Medical Emergencies Flashcards
Diphenhydramine (Benadryl) Class
Antihistamine
Diphenhydramine (Benadryl) Actions
blocks histamine receptors
has some sedative effects
Diphenhydramine (Benadryl) Indications
Anaphylaxis / allergic reactions / dystonic reactions due to phenothiazines
Diphenhydramine (Benadryl) Contraindications
Asthma / nursing mothers
Diphenhydramine (Benadryl) Precautions / Side Effects
Prec: hypotension
SE: sedation / dries bronchial secretions / blurred vision / headache / palpitations
Diphenhydramine (Benadryl) Dose
Adult: 25-50mg/slow IV push or deep IM
Pedi: 2-5mg/kg
D50W Class
Carbohydrate
D50W Action
elevates blood glucose level rapidly
D50W Indications
hypoglcemia
D50W Contraindications
none in an emergency setting
D50W Precautions / Side Effects
Prec: blood sample should be drawn before administration
SE: local venous irritation
D50W Dose
Adult: 25g(50mL)/IV
Pedi: 0.5g/kg slow IV; dilute 1:1 with sterile water to form a 25% solution
Glucagon Class
Hormone (antihypoglycemic agent)
Glucagon Actions
Causes breakdown of glycogen to glucose inhibits glycogen synthesis elevates blood glucose level increases cardiac contractile force increases heart rate
Glucagon Indications
Hypoglycemia
Beta-blocker OD
Glucagon Contraindications
hypersensitivity
Glucagon Precautions / Side Effects
Prec: effective only if there are sufficient stores of glycogen within the liver / use with caution in pts with cardiovascular or renal disease / draw blood for glucose test before administration
SE: few in emergency situation
Glucagon Dose
Adult: 0.25-0.5units/IV or 1.0mg/IM
Peds: 0.03mg/kg
Sodium Bicarbonate Class
Alkalinizing agent
Sodium Bicarbonate Actions
combines with excessive acids to form a weak volatile acid
increases pH
Sodium Bicarbonate Indications
TCA overdose
severe acidosis refractory to hyperventilation
Sodium Bicarbonate Contraindications
Alkalotic states
Sodium Bicarbonate Precautions / Side Effects
Prec: correct dose is essential to avoid overcompensation of pH / can deactivate catecholamines / can precipitate with calcium / delivers large sodium load
SE: Alkalosis
Sodium Bicarbonate Dose
Adult: 1mEq/kg initially followed by 0.5mEq/kg every 10 min as indicated by blood gas studies
Peds: 1mEq/kg initially followed by 0.5mEq/kg every 10 min
Methylprednisone (Solu-Medrol) Class
Steroid
Methylprednisone (Solu-Medrol) Actions
anti-inflammatory
suppresses immune response (especially in allergic reactions)
Methylprednisone (Solu-Medrol) Indications
severe anaphylaxis
asthma
COPD
Methylprednisone (Solu-Medrol) Contraindications
none in emergency setting
Methylprednisone (Solu-Medrol) Precautions / Side Effects
Prec: must be reconstituted and used promptly / onset of action may be 2-6hrs, thus should not be expected to be of use in the critical first hour following an anaphylactic reaction
SE: gastrointestinal bleeding / prolonged wound healing / suppression of natural steroids
Methylprednisone (Solu-Medrol) Dose
Adult: 125-250mg/IV/IM
Peds: 30mg/kg/IV/IM
Dexamethasone (Decadron, Hexadrol) Class
Steroid
Dexamethasone (Decadron, Hexadrol) Actions
possibly decreases cerebral edema
anti-inflammatory
suppresses immune response (especially in allergic reactions)
Dexamethasone (Decadron, Hexadrol) Indications
Anaphylaxis (after epinephrine and diphenhydramine)
asthma
COPD
Dexamethasone (Decadron, Hexadrol) Contraindications
