Cardiovascular Medicine Book

Hypotension

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Hypotension

Aka: Hypotension, Shock
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  1. See Also
    1. Blood Pressure
    2. Pediatric Vital Signs
    3. Orthostatic Hypotension
    4. Drug-Induced Hypotension
  2. Criteria
    1. Age under 1 year: Systolic Blood Pressure below 70 mmHg
    2. Age 1 to 10 years: Systolic Blood Pressure below calculated cutoff (70mmHg + 2 * ageYears)
    3. Age 11 years and older: Systolic Blood Pressure less than 90 mmHg
  3. Types
    1. Hypovolemic Shock
      1. Hemorrhagic Shock
      2. Dehydration (Vomiting, Diarrhea)
    2. Distributive Shock
      1. Septic Shock
      2. Neurogenic Shock
      3. Anaphylaxis
    3. Cardiogenic Shock
      1. Congestive Heart Failure
      2. Cardiomyopathy (e.g. Viral Myocarditis)
      3. Supraventricular Tachycardia
      4. Left to right shunt
    4. Obstructive Shock
      1. Tension Pneumothorax
      2. Pericardial tamponade
  4. Management
    1. Treatment per specific causes as above

Hypotension (C0020649)

Definition (ICF) Functions related to a fall in systolic or diastolic blood pressure below normal for the age.
Definition (ICF-CY) Functions related to a fall in systolic or diastolic blood pressure below normal for the age.
Definition (NCI) A disorder characterized by a blood pressure that is below the normal expected for an individual in a given environment.
Definition (MEDLINEPLUS)

You've probably heard that high blood pressure is a problem. So what about low blood pressure?

Blood pressure is the force of your blood pushing against the walls of your arteries. Each time your heart beats, it pumps out blood into the arteries. Your blood pressure is highest when your heart beats, pumping the blood. This is called systolic pressure. When your heart is at rest, between beats, your blood pressure falls. This is the diastolic pressure. Your blood pressure reading uses these two numbers. Both are important. Usually they're written one above or before the other, such as 120/80. If your blood pressure reading is 90/60 or lower, you have low blood pressure.

Some people have low blood pressure all the time. They have no symptoms and their low readings are normal for them. In other people, blood pressure drops below normal because of some event or medical condition. Some people may experience symptoms of low pressure when standing up too quickly. Low blood pressure is a problem only if it causes dizziness, fainting or in extreme cases, shock.

