) draw.text((120, ey+100), "Step 1: pH 7.52 → ALKALOTIC (>7.45)", font=font_body, fill=C["text_grn"]) draw.text((120, ey+130), "Step 2: HCO₃ 33 is HIGH → Primary = METABOLIC ALKALOSIS", font=font_body, fill=C["text_grn"]) draw.text((120, ey+160), "Step 3: pCO₂ 48 is HIGH → Lungs retaining CO₂ = Compensation IS occurring", font=font_body, fill=C["text_lt"]) draw.text((120, ey+190), "Step 4: Expected pCO₂ = 0.7 × 33 + 21 = 44.1 (±2) → range 42–46 mmHg", font=font_body, fill=C["text_lt"]) draw.text((120, ey+218), "Actual 48 ≈ close to range, pH still 7.52 (abnormal) → PARTIAL COMPENSATION ✓ Answer: D", font=font_bold, fill=C["gold"]) # Footer draw.text((W//2 - 300, H-28), "ABG Interpretation Guide • Normal: pH 7.35–7.45 | pCO₂ 35–45 | HCO₃ 22–26", font=font_tiny, fill="#4A6A8A") img.save("/home/daytona/workspace/abg-flowchart/ABG_Interpretation_Flowchart.png", dpi=(200,200)) print("Saved!") EOF

Reading File
Your ABG flowchart is ready! Here it is:

ABG Interpretation Flowchart

Image · PNG

Here's what the flowchart covers, top to bottom:
  1. Normal Values - Quick reference bar at the top (pH, pCO₂, HCO₃, pO₂)
  2. Step 1 - Check pH - diamond decision: Normal → may be fully compensated; Abnormal → continue
  3. Step 2 - Acidosis vs Alkalosis (pH < 7.35 or > 7.45)
  4. Step 3 - Primary cause: each side branches into Respiratory vs Metabolic based on which value (pCO₂ or HCO₃) is the culprit
  5. Step 4 - Compensation formulas for all 4 disorders (including Winter's Formula for metabolic acidosis and the 0.7×HCO₃+21 formula for metabolic alkalosis)
  6. Step 5 - Degree of compensation: Uncompensated / Partial / Fully compensated, with the key rule shown for each
  7. Quick Reference Table - All conditions with their pH/pCO₂/HCO₃ directions at a glance
  8. Compensation Formulas Cheat Sheet - All 7 formulas including Anion Gap
  9. Worked Example - Your exact question solved step by step at the bottom
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