Hypocalcemia - Revision history

Danbot: Add Corrected_Calcium_Calculator to page

2026-03-21T16:31:40Z

Add Corrected_Calcium_Calculator to page

← Older revision		Revision as of 16:31, 21 March 2026
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	==Disposition==		==Disposition==
	*Admit all symptomatic patients		*Admit all symptomatic patients

			== Calculators ==
			{{Corrected_Calcium_Calculator}}

	==See Also==		==See Also==

2026-03-20T18:24:11Z

Add MedicationDose entries (calcium gluconate, calcium chloride) with SMW annotations

@@ Line 80: / Line 80: @@
 *Avoid phenothiazine [[antipsychotics]] (may precipitate extrapyramidal symptoms)
 *Avoid [[furosemide]] (may worsen hypocalcemia)
 ==Disposition==

2024-04-17T20:16:21Z

Video

← Older revision		Revision as of 20:16, 17 April 2024
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	==References==		==References==
	<references/>		<references/>

	~~==Video==~~
	~~{{#widget:YouTube\|id=6QrzmVYMkWc}}~~

	[[Category:FEN]]		[[Category:FEN]]

2021-06-16T17:59:15Z

Chvostek sign

← Older revision		Revision as of 17:59, 16 June 2021
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	*Specificity 99%, sensitivity 94%		*Specificity 99%, sensitivity 94%

	===Chvostek~~'s Sign (Low SN and SP)~~===		===Chvostek sign ===
	*Tapping on the face just anterior to the ear and just below the zygomatic bone		*Tapping on the face just anterior to the ear and just below the zygomatic bone
	*Positive = Ipsilateral facial twitching		*Positive = Ipsilateral facial twitching
			*Specificity 96%, sensitivity 26%

	===Labs===		===Labs===
	*BMP		*BMP

2021-06-16T17:56:46Z

Trousseau's sign

← Older revision		Revision as of 17:56, 16 June 2021
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	*[[QT Prolongation]] via increasing the ST length		*[[QT Prolongation]] via increasing the ST length
	**Only hypothermia and hypocalcemia prolong QT this way		**Only hypothermia and hypocalcemia prolong QT this way
	===Trousseau's ~~Sign (Mod to high SN and SP)~~===		===Trousseau's sign===
	[[File:Hypocalcemia spasm.jpg\|thumbnail\|Spasm associated with symptomatic hypocalcemia]]		[[File:Hypocalcemia spasm.jpg\|thumbnail\|Spasm associated with symptomatic hypocalcemia]]
	*Inflate BP cuff for 2-3 ~~mins~~		*Inflate BP cuff for 2-3 minutes
	*Positive = Muscle contractions of the hand and wrist		*Positive = Muscle contractions of the hand and wrist
			*Specificity 99%, sensitivity 94%

	===Chvostek's Sign (Low SN and SP)===		===Chvostek's Sign (Low SN and SP)===
	*Tapping on the face just anterior to the ear and just below the zygomatic bone		*Tapping on the face just anterior to the ear and just below the zygomatic bone

2020-11-27T00:19:23Z

Clinical Features

← Older revision		Revision as of 00:19, 27 November 2020
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	==Clinical Features==		==Clinical Features==
	*[[Paresthesias]] (mouth, fingertips)		{{Hypocalcemia clinical features}}
	*↑ DTRs
	*Cramps
	*[[Weakness]]
	*[[Confusion]]
	*[[Seizures]]
	*Chvostek/Trousseau signs, Tetany
	*[[Hallucinations]]
	*Laryngospasm
	*Bronchospasm
	*Cardiac [[dysrhythmias]]

	==Differential Diagnosis==		==Differential Diagnosis==

2020-11-14T13:43:55Z

Differential Diagnosis

2019-09-29T16:06:35Z

← Older revision		Revision as of 16:06, 29 September 2019
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	**[[Norepinephrine]]		**[[Norepinephrine]]
	**[[Glucagon]]		**[[Glucagon]]
	**Glucocorticoids		**[[Glucocorticoids]]
	**Magnesium sulfate		**[[Magnesium sulfate]]
	**[[Nitroprusside]]		**[[Nitroprusside]]

