CREATE TABLE table_test_21 ("id" INT, "gender" TEXT, "systolic_blood_pressure_sbp" INT, "tachycardia" INT, "body_weight" FLOAT, "renal_disease" BOOLEAN, "anaemia" BOOLEAN, "creatinine_clearance_cl" FLOAT, "estimated_glomerular_filtration_rate_egfr" INT, "cardiogenic_shock" BOOLEAN, "history_of_dialysis" BOOLEAN, "prior_creatinine" FLOAT, "severe_bradycardia" BOOLEAN, "diastolic_blood_pressure_dbp" INT, "hypotension" BOOLEAN, "heart_rate" INT, "serum_creatinine" FLOAT, "hb" FLOAT, "renal_transplantation" BOOLEAN, "hypertension" BOOLEAN, "age" FLOAT, "NOUSE" FLOAT)

severe bradycardia ( heart rate < 50 beats per minutes )
SELECT * FROM table_test_21 WHERE severe_bradycardia = 1 AND heart_rate < 50
SELECT * FROM "table_test_21" WHERE "heart_rate" < 50 AND "severe_bradycardia" = 1