NIH: National Heart, Lung, and Blood Institute

Definition (CSP) abnormally low blood pressure.
Definition (NCI) Abnormally low blood pressure.
Definition (NCI) Any blood pressure that is below the normal expected for an individual in a given environment.
Definition (MSH) Abnormally low BLOOD PRESSURE that can result in inadequate blood flow to the brain and other vital organs. Common symptom is DIZZINESS but greater negative impacts on the body occur when there is prolonged depravation of oxygen and nutrients.
Concepts Finding (T033)
MSH D007022
ICD9 458.9, 458
ICD10 I95, I95.9
SnomedCT 45007003, 155487000, 271646004, 155490006, 195508000
English Blood Pressure, Low, ARTERIAL BLOOD PRESSURE DECREASED, BLOOD PRESSURE DECREASED, BLOOD PRESSURE DROP ARTERIAL, BLOOD PRESSURE LOW, HYPOTENSION, PRESSURE ARTERIAL DECREASED, Arterial hypotension, NOS, HYPOTENSIVE DISEASES, Hypotension, NOS, Hypotension NOS, Hypotension, unspecified, Hypotension, Vascular, Vascular Hypotension, Low Blood Pressure, hypotension (diagnosis), hypotension, 3-04 HYPOTENSIVE DISEASES, hypotension (physical finding), Hypotension (disorder), Low blood pressure (finding), Hypotension NOS (disorder), hypotension was observed, Arterial blood pressure decreased, Blood pressure drop arterial, Arterial pressure NOS decreased, Pressure arterial decreased, Blood pressure decreased, Blood pressure dropped, Drop in blood pressure, Drop of blood pressure, Fall in blood pressure, Blood pressure low, Lowered blood pressure, BP fell, BP lowered, Low BP, Decreased blood pressure, DECREASED BLOOD PRESSURE, BLOOD PRESSURE, DECREASED, LOW BLOOD PRESSURE, PRESSURE, LOW BLOOD, BLOOD PRESSURE, LOW, Hypotension [Disease/Finding], blood drops pressure, blood pressure drop, Low;blood pressure, blood dropping pressure, arterial hypotension, blood falling pressure, blood lowers pressure, blood lowing pressure, blood pressure low, decreased blood pressure, hypotension arterial, blood falls pressure, blood lowered pressure, blood decreasing pressure, blood drop pressure, bp lower, dropped blood pressure, low bp, drop in blood pressure, hypopiesis, blood pressure lower, low blood pressures, lower blood pressure, Low blood pressure, Hypopiesis, Low blood pressure (disorder), Arterial hypotension, blood pressure; decreased, blood pressure; low, decreased; blood pressure, low; blood pressure, Vascular Hypotensive Disorder, Hypotension, Arterial hypotension NOS, low blood pressure
Portuguese HIPOTENSAO, Queda da tensão arterial, TA diminuída, TA baixa, Tensão arterial baixa, Hipotensão arterial, Hipotensão NE, Tensão arterial NE diminuída, Queda da TA, DIMINUICAO DA PRESSAO ARTERIAL, DIMINUICAO DA TENSAO ARTERIAL, PRESSAO ARTERIAL SANGUINEA DIM., Pressão Arterial Baixa, Pressão Sanguínea Baixa, Tensão arterial diminuída, Hipotensão
Spanish HIPOTENSION, Caída de la presión arterial, Hipotensión NEOM, Presión arterial NEOM disminuida, Presión arterial baja, PA baja, Presión sanguínea arterial disminuida, Caída de la PA, PA disminuida, Hipotensión arterial, Hipotensión no especificada, Hypotension, Low blood pressure, PRESION ARTERIAL DISMINUIDA, PRESION ARTERIAL, BAJADA, PRESION SANGRE ARTERIAL DISMINUID, Hypotension NOS, hipopiesis, hipotensión arterial (trastorno), hipotensión arterial, hipotensión, SAI (trastorno), hipotensión, SAI, hipotensión, presión arterial baja, tensión arterial baja, Presión arterial disminuida, Hipotension, Hipotensión, Presión Sanguínea Baja, Presion Sanguinea Baja
