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Disorders affecting blood volume, vascular tone, or vascular function can disrupt vascular homeostasis, including conditions like hypertension, hemorrhage, and shock.
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Cardiac emergencies are critical situations involving the heart that require immediate medical intervention to prevent severe complications or death. These emergencies often arise from underlying heart conditions that impair the heart's ability to function correctly.Types of Cardiac EmergenciesThe most common types of cardiac emergencies include Acute Coronary Syndrome (ACS), myocardial infarction (MI), cardiac arrest, and heart failure.Acute Coronary Syndrome (ACS)Acute Coronary Syndrome (ACS)...
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Dilated cardiomyopathy, or DCM, is a progressive myocardial disorder characterized by ventricular chamber dilation and contractile dysfunction.EtiologyVarious factors can cause DCM, including hypertension and heavy alcohol intake, which contribute to the weakening and enlargement of the heart muscle. Viral infections, such as Coxsackievirus B, adenoviruses, and influenza, can lead to DCM by causing inflammation and damage to heart tissue. Certain chemotherapeutic agents, including daunorubicin,...
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Pharmacologic intervention is crucial in treating cardiac arrest patients during ACLS or Advanced Cardiovascular Life Support. The ACLS algorithms guide the administration of specific drugs based on the patient's cardiac arrest rhythm, which includes pulseless ventricular tachycardia (VT), ventricular fibrillation (VF), asystole, and pulseless electrical activity (PEA).EpinephrineIndication: Epinephrine is the first-line drug for all cardiac arrest rhythms.Mechanism of Action: Epinephrine...
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The heart's primary function is to pump blood throughout the body, maintaining a balance between blood sent out (cardiac output) and blood returning (venous return). If this balance is disrupted, it can result in congestive heart failure (CHF), a severe condition where the heart becomes an inefficient pump, leading to inadequate blood circulation.
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Use of a Percutaneous Ventricular Assist Device/Left Atrium to Femoral Artery Bypass System for Cardiogenic Shock
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[Cardiogenic shock].

Robert Zilberszac1, Gottfried Heinz2

  • 1Abteilung für Kardiologie, Intensivstation 13H3, Univ. Klinik für Innere Medizin II, Medizinische Universität Wien, Wien, Österreich. robert.zilberszac@meduniwien.ac.at.

Wiener Klinische Wochenschrift
|February 26, 2020
PubMed
Summary
This summary is machine-generated.

Cardiogenic shock (CS) is a critical condition of end-organ hypoperfusion due to heart pump failure. Early diagnosis and management, including reperfusion and mechanical support, are vital for improving outcomes in this high-mortality condition.

Keywords:
Cardiogenic shockCritical careECMOEmergency medicineMyocardial infarction

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Area of Science:

  • Cardiology
  • Critical Care Medicine

Background:

  • Cardiogenic shock (CS) results from primary myocardial dysfunction leading to end-organ hypoperfusion.
  • Key diagnostic criteria include hypotension, renal failure, ischemic hepatitis, and specific hemodynamic profiles.
  • A non-hypotensive variant of CS exists, presenting with typical signs despite compensated blood pressure.

Purpose of the Study:

  • To review the definition, causes, diagnosis, and management of cardiogenic shock.
  • To highlight the importance of early diagnosis and appropriate interventions in improving patient survival.

Main Methods:

  • Review of current literature and clinical guidelines on cardiogenic shock.
  • Discussion of diagnostic modalities including physical examination, ECG, echocardiography, and coronary angiography.
  • Overview of therapeutic strategies, including medical stabilization and mechanical circulatory support.

Main Results:

  • Acute myocardial infarction is the most common cause of CS, with mortality rates reduced by primary percutaneous coronary intervention (PCI).
  • Mechanical complications of myocardial infarction, valvular heart disease, myocarditis, and cardiomyopathy are other significant causes.
  • Echocardiography is crucial for identifying mechanical complications, guiding management before coronary angiography.

Conclusions:

  • Prompt diagnosis and management of cardiogenic shock are essential for improving survival rates.
  • A "culprit-lesion only strategy" during PCI is recommended for CS.
  • While first-line medical therapy and extracorporeal support devices show promise, ongoing trials are evaluating their survival benefits.