| Romana's sign | <clinical sign> Marked oedema of one or both eyelids, usually a unilateral palpebral oedema, thought to be a sensitization response to the bite of a triatomine bug infected with Trypanosoma cruzi, and a strong suggestion of acute Chagas' disease. (05 Mar 2000) |
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| Romberg's sign | <clinical sign> With feet approximated, the patient stands with eyes open and then closed; if closing the eyes increases the unsteadiness, a loss of proprioceptive control is indicated, and the sign is positive. Synonym: Romberg test, Romberg's symptom, rombergism, station test. (05 Mar 2000) |
| Rosenbach's sign | <clinical sign> Loss of the abdominal reflex in cases of acute inflammation of the viscera. (05 Mar 2000) |
| Rossolimo's sign | Flicking the tops of the toes from the plantar surface causes flexion of the toes; a stretch reflex of the flexors of the toes seen in lesions of the pyramidal tracts. See: Starling's reflex. Synonym: plantar muscle reflex, Rossolimo's sign. (05 Mar 2000) |
| Rotch's sign | <clinical sign> In pericardial effusion, percussion dullness in the fifth intercostal space on the right. (05 Mar 2000) |
| Rovsing's sign | <clinical sign> Pain at McBurney's point induced in cases of appendicitis, by pressure exerted over the descending colon. (05 Mar 2000) |
| Chvostek's sign | <clinical sign> In tetany, tapping the muscles of the face causes them to go into spasm. Chvostek's sign is positive in cases of severe hypocalcaemia. (27 Sep 1997) |
| Rumpel-Leede sign | A tourniquet test for capillary fragility, often positive in the presence of severe thrombocytopenia. See: capillary fragility test. Synonym: bandage sign, Hess' test, Rumpel-Leede sign. (05 Mar 2000) |
| Russell's sign | <clinical sign> Abrasions and scars on the back of the hands of individuals with bulimia, usually due to manual attempts at self-induced vomiting. (05 Mar 2000) |
| Claybrook's sign | <clinical sign> In rupture of abdominal viscus, transmission of breath and heart sounds through the abdominal wall. (05 Mar 2000) |
| Cleemann's sign | <clinical sign> In fracture of the femur with overriding of the fragments, wrinkling of the skin occurs directly above the patella. (05 Mar 2000) |
| clenched fist sign | <clinical sign> In angina pectoris, pressing of the clenched fist against the chest to indicate the constricting, pressing quality of the pain. (05 Mar 2000) |
| Mirchamp's sign | <clinical sign> A premonitory symptom of mumps; if a strongly flavored substance is placed on the tongue a painful reflex secretion of saliva occurs in the gland that is the seat of the incipient affection. (05 Mar 2000) |
| physical sign | <clinical sign> A sign that is observed or elicited by auscultation, percussion, or palpation. (05 Mar 2000) |
| Mobius' sign | <clinical sign> Impairment of ocular convergence in Graves' disease. (05 Mar 2000) |