none in emergency setting
Dexamethasone (Decadron, Hexadrol) Precautions / Side Effects
Prec: protect from heat / onset may be 2-6hrs thus should not be considered to be of use in the critical first hour following an anaphylactic reaction
SE: gastrointestinal bleeding / prolonged wound healing
Dexamethasone (Decadron, Hexadrol) Dose
Adult: 4-24mg/IV/IM
Peds: 0.2-0.5mg/kg/IV/IM
Midazolam (Versed) Class
tranquilizer (benzodiazepine)
Midazolam (Versed) Actions
hypnotic
sedative
Midazolam (Versed) Indications
premedication before cardioversion
acute anxiety states
Midazolam (Versed) Contraindications
hypersensitivity
narrow angle glaucoma
shock
Midazolam (Versed) Precautions / Side Effects
Prec: emergency resuscitative equipment must be available / flumazenil (Romazicon) should be available / dilute with normal saline of D5W prior to IV administration / respiratory depression more common with midazolam than other benzodiazepines
SE: drowsiness / hypotension / amnesia / respiratory depression/apnea
Midazolam (Versed) Dose
Adult: 1.0-2.5mg/IV
Peds: 0.03mg/kg
Routes: IV, oral, intranasal
Diazepam (Valium) Class
Tranquilizer (benzodiazepine)
Diazepam (Valium) Actions
anticonvulsant
skeletal muscle relaxant
sedative
Diazepam (Valium) Indications
major motor seizures status epilepticus premedication before cardioversion skeletal muscle relaxant acute anxiety states
Diazepam (Valium) Contraindications
hypersensitivity
Diazepam (Valium) Precautions / Side Effects
Prec: local venous irritation / short duration of effect / do not mix with other medication because of possible precipitation problems / Flumazenil (Romazicon) should be available
SE: drowsiness / hypotension / respiratory depression/apnea
Diazepam (Valium) Dose
Adult Status epilepticus: 5-10mg/IV
Adult Acute Anxiety: 2-10mg/IM/IV
Adult Premedication before cardioversion: 5-15mg/IV
Peds Status Epilepticus: 0.1-0.2mg/kg
Routes: IV care must be taken not to administer faster than 1mL/min / IM / rectal
Promethazine (Phenergan) Class
Phenothiazine antihistamine (H1 Antagonist)
Promethazine (Phenergan) Actions
mild anticholinergic activity
antiemetic
potentiates actions of analgesics
Promethazine (Phenergan) Indications
Nausea and vomiting
motion sickness
to potentiate the effects of analgesics
sedation
Promethazine (Phenergan) Contraindications
comatose states
pts who have received a large amount of depressants (including alcohol)
Promethazine (Phenergan) Precautions / Side Effects
Prec: avoid accidental intraarterial injection / extravasation can cause tissue damage
SE: may impair mental/physical ability / drowsiness
Promethazine (Phenergan) Dose
Adult: 25-75mcg/kg as needed
Peds: 1mg/kg IV
Route: IV/PO
Thiamine (Vitamin B1) Class
Vitamin
Thiamine (Vitamin B1) Action
allows normal breakdown of glucose
Thiamine (Vitamin B1) Indications
Coma of unknown origin
Alcoholism
Delirium tremens
Thiamine (Vitamin B1) Contraindications
none in emergency setting
Thiamine (Vitamin B1) Precautions / Side Effects
Prec: rare anaphylactic reactions have been reported / should not be used as part of a “coma cocktail”
SE: rare, if any
Thiamine (Vitamin B1) Dose
Adult: 100mg/IV/IM
Ped: rarely indicated
Succinylcholine (Anectine) Class
Depolarizing neuromuscular blocking agent (paralytic)
Succinylcholine (Anectine) Action
skeletal muscle relaxant / paralyzes skeletal muscles, including respiratory muscles