German HYPOTONIE, arterieller Blutdruck NNB erniedrigt, Fall des Blutdrucks, verringerter Blutdruck, Blutdruck abgefallen, Blutdruck gefallen, Hypotonie NNB, Abfall des Blutdrucks, Hypotonie, unspezifisch, Blutdruck niedrig, arterieller Blutdruck erniedrigt, niedriger Blutdruck, arterielle Hypotonie, Blutdruckabfall arteriell, Blutdruck verringert, Arterienblutdruck erniedrigt, BLUTDRUCK ERNIEDRIGT, BLUTDRUCKABFALL ARTERIELL, DRUCK ARTERIELL VERMINDERT, Hypotonie, nicht naeher bezeichnet, Blutdruck erniedrigt, Blutdruck, niedriger, Hypotension, Hypotonie
Italian Pressione arteriosa ridotta, Pressione arteriosa NAS diminuita, Riduzione della pressione arteriosa, Pressione arteriosa diminuita, Ipotensione arteriosa, Calo di pressione arteriosa, Abbassamento di pressione arteriosa, Pressione arteriosa bassa, Abbassamento di pressione, Ipotensione NAS, Pressione arteriosa abbassata, Ipotensione non specificata, Pressione bassa del sangue, Ipotensione
Dutch verlaagde bloeddruk, lage bloeddruk, arteriële bloeddruk verlaagd, bloeddrukval arterieel, val in bloeddruk, niet-gespecificeerde hypotensie, arteriële druk NAO verlaagd, bloeddruk laag, BD verlaagd, hypotensie NAO, druk arterieel verlaagd, bloeddrukval, val van bloeddruk, arteriële hypotensie, bloeddruk; daling, bloeddruk; laag, daling; bloeddruk, laag; bloeddruk, Hypotensie, niet gespecificeerd, bloeddruk verlaagd, hypotensie, Bloeddruk, lage, Hypotensie
French Pression artérielle basse, Pression artérielle SAI diminuée, PA abaissée, Chute de pression artérielle, PA basse, Hypotension artérielle SAI, Chute de la pression artérielle, Pression artérielle sanguine diminuée, Chute de PA, Baisse de la pression artérielle, Hypotension, non précisée, BAISSE DE LA TENSION ARTERIELLE, CHUTE DE TENSION ARTERIELLE, DIMINUTION TENSION ARTERIELLE, HYPOTENSION, Pression artérielle diminuée, Hypotension artérielle, Hypotension
Japanese 低血圧、詳細不明, 動脈圧低下, 動脈圧NOS低下, 血圧低下, 低血圧NOS, 動脈性低血圧, テイケツアツNOS, テイケツアツ, ドウミャクセイテイケツアツ, ケツアツテイカ, ドウミャクアツテイカ, テイケツアツショウサイフメイ, ドウミャクアツNOSテイカ, 低血圧, 低血圧症
Swedish Blodtrycksfall
Czech hypotenze, TK snížení, Hypotenze, blíže neurčená, Arteriální tlak snížený, Nízký krevní tlak, Nízký TK, Arteriální hypotenze, Hypotenze, Arteriální krevní tlak NOS snížený, TK snížený, Arteriální krevní tlak snížený, Pokles krevního tlaku, Krevní tlak snížený, Pokles arteriálního krevního tlaku, Krevní tlak pokleslý, Náhlý pokles krevního tlaku, Krevní tlak pokles, Hypotenze NOS, nízký krevní tlak
Finnish Hypotensio
Russian KROVIANOE DAVLENIE PONIZHENNOE, GIPOTENZIIA, ГИПОТЕНЗИЯ, КРОВЯНОЕ ДАВЛЕНИЕ ПОНИЖЕННОЕ
Korean 상세불명의 저혈압, 저혈압
Croatian HIPOTENZIJA
Polish Niedociśnienie
Hungarian Hypotensio k.m.n., Arteriás vérnyomásesés, Vérnyomás csökkent, Vérnyomás esés, Alacsony vérnyomás, Alacsony RR, Hypotensio, Vérnyomásesés, Vérnyomás lecsökkent, Hypotensio, nem meghatározott, Csökkent vérnyomás, Arteriális nyomás csökkent, Arteriális vérnyomás csökkent, Arteriális nyomás k.m.n. csökkent, Vérnyomás esése, Arteriás hypotensio
Sources
Derived from the NIH UMLS (Unified Medical Language System)


