CalcPT

Dysphagia · Bedside screen

Yale Swallow Protocol calculator

Three-step bedside screen: a brief cognitive screen, an oral mechanism exam, and a 3-ounce (90 ml) water swallow. All three must pass for the patient to trial oral intake; any failure refers to SLP.

  1. 1. Brief cognitive screen

    Is the patient alert, oriented to person/place/time, and able to follow simple one-step commands? Pass if yes; fail if the patient can't reliably attend or follow a simple command.

    1. Brief cognitive screen result

  2. 2. Oral mechanism exam

    Check lingual range of motion, labial closure, and intact structures. Pass if all are functional; fail if any finding would prevent safe oral intake (e.g., no lingual movement, incomplete labial closure).

    Earlier step must pass before this step applies.

  3. 3. 3-ounce (90 ml) water swallow

    Ask the patient to drink 3 ounces (90 ml) of water without stopping. Pass if the patient drinks the full amount in a continuous sequence with no cough, no wet-sounding vocal quality, and no throat clearing. Fail on any of those signs.

    Earlier step must pass before this step applies.

Yale Swallow Protocol

In progress

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Complete each step in sequence. A failure at any step terminates the protocol.

About the Yale Swallow Protocol

The Yale Swallow Protocol was developed by Debra Suiter and Steven Leder and published in Dysphagia in 2008. It was designed to solve a practical problem: in acute-care and inpatient environments, patients often arrive with uncertain dysphagia risk, and waiting for a formal instrumental swallow evaluation before any oral intake is costly and sometimes clinically counterproductive. The protocol bundles three sequential bedside observations into a short screen that can be administered by trained nursing staff and used to decide whether a patient can be safely advanced to oral intake pending further clinical judgment.

The three components

First is a brief cognitive screen — is the patient alert, oriented enough to participate, and able to follow simple one-step commands? A patient who cannot participate in the task cannot safely complete it, and the screen stops here. Second is an oral mechanism exam — lingual range of motion, labial closure, and general functional integrity of the oral structures. Substantial impairment in any of these is a fail. Third is the 3-ounce water swallow test: the patient drinks 90 ml of water continuously, without stopping. Failure is defined by inability to complete the volume, stopping mid-drink, coughing during or after, or a wet, gurgly vocal quality immediately after.

Interpretation

All three pass: the patient has a low predicted probability of aspirating thin liquids and can reasonably be advanced to an oral diet pending the broader clinical picture. Any component fails: hold oral intake, refer to SLP for further evaluation, and let the specific failure guide what to focus on next (for example, a failed cognitive screen may reflect delirium rather than swallowing physiology).

Clinical context

The protocol’s strength is its simplicity and its published sensitivity for aspiration on thin liquids in acute-care populations. It is a screen — a tool for deciding the next step, not a substitute for instrumental assessment when one is indicated. Patients with complex medical histories, unusual clinical presentations, or recurrent aspiration events should receive a formal evaluation regardless of the screen outcome.

Limitations

Because the water swallow is on thin liquid only, the protocol does not address safety with other consistencies. It also does not catch silent aspiration that happens in the absence of cough or voice change at the time of the screen. The cognitive and oral mechanism components are deliberately coarse; clinicians should still apply judgment about unusual presentations that don’t fall neatly into pass or fail.

Primary source: Suiter DM, Leder SB. Clinical utility of the 3-ounce water swallow test. Dysphagia. 2008;23(3):244-250.

Frequently asked questions

What is the Yale Swallow Protocol?
The Yale Swallow Protocol is a three-step bedside screen developed by Suiter and Leder. It combines a brief cognitive screen, an oral mechanism exam, and a 3-ounce (90 ml) uninterrupted water swallow. It is designed to identify patients who can safely attempt oral intake without first waiting for a formal instrumental evaluation.
Who can administer the Yale Swallow Protocol?
Trained nursing and medical staff can administer the screen, though local policy varies. The SLP is typically involved in training and in following up on any patient who fails the screen.
What does a pass mean?
Passing all three components suggests that the patient has a low likelihood of aspiration on thin liquids and can reasonably attempt an oral diet pending nursing and provider judgment. It is a screen, not a diagnosis — if the clinical picture is unusual, further evaluation is still appropriate.
What does a fail mean?
Any failure — on the cognitive screen, the oral mechanism exam, or the water swallow — is an indication to hold oral intake and refer to an SLP for further evaluation. The specific failure guides what to focus on next.
Is the 3-ounce water test the same as DePippo 1992?
The 3-ounce water swallow test originates with DePippo, Holas, and Reding in 1992. The Yale protocol bundles that test with a cognitive and oral mechanism screen to improve its specificity and make it a more complete bedside decision tool.

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