23/09/2025
Blood Pressure: 79/58 mmHg
• Systolic (79 mmHg): This is low (normal adult: ~90–120 mmHg).
• Diastolic (58 mmHg): Within lower normal range (60–80 mmHg).
• Mean Arterial Pressure (MAP): 65 mmHg – you calculated correctly.
👉 Interpretation:
• For most adults, BP 79/58 is considered hypotensive.
• However, because the MAP is 65 mmHg, this is the minimum threshold generally accepted to maintain adequate perfusion of vital organs.
• Since the patient is asymptomatic (no dizziness, syncope, chest pain, altered mentation, or oliguria), it may be tolerable for this individual. Some patients (e.g., young, thin, or chronically low-BP individuals) naturally run on the lower side.
📍 Importance of MAP (Mean Arterial Pressure)
MAP represents the average pressure in the arteries during one cardiac cycle and is a better indicator of tissue perfusion than systolic BP alone.
For 79/58 → 65 mmHg
• Clinical thresholds:
• ≥ 65 mmHg → Adequate perfusion for most adults.
• < 65 mmHg → Risk of inadequate blood flow to organs (kidneys, brain, heart).
• > 100 mmHg → Could indicate hypertension or increased vascular resistance.
📍 Key Takeaway
• While 79/58 mmHg is low, the MAP of 65 mmHg indicates that organ perfusion is just at the acceptable cutoff.
• Since the patient is asymptomatic, this may be their baseline.
• Monitor closely: if MAP drops below 65 mmHg or symptoms develop, it becomes concerning and may require intervention (fluids, medications, further evaluation).
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