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RAB: Private Doctor on Call

Circulatory collapse

Circulatory collapse is an acute medical condition that RAB Arztbesuche treats with a licensed physician on a home visit anywhere in Hamburg, daily from 6 am to midnight, usually within 60 to 90 minutes.

A circulatory collapse usually announces itself with dizziness, blacking out, cold sweat and impending fainting. Our physicians come to your home or hotel anywhere in Hamburg daily from 6 am to midnight, measure blood pressure lying and standing, check pulse, oxygen and blood glucose, and clarify the cause. Typical arrival time in Hamburg: 60 to 90 minutes. For persistent unconsciousness or chest pain, 112 comes first.

Susanne Reiche

Medically reviewed by Susanne Reiche

Consultant in internal medicine, geriatrics and palliative care, private physician

Last updated:

Circulatory collapse in Hamburg, the doctor's assessment after a collapse

A circulatory collapse is a sudden circulatory weakness caused by brief reduced blood flow to the brain, often with impending or brief loss of consciousness. Common triggers are dehydration, prolonged standing, heat, pain or fright. On the first warm days we see a cluster of such cases in Hamburg, for example after longer stays at the Elbstrand beach, the Außenalster lake or the Stadtpark.

The house call has clear value once the person is awake and responsive again but the cause remains unclear. We measure blood pressure lying and standing on the Schellong principle, assess pulse, oxygen saturation, blood glucose and hydration, and put the symptoms in context. This tells a harmless orthostatic reaction apart from a case that needs a cardiology work-up by ECG. For any suspicion of a cardiac cause or persistent unconsciousness, however, the emergency number 112 comes first.

What our doctor does after a circulatory collapse

The visit begins with a structured history: how the collapse happened, comorbidities, medication (especially blood-pressure drugs and diuretics), fluid intake and possible triggers. The examination follows, with blood pressure lying and standing, pulse and rhythm, oxygen saturation, blood glucose and an orienting cardiopulmonary exam. On this basis we decide together whether adjusting fluids and medication is enough, whether a cardiology work-up with Holter ECG and echocardiography makes sense, or whether inpatient assessment, for example at the UKE or an Asklepios clinic, is required.

Harmless syncope or a serious cause, the key differences

Most collapses are harmless orthostatic or vasovagal syncopes, triggered by standing up quickly, prolonged standing, heat or fright; consciousness returns within seconds to a few minutes once lying down. A serious cause is suggested by a collapse without warning, while sitting or lying, during exertion, with chest pain, palpitations or shortness of breath, or by new neurological deficits. Such warning signs point to a cardiac arrhythmia, aortic valve stenosis, a pulmonary embolism or internal bleeding, and belong in the emergency room via 112, not in a scheduled house call.

How the house call works

You call our Hamburg number or send a brief callback request via WhatsApp. We clarify the essentials within minutes: what happened, current symptoms, address, comorbidities and insurance. If the person is awake and stable, we dispatch the next available physician; we are usually on site anywhere in Hamburg within 60 to 90 minutes, from Eppendorf and Ottensen to Harburg. For acute unconsciousness or chest pain we point you straight to 112.

During the visit we take time for history, examination and a calm assessment. Where needed we adjust fluids and medication, issue a prescription and give a clear safety-net briefing: when to call us again, when a cardiology practice is the next step, and when to dial 112 without hesitation. For further work-up we name a suitable address, for example a cardiology practice or the emergency department of the Marienkrankenhaus.

Billing and insurance

Our service is aimed at privately insured patients and self-payers. We bill according to the German private medical fee schedule (GOÄ), typically in the range of 150 to 300 euros depending on effort. The invoice itemises every service, from the house call and examination to the consultation. German private health insurance and civil-servant Beihilfe schemes usually reimburse these positions in full.

For international guests we issue the invoice in English on request. Most travel health insurers accept the GOÄ-compliant invoice; in individual cases our back office supports you with additional medical explanations. We remain reachable by phone for billing questions after the visit.

Emergency? Dial the emergency number

If unconscious, with severe chest pain, breathlessness or heavy bleeding, dial 112 immediately. Our service complements the emergency services. It does not replace them.

Need a doctor today?

A private physician comes to your home or hotel within 60–90 minutes, daily 6 am to midnight, anywhere in Hamburg.

Case profiles

Typical scenarios

Collapse in a hotel after a long travel day

A guest in a hotel by the Alster or in HafenCity briefly faints after a long flight and too little fluid, then comes round. We come to the room, measure blood pressure lying and standing, and clarify whether dehydration or a more serious cause is behind it.

Older person after repeated dizziness

In Eppendorf, Winterhude or Blankenese an older person reports repeated dizziness and a brief collapse on standing up. We review the medication, especially blood-pressure drugs and diuretics, and recommend a cardiology work-up with Holter ECG where needed.

Circulatory weakness on hot days

After hours at the Elbstrand beach or the St. Pauli fish market, someone briefly passes out in the heat with too little fluid. We assess circulation and hydration on site and advise on fluids, electrolytes and safe behaviour in the sun.

Unclear collapse with a pre-existing condition

A patient with known heart disease in Barmbek or Rotherbaum has an unclear collapse. We examine the heart and lungs, judge the urgency, and decide together whether outpatient work-up is enough or the emergency room, for example at the UKE, is the right way.

Frequently asked questions

Is a circulatory collapse dangerous?

Usually not. The most common form is a harmless orthostatic or vasovagal syncope, where consciousness returns within seconds to a few minutes once lying down. It becomes dangerous with chest pain, shortness of breath, palpitations, neurological deficits or a collapse without warning, then dial 112 at once. If the cause stays unclear, we assess it on the house call.

When should I call 112 rather than you?

Call 112 immediately for unconsciousness lasting more than a few minutes, chest pain or pressure, sudden shortness of breath, speech, vision or one-sided weakness, or any suspicion of a cardiac cause. Our house call is for the situation afterwards: when the person is awake and stable again and the cause needs a medical assessment.

What can I do as a first responder?

Lay the person flat and raise the legs slightly to help blood return to the heart. Provide fresh air, loosen tight clothing and speak calmly. Give water only in small sips once the person is fully awake. Watch the breathing; if it stops or the person stays unconscious, call 112 at once and start chest compressions.

How quickly do you arrive?

In Hamburg we plan for a typical arrival time of 60 to 90 minutes from confirmation, from Eppendorf to Harburg. Evenings and weekends are often quicker. A circulatory collapse with persistent unconsciousness or chest pain, however, is an emergency for 112, not for a scheduled house call.

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