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How do you find map pressure?

Published in Blood Pressure & Game Strategy 3 mins read

The question "How do you find map pressure?" is ambiguous. It could refer to Mean Arterial Pressure (MAP) in a medical context, or Map Pressure in a gaming context. Therefore, I will provide answers for both interpretations.

1. Finding Mean Arterial Pressure (MAP) in a Medical Context

Mean Arterial Pressure (MAP) is the average arterial pressure throughout one cardiac cycle, reflecting the perfusion pressure seen by organs in the body. Here's how to calculate it:

MAP Calculation Formula

A common method used to estimate MAP is based on diastolic pressure (DP) and systolic pressure (SP) or pulse pressure (PP). According to the provided reference, the formula is:

MAP = DP + 1/3(SP – DP) or MAP = DP + 1/3(PP)

Where:

  • DP = Diastolic Pressure
  • SP = Systolic Pressure
  • PP = Pulse Pressure (SP – DP)

Example Calculation

If a person's blood pressure is 120/80 mmHg (SP = 120 mmHg, DP = 80 mmHg), then:

MAP = 80 + 1/3(120 – 80)
MAP = 80 + 1/3(40)
MAP = 80 + 13.33
MAP ≈ 93.33 mmHg

Therefore, the estimated MAP is approximately 93.33 mmHg.

Factors Affecting MAP

Heart rate is affected by several factors related to the myocardium:

  • Chronotropy: Affects heart rate.
  • Dromotropy: Affects conduction velocity.
  • Lusitropy: Affects myocardial relaxation.

Changes in these factors can influence blood pressure and consequently, MAP.

2. Finding "Map Pressure" in a Gaming Context (Strategy Games - Example: StarCraft II)

In strategy games, particularly Real-Time Strategy (RTS) games like StarCraft II, "map pressure" refers to a player's ability to control and influence areas of the game map. It's about dictating where engagements occur, limiting the opponent's options, and securing resources. There isn't a single formula, but here's how you exert and find where you have map pressure:

Indicators of Map Pressure

  • Presence of Units: Having units spread across the map denies resources and scouting information to your opponent.
  • Control of Key Locations: Controlling watch towers or strategic chokepoints provides vision and restricts enemy movement.
  • Forcing Defensive Postures: If your opponent is constantly reacting to your movements and forced to stay in their base, you have significant map pressure.

How to Exert Map Pressure

  1. Early Scouting: Identify the opponent's expansion plans and resource locations early.
  2. Aggressive Expansion: Take more bases to outproduce your opponent and deny them resources.
  3. Harassment: Use fast, mobile units to attack resource lines or exposed infrastructure.
  4. Map Vision: Use units or structures to maintain vision of key areas, allowing you to react to enemy movements.

Finding Where You Exert Map Pressure

  • Observe Enemy Reactions: Note where your opponent is forced to defend. This indicates areas where you are applying pressure.
  • Track Unit Positions: Keep track of where your units are positioned and their impact on enemy movements.
  • Analyze Replays: Review game replays to identify areas where you controlled the flow of the game.