Hypermagnesia {Ans: > 2.5 S/S: Lethargy, N/V, drowsiness, depression}Tracheostomy {Ans: Airway obstruction - how to treat Nursing responsibilities pg 508 -Monitor trach -Have a new trach (same size or smaller) at the bedside -If trach becomes dislodged, reinsert to re-establish airway -Ambu-bag at the bedside -Lift HOB -Aspiration precautions}Chest tube {Ans: Never clamp Everything needs an order Never lay pluerVAC flat No scissors at bedside Dislodgement = place tube in sterile water}Causes of metabolic alkalosis {Ans: Nausea, vomiting}Hyperkalemia {Ans: > 5.0 THINK CARDIAC Cause: Renal compromised, PTH abnormalities S/S: Arrythmias, palpations, parasthesias (numbness & tingling) Interventions: EKG, widening QRS, do not feed potassium}Asthma {Ans: Teach triggers & how to take rescue medicine}Cystic fibrosis {Ans: Chest PT Postural drainage Cupping (percussion)}Hyponatremia {Ans: < 135 NEURO S/S: Lethargy, CONFUSION, irritability, HA, seizure, coma NEVER GIVE A CARDIAC PT SODIUM NO MATTER WHAT}Epistaxis {Ans: Calm down, pressure on bridge of nose, lean forward for 10-15 min}Hypocalcemia {Ans: < 8.6 BONES, CARDIAC S/S: Hyperactive reflexes, Chvostek's & Trousseau's Interventions: Check reflexes, replace Ca}TB drugs - MUST MONITOR {Ans: LLT's (AST 10-13 & ALT 10-40)}Earliest sign of respiratory distress {Ans: High RR}Causes of