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新型冠转病毒感染后最终导致低氧血症,患者呼吸空气时()
A.PaO2>60mmHg或SPO2<90%
B.PaO2<60mmHg或SPO2<90%
C.PaO2>60mmHg或SPO2>90%
D.PaO2<60mmHg或SPO2>90%
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B、PaO2<60mmHg或SPO2<90%
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A.PaO2>60mmHg或SPO2<90%
B.PaO2<60mmHg或SPO2<90%
C.PaO2>60mmHg或SPO2>90%
D.PaO2<60mmHg或SPO2>90%
B、PaO2<60mmHg或SPO2<90%
A.吸空气时,SPO2<92%,PaO2<60mmHg或吸纯氧时PaO2<90mmHg
B.吸空气时,SPO2<90%,PaO2<60mmHg或吸纯氧时PaO2<95mmHg
C.吸空气时,SPO2<90%,PaO2<60mmHg或吸纯氧时PaO2<90mmHg
D.吸空气时,SPO2<90%,PaO2<50mmHg或吸纯氧时PaO2<90mmHg
E.吸空气时,SPO2<92%,PaO2<60mmHg或吸纯氧时PaO2<95mmHg
A.低限SPO2 <89~90%,高限100%,SPO2是缺氧敏感指标,降低出现早于缺氧临床表现
B.当SPO2<94%时提示供氧不足
C.当SPO2 <90%,PaO2<60mmHg为低氧血症;当SPO2<85%为重度低氧血症
A.鼻导管或面罩吸氧
B.经鼻高流量氧疗(HFNC)
C.无创机械通气(NIV)治疗
D.有创机械通气
B、咳嗽,痰液增多,带有血液
C、胸痛、咳嗽时胸痛加剧,胸骨后压榨感可向肩胛和颈部放射
D、发热,多为低热,少数病人中度发热
E、情绪改变:表现为紧张、焦虑、恐惧、烦躁不安,甚至濒死感
F、严重者迅速处于晕厥状态,呈现寒战、出汗、苍白或发紺,脉搏快速而微弱,仅可扪及,血压明显下降及心肌缺氧性绞痛
A.PaO2<60 mmHg SpO2) <90%
B.PaO2<65mmHg SpO2) <90%
C.PaO2<75 mmHg SpO2) <95%
D.PaO2<70 mmHg SpO2) <90%