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Shock

Juga dikenali sebagai: Circulatory shock, Cardiovascular collapse, Compensated shock, Decompensated shock

CatDogKecemasan: EmergencySeberapa biasa: Common

Ringkasnya

Shock is a life-threatening medical emergency in dogs and cats where tissues are starved of oxygen due to a sudden drop in blood flow. Recognizing early signs like pale gums, cold paws, and rapid breathing is critical for securing immediate, life-saving veterinary care.

A sick domestic cat resting on an emergency veterinary table with an intravenous catheter in its front leg
Rapid intravenous fluid therapy is a cornerstone of treating many forms of shock.

TL;DR. Kejutan ialah kecemasan mengancam nyawa apabila tisu kekurangan oksigen kerana aliran darah kritikal; rawatan veterinar segera diperlukan.

Terapi cecair IV pantas penting dalam banyak bentuk kejutan.

Apakah itu?

Hipoperfusi sistemik dengan penghantaran oksigen (DO2) tidak mencukupi. Hipovolemik: kehilangan isipadu. Distributif: vasodilatasi (sepsis, anafilaksis). Kardiogenik: kegagalan pam. Organ kejutan sering usus pada anjing, paru-paru pada kucing.

A diagram showing the canine cardiovascular system and blood flow distribution during circulatory shock
Darah diutamakan ke otak dan jantung semasa kejutan peredaran.

Punca dan faktor risiko

Trauma dan pendarahan, dehidrasi teruk, sepsis, penyakit jantung, anafilaksis, anemia ekstrem atau kegagalan paru-paru. Tiada kecenderungan baka; mana-mana haiwan dengan pencetus teruk.

Tanda

Gusi pucat atau kusam, CRT >2 s, mental redup, takikardia (anjing) atau bradikardia/hipotermia (kucing), anggota sejuk, nadi lemah, takipnea, hipotensi. Anjing boleh cirit berdarah; kejutan septik awal boleh tunjuk gusi merah terang.

A close-up of a canine mouth showing pale, white mucous membranes along the gumline
Gusi pucat menandakan peredaran buruk.

Diagnosis

Triage ABC dengan laktat, PCV/TS, tekanan darah, gas darah, ECG, echo di katil sebelum cecair agresif jika risiko kardiogenik, troponin jika disyaki kerosakan jantung.

A veterinary ultrasound monitor displaying an echocardiogram of a dog's heart
Ekokardiografi membantu menolak kejutan kardiogenik.

Rawatan

Pulihkan DO2 dengan cepat. Cecair IV pada hipovolemik/distributif; berhati-hati ekstrem pada kardiogenik. Dobutamin dan vasopresin mengikut indikasi. Glukokortikoid tanpa manfaat jelas selepas mula dan berisiko ulser GI.

Prognosis

Tanpa rawatan: buruk. Resusitasi awal membantu banyak hipovolemik; septik dan kardiogenik kekal berhati-hati hingga buruk.

Pencegahan

Cegah trauma, rawat kehilangan GI awal, urus penyakit jantung, elak toksin dan alergen teruk.

Bila hubungi veterinar

Kecemasan kelas satu. Runtuh, gusi pucat, anggota sejuk, sesak nafas, tidak responsif, pendarahan besar: angkut segera.

Sumber

  • Small Animal Critical Care Medicine, 2nd Edition. pp. 21, 45, 46, 47.
  • Current Techniques in Small Animal Surgery, 5th Edition. p. 287.

My highlights & notes

Tanda & simptom

Cara didiagnosis

  • Blood gas analysis
  • Blood lactate measurement
  • Echocardiography
  • Electrocardiography (ECG)
  • Noninvasive blood pressure measurement
  • Packed cell volume and total solids
  • Pulmonary artery catheterization (PAC)
  • Serum cardiac troponin I and T

Pendekatan rawatan

Rawatan mesti dipreskripsikan doktor haiwan berlesen. Dos khusus sengaja tidak dipaparkan.

Soalan lazim

What is Shock?

Shock is a life-threatening medical emergency in dogs and cats where tissues are starved of oxygen due to a sudden drop in blood flow. Recognizing early signs like pale gums, cold paws, and rapid breathing is critical for securing immediate, life-saving veterinary care.

What are the symptoms of Shock?

Cool extremities、Depressed mentation、Generalized weakness、Pale mucous membranes、Prolonged capillary refill time、Respiratory dysfunction、Fast heart rate、Fast breathing

How is Shock diagnosed?

Blood gas analysis、Blood lactate measurement、Echocardiography、Electrocardiography (ECG)、Noninvasive blood pressure measurement、Packed cell volume and total solids

How is Shock treated?

Rawatan mesti dipreskripsikan doktor haiwan berlesen. Dos khusus sengaja tidak dipaparkan.

Sumber

  1. Small Animal Critical Care Medicine, 2nd Edition (VetBooks.ir) · p. 46
  2. Small Animal Critical Care Medicine, 2nd Edition (VetBooks.ir) · p. 45
  3. Small Animal Critical Care Medicine, 2nd Edition (VetBooks.ir) · p. 47
  4. Current Techniques in Small Animal Surgery, 5th Edition (VetBooks.ir) · p. 287
  5. Small Animal Critical Care Medicine, 2nd Edition (VetBooks.ir) · p. 21

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