     func collectionView(collectionView: UICollectionView, cellForItemAtIndexPath indexPath: NSIndexPath) -> UICollectionViewCell {
         let cell: BaseChartCollectionCell
         
-        let typeToShow = data[indexPath.row]
+        let typeToShow = data[indexPath.row] == HKCorrelationTypeIdentifierBloodPressure ? HKQuantityTypeIdentifierBloodPressureSystolic : data[indexPath.row]
         let chartType: ChartType = (model?.chartTypeForQuantityTypeIdentifier(typeToShow))!
         let key = typeToShow + "\((model?.rangeType.rawValue)!)"
         let chartData = model?.typesChartData[key]

            cell.updateLeftAxisWith(chartData?.yMin, maxValue: chartData?.yMax)
            cell.chartView.data = chartData
        }
        cell.chartTitleLabel.text = appearanceProvider.stringForSampleType(typeToShow)
        return cell
    }
    

import Foundation
import UIKit
import Charts
import HealthKit

class ChartCollectionDataSource: NSObject, UICollectionViewDataSource {

