Skip to main content

Table 4 The first clinical sign of MH cases. Values are number (proportion)

From: Malignant hyperthermia when dantrolene is not readily available

  Frequency (n = 92)
Elevation of end tidal CO2 31 (33.7%)
Sinus tachycardia 23 (25.0%)
Rapidly increasing temperature 18 (19.6%)
Masseter spasm 10 (10.9%)
Unrecorded 6 (6.5%)
Reduction of oxygen saturation 4 (4.3%)
Reduction of blood pressure 4 (4.3%)
Convulsion 3 (3.3%)
Elevation of blood pressure 3 (3.3%)
Restlessness 3 (3.3%)
Muscular rigidity 3 (3.3%)
Poor muscle relaxation effectiveness 3 (3.3%)
Dark red blood at surgical field 2 (2.2%)
Elevation of muscular tension 2 (2.2%)
Sweating 2 (2.2%)
Elevation of airway resistance 2 (2.2%)
Neck stiffness 2 (2.2%)
Flushed face 1 (1.1%)
Cyanosis of nail beds 1 (1.1%)
Opisthotonos 1 (1.1%)
Hot soda lime canister 1 (1.1%)
Reduction of heart rate 1 (1.1%)
Depression of ST segment in ECG 1 (1.1%)
Cola-colored urine 1 (1.1%)
Excessive bleeding at surgical field 1 (1.1%)
Muscle tremors 1 (1.1%)
  1. CO2 carbon dioxide; ECG electrocardiograph