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Table 2 Vital signs and laboratory values of hyperkalemic patients at the time of emergency presentation

From: Clinical and electrocardiogram presentations of patients with high serum potassium concentrations within emergency settings: a prospective study

Vital signs at the time of presentation Frequency (%)
Fever (≥38°C) 5 (7.5)
Tachycardia (>100 beats per min) 3 (4.5)
Tachypnea (> 20 breaths per min) 8 (11.9)
Hypotension (< 90/60) 6 (9.0)
Elevated blood pressure (> 139/89) 14 (20.9)
Low O2 saturation (<94%) 21 (31.3)
Laboratory resultsa Frequency (%)
High creatinine (> 115 μmol/L for males and >97 μmol/L for females) 63 (94.0)
High BUN (>7.14 mmol/L) 61 (91.0)
High troponin (> 0.02 ng/ml) 22 (32.8)
High CK-MB (> 24 IU/L) 14 (20.9)
High CK (> 190 units/L) 11 (16.4)
Metabolic disorders (based on ABG)b Frequency (% out of 55)
Metabolic acidosis 39 (70.9)
Respiratory acidosis 2 (3.6)
Mixed acidosis 3 (5.5)
No acid abnormality 11 (20)
  1. Abbreviations: BUN Blood urea nitrogen, CK-MB Creatine kinase-MB, CK Creatine kinase, ABG Arterial blood gas
  2. aAbnormal cutoff points were predetermined based on the involved hospital laboratory reference of normal ranges
  3. bArterial blood gas test was not performed in 12 patients