Scores Flashcards
IV - UFH dose in massive PE
loading dose - 80 mg/kg
maintenance - 18 mg/kg/hour
Therapeutic target of aPTT in massive PE
1.5 - 2.5 times
Therapeutic target of INR
2.0-3.0
Therapeutic target INT in mechanical valves
2.5-3.5
Therapeutic target for Anti factor Xa
- 2-1.5 IU mechanical valves
1. 0 -1.2
<1.2 aPTT? in massive PE
actions?
Rebolus of 80 units/kg
dose change of +4 units/kg/hour
check aPTT in 6 hours
1.2 - 1.5 aPTT? in massive PE
actions?
Rebolus of 40 units/kg
dose change of +2 units/kg/hour
check aPTT in 6 hours
> 3.0 aPTT? in massive PE
actions?
stop infusion 1 hour
dose change of - 3 units/kg/hour
check aPTT in 6 hours
Anti - Xa target values in PE? pulmonary embolism
target for AntiXa –>0.35 - 0.70 for UFH
Anti Xa in life threatening PE –> 0.5 - 1.0 units/ml – UFH
Anti Xa for LMWH therapeutic target–> 0.5 - 1.2
Anti Xa for LMWH therapeutic target –> mechanical valves –> 1.2- 1.5
Anti Xa LMWH Antithrombin
Contraindications to LMWH
Known bleeding disorder (e.g. haemophilia, von Willebrand’s disease or acquired coagulopathy)
Active antenatal or postpartum bleeding
Women considered at increased risk of major haemorrhage (e.g. placenta praevia)
Thrombocytopenia (platelet count < 75 × 109
/l)
Acute stroke in previous 4 weeks (haemorrhagic or ischaemic)
Severe renal disease (glomerular filtration rate [GFR] < 30 ml/minute/1.73m2
)
Severe liver disease (prothrombin time above normal range or known varices)
Uncontrolled hypertension (blood pressure > 200 mmHg systolic or > 120 mmHg diastolic)