	==Clinical Features==		==Clinical Features==
	*Paresthesias (mouth, fingertips)		*[[Paresthesias]] (mouth, fingertips)
	*↑ DTRs		*↑ DTRs
	*Cramps		*Cramps
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	*Laryngospasm		*Laryngospasm
	*Bronchospasm		*Bronchospasm
	*Cardiac dysrhythmias		*Cardiac [[dysrhythmias]]

	==Differential Diagnosis==		==Differential Diagnosis==
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	==Management==		==Management==
	''Avoid empiric treatment in patients taking digoxin due to risk for [[Stone Heart]]''		''Avoid empiric treatment in patients taking [[digoxin]] due to risk for [[Stone Heart]]''
	*Asymptomatic		*Asymptomatic
	**Calcium gluconate 1 gm PO Q6hrs		**[[Calcium gluconate]] 1 gm PO Q6hrs
	**Vitamin D (calcitriol) 0.2 mcg BID		**Vitamin D (calcitriol) 0.2 mcg BID
	*Symptomatic		*Symptomatic
	**Calcium gluconate/chloride 10mL of 10% soln IV over 10min		**[[Calcium gluconate]]/[[calcium chloride\|chloride]] 10mL of 10% soln IV over 10min
	*Correct [[hypomag]] at same time (otherwise PTH is inhibited)		*Correct [[hypomag]] at same time (otherwise PTH is inhibited)
	*Avoid phenothiazine [[antipsychotics]] (may precipitate extrapyramidal symptoms)		*Avoid phenothiazine [[antipsychotics]] (may precipitate extrapyramidal symptoms)

2019-08-16T00:06:11Z

Serum Levels

← Older revision		Revision as of 00:06, 16 August 2019
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	===Serum Levels===		===Serum Levels===
	''Normal value ranges may vary slightly among different laboratories''		''Normal value ranges may vary slightly among different laboratories''
	*Low: <8.9 mg/dL<ref>Harbor-UCLA computer system accessed 08/15/2019</ref> (Ionized: <4.8 mg/dL or <1.20 millimol/L)<ref>https://www.ucsfhealth.org/tests/003486.html</ref>		*Low: <8.9 mg/dL<ref>Harbor-UCLA computer system accessed 08/15/2019</ref> (Ionized: <4.8 mg/dL or <1.20 millimol/L<ref>https://www.ucsfhealth.org/tests/003486.html</ref>)
	*Critical low: <6.6 mg/dL<ref>Harbor-UCLA computer system accessed 08/15/2019</ref> (Ionized: <3.5 mg/dL<ref>http://www.clinlabnavigator.com/calcium-ionized.html)</ref>		*Critical low: <6.6 mg/dL<ref>Harbor-UCLA computer system accessed 08/15/2019</ref> (Ionized: <3.5 mg/dL<ref>http://www.clinlabnavigator.com/calcium-ionized.html</ref>)

2019-08-16T00:05:14Z

Serum Levels

← Older revision		Revision as of 00:05, 16 August 2019
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	''Normal value ranges may vary slightly among different laboratories''		''Normal value ranges may vary slightly among different laboratories''
	*Low: <8.9 mg/dL<ref>Harbor-UCLA computer system accessed 08/15/2019</ref> (Ionized: <4.8 mg/dL or <1.20 millimol/L)<ref>https://www.ucsfhealth.org/tests/003486.html</ref>		*Low: <8.9 mg/dL<ref>Harbor-UCLA computer system accessed 08/15/2019</ref> (Ionized: <4.8 mg/dL or <1.20 millimol/L)<ref>https://www.ucsfhealth.org/tests/003486.html</ref>
	*Critical low: <6.6 mg/dL<ref>Harbor-UCLA computer system accessed 08/15/2019</ref> (Ionized: <3.5 mg/dL<ref>http://www.clinlabnavigator.com/calcium-ionized.html</ref>)		*Critical low: <6.6 mg/dL<ref>Harbor-UCLA computer system accessed 08/15/2019</ref> (Ionized: <3.5 mg/dL<ref>http://www.clinlabnavigator.com/calcium-ionized.html)</ref>