Shock (C0036974)

Definition (MSH) A pathological condition manifested by failure to perfuse or oxygenate vital organs.
Definition (MEDLINEPLUS)

Shock happens when your blood pressure is too low and not enough blood and oxygen can get to your organs and tissues. Causes of shock include internal or external bleeding, dehydration, burns, or severe vomiting and/or diarrhea. All of these involve the loss of large amounts of body fluids. Shock often accompanies injury.

Specific types of shock include

  • Hypovolemic shock, caused by internal or external bleeding
  • Septic shock, caused by infections in the bloodstream
  • Anaphylactic shock, caused by a severe allergic reaction
  • Cardiogenic shock, caused by the inability of the heart to pump blood effectively
  • Neurogenic shock, caused by extreme emotional upset due to personal tragedy or disaster

Symptoms of shock include cold and sweaty skin, weak but rapid pulse, irregular breathing, dry mouth, dilated pupils and reduced urine flow. Shock is life-threatening and it is important to get help right away. Treatment of shock depends on the cause.

National Institute of General Medical Sciences

Definition (CSP) a profound hemodynamic and metabolic disturbance characterized by the failure of the circulatory system to maintain adequate perfusion of vital organs; causes inadequate delivery of nutrients and insufficient removal of cellular waste products to and from the tissues.
Concepts Pathologic Function (T046)
MSH D012769
ICD9 785.50
ICD10 R57.9
SnomedCT 207026006, 158354004, 274729009, 27942005, 267302008
English Acute peripheral circulatory failure, Shock, CARDIOVASCULAR COLLAPSE, CIRCULATORY COLLAPSE, CIRCULATORY FAILURE, COLLAPSE CARDIOVASCULAR, COLLAPSE CIRCULATORY, COLLAPSE VASCULAR, FAILURE CIRCULATORY, SHOCK, SHOCK CIRCULATORY, VASCULAR COLLAPSE, Shock, NOS, SHOCK VASCULAR, Shock, unspecified, Circulatory Collapse, Collapse, Circulatory, FAILURE PERIPHERAL CIRCULATORY, Failure of peripheral circulation, Failure/peripheral circul., Periph.circulatory failure, [D]Failure of peripheral circulation (context-dependent category), [D]Failure of peripheral circulation, [D]Failure/peripheral circul., [D]Periph.circulatory failure, [D]Peripheral circulatory failure, COLLAPSE PERIPHERAL CIRCULATORY, COLLAPSE PERIPHERAL VASCULAR, SHOCK SYNDROME, circulatory shock, shock, shock (diagnosis), [D]Failure of peripheral circulation (situation), Cardiovascular collapse, Collapse cardiovascular, Collapse circulatory, Collapse circulatory peripheral, Collapse peripheral circulatory, Failure peripheral circulatory, Shock circulatory, Collapse peripheral vascular, Collapse vascular, Vascular collapse, Shock vascular, CIRCULATORY FAILURE ACUTE, Shock NOS, Circulatory failure, Failure circulatory, Shock, unspecified (disorder), Failure of peripheral circulation NOS, Shock [Disease/Finding], Failure, Circulatory, Circulatory Failure, shock disorder, shocks, vascular collapse, shock syndrome, circulatory collapse, disorders shock, physiological shock, shocked, vascular shock, acute circulatory failure, circulatory failure, shocking, collapse, shock, physiological, cardiovascular collapse, Circulatory collapse, Shock - physiological, Acute circulatory failure, Peripheral circulatory failure, Peripheral vascular failure, Peripheral vascular shutdown, Shock (disorder), cardiovascular; collapse, circulatory; collapse, collapse; cardiovascular, collapse; circulatory, collapse; vascular, shock; syndrome, syndrome; shock, vascular; collapse
French CHOC, Collapsus de la circulation périphérique, Défaillance de la circulation périphérique, Choc circulatoire, Choc, non précisé, Collapsus vasculaire périphérique, Choc d'origine vasculaire, CHOC CIRCULATOIRE, COLLAPSUS CARDIO-VASCULAIRE, COLLAPSUS CIRCULATOIRE, DEFAILLANCE CIRCULATOIRE, Défaillance circulatoire, Insuffisance circulatoire aiguë, Collapsus circulatoire, Défaillance circulatoire périphérique, Choc, État de choc, Collapsus cardio-vasculaire, Collapsus cardiovasculaire, Collapsus vasculaire, Collapsus