Succinylcholine (Anectine) Indications
to achieve paralysis to facilitate endotracheal intubation
Succinylcholine (Anectine) Contraindications
known hypersensitivity
Succinylcholine (Anectine) Precautions / Side Effects
Prec: do not administer unless person skilled in ET are present / ET equipment must be available / O and resuscitative meds must be available / paralysis occurs within 1min and lasts for approx. 8min
SE: prolonged paralysis / hypotension / bradycardia
Succinylcholine (Anectine) Dose
Adult: 1-1.5mg/kg/IV (40-100mg)
Ped: 1mg/kg/IV
Rocuronium Class
Nondepolarizing neuromuscular blocker (paralytic)
Rocuronium Action
Prevents neuromuscular transmission by blocking the effect of acetylcholine / skeletal muscle paralysis
Rocuronium Indication
Induction of skeletal muscle paralysis
Rocuronium Contraindication
hypersensitivity
Rocuronium Precautions / Side Effects
Prec: underlying cardiovascular disease / dehydration/electrolyte abnormalities
SE: bronchospasm
Rocuronium Dose
Adult: Initial RSI induction 600mcg/kg
Maintenance dose 100-200mcg/kg continuous infusion IV/IV drip
Ped: Initial RSI induction 600mcg/kg
Maintenance dose 75-125mcg/kg continuous IV infusion
Vecuronium (Norcuron) Class
Non depolarizing neuromuscular blocking agent
Vecuronium (Norcuron) Action
Skeletal muscle relaxant
paralyzes skeletal muscles including respiratory muscles
Vecuronium (Norcuron) Indications
to achieve paralysis to facilitate endotracheal intubation
Vecuronium (Norcuron) Contraindications
known hypersensitivity
Vecuronium (Norcuron) Precautions / Side Effects
Prec: ETI will be required after administration
paralysis occurs within 1min and lasts for approx 30min
SE: prolonged paralysis / hypotension / bradycardia
Vecuronium (Norcuron) dose
Adult: 0.08-0.1 mg/kg/IV/IO
Ped: 0.1 mg/kg/IV/IO
Ketamine (Ketalar) Class
Sedative/hypnotic and analgesic
Ketamine (Ketalar) Action
causes dissociative state
Ketamine (Ketalar) Indications
induction agent for RSI
Ketamine (Ketalar) Contraindications
Hypersensitivity
Significantly elevated BP
Ketamine (Ketalar) Precautions / Side Effects
Prec: hallucinations can occur / emergency airway and resuscitation equipment/med must be available
SE: hallucinations / increased skeletal muscle tone
Insulin (Humilin, Novolin, Iletin) Class
Hormone (hypoglycemic agent)
Insulin (Humilin, Novolin, Iletin) Actions
Causes uptake of glucose by the cells
Decreases BGL
Promotes glucose storage
Insulin (Humilin, Novolin, Iletin) Indications
Elevated BGL
DKA
Insulin (Humilin, Novolin, Iletin) Contraindications
Avoid overcompensation of BGL; if possible administration should wait until the pt is in the ED
Insulin (Humilin, Novolin, Iletin) Precautions / Side Effects
Prec: excessive dose may induce hypoglycemia / glucose should be available
SE: few in emergency situation
Insulin (Humilin, Novolin, Iletin) Dose
Adult: 10-25 units IV followed by infusions of 0.1units/kg/hr
Ped: based on BGL
Epi 1:1000 Class
Sympathomimetic
Epi 1:1000 Action
Bronchodilation
Epi 1:1000 Indications
Bronchial asthma
Exacerbation of COPD
Allergic reactions
Pediatric cardiac arrest (after initial epinephrine dosage)
Epi 1:1000 Contraindications
underlying cardiovascular disease
hypertension
pregnancy
tachy-arrhythmias
Epi 1:1000 Precautions / Side Effects
Prec: protect from light / BP, pulse, ECG must be constantly monitored
