Influenza
There can also be tachycardia and dyspnea but with hypotension. Vomiting and diarrhea may also occur, but are rare findings associated with the disorder.[symptoma.com]
Upon examination, patients may have some or all of the following findings: Fever of 100-104 F; fever is generally lower in elderly patients than in young adults Tachycardia[emedicine.medscape.com]
[…] following signs and symptoms: Fever Sore throat Myalgias Frontal or retro-orbital headache Nasal discharge Weakness and severe fatigue Cough and other respiratory symptoms Tachycardia[emedicine.medscape.com]
Acute Bronchitis
Pneumonia should be suspected in patients with tachypnea, tachycardia, dyspnea, or lung findings suggestive of pneumonia, and radiography is warranted.[ncbi.nlm.nih.gov]
Studies Making the diagnosis based on history and physical exam imaging is not necessary Differential Pneumonia differentiating factor a cough with fever, tachypnea, or tachycardia[medbullets.com]
[…] phase or other obstructive signs may be present but not essential Making the diagnosis no clear diagnostic criteria have been established cough in the absence of fever, tachycardia[clinicaladvisor.com]
Pneumonia
A 23-month-old girl visited the emergency department with high fever, cough, first wheezing episode, chest retraction and tachycardia.[ncbi.nlm.nih.gov]
One week after admission, she developed fever, dyspnea, hypoxemia, tachycardia, and increased serum C-reactive protein level.[ncbi.nlm.nih.gov]
Physical examination revealed tachycardia, tachypnea, hypoxia and decreased breath sounds with fine crackles bilaterally.[dx.doi.org]
Appendicitis
Fever is usually low-grade with mild tachycardia. Less then 50% of children will have a classic presentation of appendicitis, despite having appendicitis.[sages.org]
Other indications of peritonitis include increasing abdominal distension, acute abdomen, tachycardia, rapid and shallow breathing, and restlessness.[medical-dictionary.thefreedictionary.com]
Upper Respiratory Infection
Respiratory compromise manifests as tachypnea, tachycardia, and the use of accessory muscles of respiration.[emedicine.medscape.com]
[…] palpation over the larynx Cervical adenopathy Respiratory distress Fever Tripod or sniffing posture Respiratory distress in patients with epiglottitis may manifest as tachypnea, tachycardia[emedicine.medscape.com]
Acute Gastroenteritis
Tachycardia: 61% (122) children had tachycardia. 51% (73/143) cases with Isonatremia had tachycardia, whereas 93% (41/44) cases with Hyponatremia had tachycardia.[omicsonline.org]
[…] sleepiness, sunken fontanels, and fussiness in infants; irritability/confusion in adults; and dry mucous membranes, little urine to anuria, sunken eyes, tenting, hypotension, tachycardia[contemporaryclinic.pharmacytimes.com]
Severe dehydration: profound apathy, weakness, confusion (leading to coma), shock, tachycardia, marked peripheral vasoconstriction, systolic blood pressure Investigations[patient.info]
Insect Bite
[…] led to mast cell sensitization, an insect bite may trigger a type I hypersensitivity reaction manifesting in severe urticaria, pruritus, vomiting, respiratory symptoms, tachycardia[symptoma.com]
Viral Lower Respiratory Infection
More general features of infection are: fever, rigors, malaise, tachycardia usually secondary to hypovolaemia, confusion (in elderly), and occasionally anorexia.[medrevise.co.uk]
Urinary Tract Infection
Symptoms include of this dangerous complication include: An abnormally rapid heart rate ( tachycardia ) High fever or hypothermia (body temperatures below 95 degrees) Difficulty[verywell.com]
In elderly women, 50% of cases of cystitis also involve the upper tracts. [14] The clinician may appreciate signs of dehydration, such as dry mucous membranes and tachycardia[emedicine.medscape.com]
Examination findings may include the following: Fever Tachycardia Flank pain/costovertebral angle tenderness Abdominal tenderness in the suprapubic area Scrotal hematoma,[emedicine.medscape.com]
Drug-induced Fever
It presents with high fever, tachycardia, sweating, and labile blood pressure.[symptoma.com]
The patient may develop a sudden and sustained increase in body temperature with tachycardia and muscle rigidity in the operating room.[symptoma.com]
Jarisch-Herxheimer reaction with sudden onset of fever, myalgia, and tachycardia 6-8 hours after giving antibacterial treatment for infections like syphilis.[symptoma.com]