Blood Pressure: The Silent Indicator
Although technically not drawn from blood but rather measured through an external cuff, blood pressure is one of the most essential "blood vitals." It reflects how hard the heart is working to pump blood through the body.
• Normal Blood Pressure: Around 120/80 mm Hg
• Hypertension: Consistent readings of 130/80 mm Hg or higher
• Hypotension: Consistent readings below 90/60 mm Hg
Why It Matters
High blood pressure (hypertension) is often called the “silent killer” because it typically has no symptoms but can lead to serious health problems like stroke, heart attack, and kidney disease. Regular monitoring and management can prevent long-term complications.
Heart Rate and Pulse
The heart rate, or pulse, is a basic yet critical blood vital that reflects the number of heartbeats per minute.
• Normal Resting Heart Rate: 60–100 beats per minute (bpm)
• Bradycardia: < 60 bpm (can be normal in athletes)
• Tachycardia: > 100 bpm
Relevance
Changes in heart rate can indicate stress, infection, heart problems, or other underlying issues. A consistently high or low heart rate may require medical evaluation.
Blood Glucose Levels
Blood glucose or blood sugar levels are central to metabolic health. These levels fluctuate depending on when and what you eat, but they are tightly regulated by hormones like insulin.
Reference Ranges
• Fasting Blood Glucose: 70–99 mg/dL
• Prediabetes: 100–125 mg/dL
• Diabetes: ≥ 126 mg/dL on two separate tests
Why Blood Glucose Matters
Maintaining healthy blood sugar levels is critical. Chronic elevation leads to type 2 diabetes, a major risk factor for cardiovascular disease, kidney failure, nerve damage, and blindness. Monitoring can help manage or prevent diabetes through lifestyle changes and medication.
Hemoglobin and Hematocrit
These tests assess the oxygen-carrying capacity of the blood.
• Hemoglobin is a protein in red blood cells that carries oxygen.
• Hematocrit is the percentage of blood volume made up by red blood cells.
Normal Ranges
• Hemoglobin:
o Men: 13.8–17.2 g/dL
o Women: 12.1–15.1 g/dL
• Hematocrit:
o Men: 40.7–50.3%
o Women: 36.1–44.3%
Importance
Low levels may indicate anemia, leading to fatigue, Blood Vitals Reviews, and shortness of breath. High levels could suggest dehydration or other underlying conditions.
Blood Oxygen Saturation (SpO₂)
Measured using a pulse oximeter, SpO₂ indicates the percentage of oxygen in the blood.
• Normal Range: 95–100%
• Below 90%: Hypoxemia (requires medical attention)
Significance
SpO₂ is crucial in monitoring respiratory health, especially in conditions like COPD, COVID-19, or asthma. Sudden drops may indicate worsening of respiratory function.
Official Website
https://blood-vitals.co.uk/