SE: palpitations/tachycardia / anxiousness / headache / tremors
Epi 1:1000 Dose
Adult: 0.3-0.5mg/IM
Ped: 0.01mg/kg/IM up to 0.3mg
Oxytocin (Pitocin) Class
Hormone (oxytocic)
Oxytocin (Pitocin) Action
causes uterine contraction
causes lactation
slows postpartum vaginal bleeding
Oxytocin (Pitocin) Indications
postpartum vaginal bleeding
Oxytocin (Pitocin) Contraindications
any condition other than postpartum bleeding
Cesarean section
Oxytocin (Pitocin) Precautions / Side Effects
Prec: ensure the placenta has delivered and that there is not another fetus before administering
OD can cause uterine rupture
Hypertension
SE: anaphylaxis / cardiac arrhythmias
Oxytocin (Pitocin) Dose
10-20units/IV in 500mL of D5W administered according to uterine response
3-10units/IM
Metoclopramide (Reglan) Class
Antiemetic
Metoclopramide (Reglan) Actions
antiemetic
reduces gastro-esophageal reflux
Metoclopramide (Reglan) Indications
N/V
Gastro-esophageal reflux
Metoclopramide (Reglan) Contraindications
GI hemorrhage
Bowel obstruction/perforation
Hx of hypersensitivity
Metoclopramide (Reglan) Precautions / Side Effects
Prec: extrapyramidal (dystonic) symptoms have been reported
SE: may impair mental and physical ability / drowsiness
Metoclopramide (Reglan) Dose
10-20mg/IM
10mg/IV/1-2min
Peds: rarely used
Droperidol (Inapsine) Class
Butyrophenone antipsychotic/antiemetic
Droperidol (Inapsine) Actions
antagonizes the effects of medications that act on the chemoreceptor trigger zone (CTZ)
reduces anxiety and produces sedation
Droperidol (Inapsine) Indications
Acute psychosis
N/V
Droperidol (Inapsine) Contraindications
hypersensitivity
Droperidol (Inapsine) Precautions / Side Effects
Prec: “black box” warning for “QT” interval prolongation
Use with caution in the elderly, debilitated, or poor-risk pts
Monitor vitals and ECG
SE: drowsiness; EPS symptoms (dystonia); dizziness; restlessness; hypotension; tachycardia
Droperidol (Inapsine) Dose
Adult: 2.5-10mg/IV
Ped: 0.088-0.165mg/kg/IV (children >2yrs)
Ketorolac (Toradol) Class
NSAID agent
Ketorolac (Toradol) Actions
anti inflammatory
analgesic (peripherally acting)
Ketorolac (Toradol) Indications
mild to moderate pain
Ketorolac (Toradol) Contraindications
hypersensitivity
allergy to Aspirin
Ketorolac (Toradol) Precautions / Side Effects
Prec: GI irritation or hemorrhage can occur
SE: edema; rash; heartburn
Ketorolac (Toradol) Dose
Adult: 15-30mg/IV / 30-60mg/IM
Ped: 0.5mg/kg (max of 30mg)
Acetaminophen (Tylenol) Class
Non-narcotic analgesic / antipyretic
Acetaminophen (Tylenol) Actions
inhibits cyclooxygenase
Acetaminophen (Tylenol) Indications
mild to moderate pain
fever
Acetaminophen (Tylenol) Contraindications
hypersensitivity
Acetaminophen (Tylenol) Precautions / Side Effects
Prec: use with caution in children <3yrs and in pts with known liver disease
SE: minimal within recommended dosage range
Acetaminophen (Tylenol) Dose
Adult: 325-650mg/PO every 4-6hrs (up to 1gram for antipyretic)
Ped: 10-15mg/kg/PO every 4-6hrs
Ibuprofen (Motrin, Advil) Class
NSAID
Ibuprofen (Motrin, Advil) Action
anti-inflammatory
prostaglandin inhibitor
Ibuprofen (Motrin, Advil) Indications
Mild to moderate pain
Fever
Ibuprofen (Motrin, Advil) Contraindications
hypersensitivity
pts taking other NSAIDs
Ibuprofen (Motrin, Advil) Precautions / Side Effects
Prec: GI bleeding / upset stomach
SE: heartburn; N/V; wheezing