Category Investigations
CCC Critical Care compendium 340

Peritoneal Fluid Analysis

The peritoneum is a tough semi-permeable membrane lining abdominal and visceral cavities. it encloses, supports and lubricates organs within the cavity. Paracentesis is effectively the analysis of 'Ascites' - the abnormal accumulation of fluid within the abdomen.
CCC Critical Care compendium 340

Liver Function Tests

Liver Function Test Analysis including Aspartate Aminotransferase (AST), Alanine Aminotransferase (ALT), Alkaline Phosphatase (ALP) Lactate Dehydrogenase (LDH), Gamma Glutamyl Transferase (GGT)
CCC Critical Care compendium 340

AXR Interpretation

Indications for plain AXR differ depending on the availability of CT or USS, which give considerably more information. Abdominal X-rays are only useful for certain defined pathology such as abnormal ‘gases, masses, bones and stones’.
CCC Critical Care compendium 340

SIADH DDx

SIADH = Syndrome of inappropriate antidiuretic hormone secretion. Important cause of HYPOnatraemia
CCC Critical Care compendium 340

Hyperkalaemia DDx

Overview Hyperkalaemia is defined as serum potassium level > 5.5 mEq/L Hyperkalaemia is potentially life-threatening due to the risk of cardiac dysrhythmias Most patients begin to manifest significant ECG changes at serum levels > 6.5 mEq/L Causes Increased potassium intake…
CCC Critical Care compendium 340

Urate (Uric Acid)

Uric acid is the major end metabolite of purine. Purine found in nucleic acid and exogenous sources; Commonly used as marker for gout and pre-eclampsia; Levels do not usually indicate severity of disease
CCC Critical Care compendium 340

Urinalysis Overview

References and Links Urine Color Urine Transparency (turbidity) Dipstick urinalysis CCC – Urinalysis Laboratory Urinalysis Urinalysis Overview Table Urine electrolytes – Urinary anion gap
CCC Critical Care compendium 340

Urine Odour

Consumption of certain foods and medications may be causes for changes in the odour of urine as well as pathological conditions
CCC Critical Care compendium 340

Urine Colour

Normally, urine is some shade of yellow with acid urine usually a darker colour than alkaline urine. Pathologically, it may be any colour.
CCC Critical Care compendium 340

Dipstick urinalysis

Urinalysis (UA) is used as a screening and/or diagnostic tool to detect substances or cellular material in the urine associated with metabolic disorders, renal dysfunction or urinary tract infections (UTI)