Portuguese CHOQUE, Choque circulatório, Colapso cardiovascular, Colapso circulatório, Colapso circulatório periférico, Colapso vascular periférico, Choque vascular, Choque NE, CHOQUE CIRCULATORIO, COLAPSO CARDIOVASCULAR, COLAPSO CIRCULATORIO, INSUFICIENCIA CIRCULATORIA, Choque Circulatorio, Choque Hemodinâmico, Insuficiência circulatória, Insuficiência circulatória aguda, Insuficiência Circulatória, Colapso vascular, Insuficiência circulatória periférica, Choque, Colapso Circulatório, Colapso da Circulação Periférica
German SCHOCK, kardiovaskulaerer Kollaps, Schock Kreislauf, Schock vaskulaer, Schock, unspezifisch, Kollaps, Kreislauf, Versagen des peripheren Kreislaufs, Kollaps, kardiovaskulaer, Versagen der peripheren Gefaesse, vaskulaerer Kollaps, Kollaps vaskulaer, KOLLAPS KARDIOVASKULAER, KREISLAUFKOLLAPS, KREISLAUFSCHOCK, KREISLAUFVERSAGEN, Schock, nicht naeher bezeichnet, Kreislaufversagen, akutes Kreislaufversagen, Versagen des Kreislaufs, peripheres Kreislaufversagen, Kreislaufkollaps, Schock
Spanish SHOCK, Colapso circulatorio periférico, Colapso vascular, Shock no especificado, Colapso cardiovascular, Shock vascular, Colapso vascular periférico, Insuficiencia de la circulación periférica, Shock circulatorio, [D]insuficiencia circulatoria periférica (categoría dependiente del contexto), Shock, [D]Failure of peripheral circulation, COLAPSO CARDIOVASCULAR, COLAPSO CIRCULATORIO, INSUFICIENCIA CIRCULATORIA, SHOCK CIRCULATORIO, Choque Circulatorio, Choque Hemodinámico, Choque Hemodinamico, [D]insuficiencia circulatoria periférica, [D]insuficiencia circulatoria periférica (situación), Fallo circulatorio, Fallo circulatorio agudo, Insuficiencia Circulatoria, Shock Hemodinamico, Shock Hipovolémico, Shock Hemodinámico, Choque, Shock Hipovolemico, choque (trastorno), choque, no especificado (trastorno), choque, no especificado, choque, insuficiencia circulatoria aguda, insuficiencia circulatoria periférica, insuficiencia vascular aguda, insuficiencia vascular periférica, shock, no especificado, shock, Colapso circulatorio, Insuficiencia circulatoria periférica, Colapso Circulatorio
Italian Insufficienza circolatoria periferica, Shock non specificato, Collasso vascolare periferico, Collasso vascolare, Collasso cardiovascolare, Collasso circolatorio periferico, Shock vascolare, Shock circolatorio, Collasso circolatorio, Insufficienza circolatoria acuta, Insufficienza circolatoria, Shock
Dutch collaps perifere circulatie, perifere circulatoire collaps, vasculaire collaps, collaps cardiovasculair, perifere vaatcollaps, cardiovasculaire collaps, vasculaire shock, collaps circulatoir, falen perifere circulatie, circulatoire shock, niet-gespecificeerde shock, collaps vasculair, circulatoir falen, acuut circulatoir falen, falen circulatoir, cardiovasculair; collaps, circulatoir; collaps, collaps; cardiovasculair, collaps; circulatoir, collaps; vasculair, shock; syndroom, syndroom; shock, vasculair; collaps, Shock, niet gespecificeerd, circulatoire collaps, perifeer circulatoir falen, shock, Cardiovasculaire shock, Circulatiestoring, Shock
Japanese 循環性ショック, 血管性ショック, 循環虚脱, 心血管虚脱, 末梢性循環虚脱, 末梢循環性虚脱, 血管虚脱, ショック、詳細不明, 末梢循環不全, 末梢血管虚脱, マッショウケッカンキョダツ, ケッカンセイショック, ケッカンキョダツ, マッショウジュンカンセイキョダツ, マッショウジュンカンフゼン, ジュンカンセイショック, マッショウセイジュンカンキョダツ, ショック, シンケッカンキョダツ, ショックショウサイフメイ, ジュンカンキョダツ, ショック症状, 急性循環不全, 循環不全, キュウセイジュンカンフゼン, ジュンカンフゼン, ショック, 急性循環不全状態
Swedish Chock
Czech šok, Kolaps oběhový, Periferní oběhový kolaps, Šok cévní, Periferní cévní kolaps, Selhání periferní cirkulace, Cévní kolaps, Kolaps kardiovaskulární, Periferní oběhové selhání, Šok, Šok, blíže neurčený, Oběhový šok, Kardiovaskulární kolaps, Oběhový kolaps, Oběhové selhání, Akutní oběhové selhání, Selhání cirkulace
Finnish Sokki
Russian SHOK, GIPOVOLEMICHESKII SHOK, ГИПОВОЛЕМИЧЕСКИЙ ШОК, ШОК
Korean 상세불명의 쇼크
Croatian ŠOK
Polish Wstrząs, Wstrząs oligowolemiczny, Ostra niewydolność krążenia
Hungarian A keringés összeomlása, Peripheriás keringési összeomlás, Keringésösszeomlás, A peripheriás keringés összeomlása, Keringési shock, Peripheriás keringési elégtelenség, Shock, Elégtelenség, peripheriás keringés, Peripheriás vascularis collapsus, Szív-érrendszer eredetű collapsus, Keringési elégtelenség, Cardiovascularis collapsus, Vascularis collapsus, Vascularis shock, Shock, nem meghatározott, Heveny keringési elégtelenség
Sources
Derived from the NIH UMLS (Unified Medical Language System)


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